The following statements show how testosterone plays a role in aggression: After handling a gun, men's testosterone levels rise. Those with high testosterone levels are more prone to hard drugs, delinquency, and aggression.
Both of these statements suggest a relationship between testosterone levels and aggression. It's important to note that testosterone is just one factor that can influence aggression, and the relationship is complex, influenced by various individual, social, and environmental factors.
The statement "After the age of 25, testosterone levels and rates of violent crime decrease together" does not directly indicate the role of testosterone in aggression. It highlights a correlation between testosterone levels and rates of violent crime, but it does not provide a causal relationship or specify the role of testosterone in aggression.
The statement "In women, testosterone increases the facial hair and width" relates to the effects of testosterone in women, but it does not directly address the role of testosterone in aggression.
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reasons why a clone might necessarily be a carbon copy of the donor organism
A clone is not an exact carbon copy of an animal, it is more like an identical twin. The two animals are as genetically similar as possible, but there are still differences. After the successful cloning of a cat (named Carbon Copy) in 2001, many pet parents have thought about cloning their pets.
A clone is a genetic copy of the donor organism, so it will have the same DNA and therefore the same physical characteristics.
Cloning is a process of creating a genetically identical copy of an organism. This can be done by a variety of methods, but the most common method is called somatic cell nuclear transfer. In somatic cell nuclear transfer, the nucleus of an egg cell is removed and replaced with the nucleus of a somatic cell from another organism. The egg cell is then stimulated to divide, and the resulting embryo is implanted in a surrogate mother. The embryo will develop into a clone of the organism that donated the somatic cell.
Since a clone is a genetic copy of the donor organism, it will have the same DNA and therefore the same physical characteristics. This means that the clone will have the same hair color, eye color, height, and other physical features as the donor organism. The clone will also have the same genetic predisposition to diseases, so it is possible that the clone will develop the same diseases as the donor organism.
However, it is important to note that clones are not always perfect copies of the donor organism. There are a number of factors that can contribute to genetic variation in clones, such as the environment in which the clone is raised and the random chance events that occur during cell division. As a result, it is possible that a clone will have some physical differences from the donor organism.
Overall, clones are generally very similar to the donor organism, but there is always the possibility of some genetic variation.
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What is the uses of the deficiency of the following element: nitrogen, magnesium, calcium, iron, sulphur, boron, cobalt and silicon
Plants require essential elements for growth. These can be divided into two types. The soil supplies relatively large amounts of carbon (C), hydrogen (H), oxygen (O), nitrogen (N), phosphorus (P), potassium (K), sulfur (S), calcium (Ca) and, magnesium (Mg). And thus, these are called macronutrients. boron (B), chlorine (Cl), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), nickel (Ni), and zinc (Zn). In relatively small amounts, the plant also requires iron (Fe), manganese (Mn), boron (B), molybdenum (Mo), copper (Cu), zinc (Zn), chlorine (Cl), and cobalt (Co), which are called
Boron deficiency leads to the stout axis: true
Boron is involved in vegetative and reproductive cell growth. Deficiency of this nutrient is common. It is caused due to low Boron content in water or fertilizer or due to increased uptake of calcium which inhibits boron uptake. Boron deficiency leads to stunted and distorted growing tips. Therefore, the statement is correct.
B. Every mineral element that is present in a cell is needed by the cell: false
Minerals absorbed by the plants are generally utilized for their growth and development. But that is not true for all elements. Plants also absorb minerals like lead, silicon, uranium, silver, gold, etc that are not essential for growth. This phenomenon is mostly seen in plants growing near the mining areas. Thus the statement is false
C. Nitrogen is a nutrient mineral, is highly immobile in the plants: false
Minerals like nitrogen, phosphorus, potassium, magnesium, chlorine, zinc, and molybdenum are mobile nutrients in plants whereas calcium, sulfur, iron, boron, and copper are immobile nutrients. Thus the statement is false.
D. It is very easy to establish the essentiality of micronutrients because they are required only in trace quantities: false
As plants require certain nutrients in trace quantities, it is difficult to establish their essentiality. Thus the statement is false.
Note: Plants take up essential elements from the soil through their roots and from the air through their leaves. The root, especially the root hair, is the essential organ for the uptake of nutrients. Thus, any alteration in the structure and architecture of the root can affect the rate of nutrient uptake. Nutrient uptake by plants is by simple diffusion, facilitated diffusion, or active transport.
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Necesito hacer un mapa mental sobre taxonomia y fuandamento filosofico como lo puedo hacer me ayudan plis es urgente
Answer:
A taxonomy map of philosophy is created using 5 layer version
Explanation:
The map is drawn in a circular form, the parent is usually the center and then the child or the sub branches are then made around the first- parent circle to show the relation between the parent and its child. These branches can have their own sub branches which are then included around the branches the child of the original parent.
Make a list of pros and cons of using recombinant DNA technology in the food industry
Pros of Recombinant DNA Technology:
The development of recombinant DNA technology enhanced food production. Previously vulnerable to pest attacks, fruits and vegetables have undergone genetic alteration to become more resistant. Some foods have been altered to offer increased nutritional values or longer shelf lives. These innovations significantly enhanced crop yields, resulting in more food being available to the general public after each growing season.
Using recombinant DNA technology, researchers have been attempting to create novel vaccines and improve existing ones. Recombinant DNA is used in these "DNA vaccines," which are currently undergoing testing. Most contemporary vaccines give the body a small "piece" of a disease so it may learn how to fight that specific disease.
Cons of Recombinant DNA Technology:
Recombinant DNA technology is being used to modify foods and medications, which has many people concerned about its safety. Despite numerous studies suggesting that genetically modified foods are safe, it is understandable why there should be such concerns.
What may occur if a tomato crop that had jellyfish genes altered to make it more robust got widespread? What would happen if someone ate one of these tomatoes after being unaware that they were allergic to jellyfish? Would the person be responsible in some way? Some people worry that these issues won't be raised until it is too late. Some individuals are concerned that excessive human genetic tampering could lead to social issues.
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What is a stimulus?
A. cells in the brain
B. something in the environment that affects organisms
C. a specialized type of cell in an organism
D. a product of photosynthesis
Answer:
B.something in the environment that affects organisms
Explanation:
B is the answer.
Prior to cells growing and dividing the chromosones, which are made of DNA, are copied. This process is known as...
A) Transcription
B )Translation
C) Replication
D) Duplication
What is the sequence of the 5’ end of the mrna transcribed from this prokaryotic gene?.
UAGA is the sequence of the 5' end of the mRNA transcribed from this prokaryotic gene.
What is prokaryotic gene and what is the sequence of the 5' end of the mRNA transcribed from prokaryotic gene?Transcription is the first step in which a gene of the DNA is transcribed to make RNA molecules.The coding sequence of the DNA strand is the same for the transcription and then become the template of mRNA .Here the question is asked of the sequence of the 5' end of the mRNA transcribed from prokaryotic gene.Prokaryotic gene is the prokaryotic species and eukaryotic gene is gene of eukaryotic species.Hence UAGA is the sequence of the 5' end of the mRNA transcribed from this prokaryotic gene.To know more about gene visit:
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The crime scene investigation team arrives at a car crash scene and finds that both the drivers are taken away in an ambulance and there are no eyewitnesses. The investigation team needs to determine how fast the cars were going. Which action should crime scene investigators take? OA. collect glass samples and perform an analysis OB. use UV lamps to get an imprint off the speedometers OC. use forensic lamps to identify body fluids at the scene collect tiny particles of metal that flew off of the vehicles O D.
OB. If they’re determining how fast they were going
Im studying human scalp does anyone know what this is?
The picture represents the atypical mole or also known as dysplastic nevi. Such types of moles are looking unusual and have irregular features under the microscope.
What is a Human scalp?A human scalp may be defined as the fraction of the envelope of the human head usually covered with hair in both sexes. It is the region that is composed of soft tissue layers that cover the cranium.
The dysplastic nevi are although benign in nature but significantly have a potent threat to melanoma which is a dangerous form of skin cancer.
Such types of moles are painful, itching, crusting, and swelling with the duration of time. They are required to be checked immediately by a trusted dermatologist.
Therefore, the picture represents the atypical mole or also known as dysplastic nevi.
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Jasmine is a healthy girl who is playing outside. Her internal body temperature rises to 38 degrees Celsius, which is above normal. How does her body most likely respond to help her return to homeostasis?
Answer:
See the answer below
Explanation:
Jasmine's body would help her return to homeostasis by using the negative feedback loop.
The negative feedback loop works to negate the process or processes that lead to the body's setpoint being breached. The setpoint refers to the normal range of operation of body processes such as temperature, pressure, etc.
The skin of Jasmine acts as a sensor and sends information to the control center, the brain. The brain reads the temperature data, finds out that the setpoint has been exceeded, and sends information to the effectors to initiate processes that will return Jasmine's body temperature to normal.
One of the effectors, the blood vessels that supply blood to the skin becomes dilated. Consequently, more blood is supplied to the skin and more heat is lost from the skin due to radiation - blood being a conductor of heat in the body. Another effector, the sweat glands, release sweat to the skin. The evaporation of sweat from the surface of the skin causes the body to cool down. These processes work synergistically to return the body temperature of Jasmine back to homeostasis.
Answer:
By Sweating
Explanation:
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How does a survivorship curve help to explain the reproductive strategy of a species m? Define two of the three types of survivorship curves and explain the influence of the reproductive strategy on that curve. Give an example of an animal that would have the type of curve you are describing.
What kind of information can scientist get from soft body parts that they cannot get from hard body parts?
Answer:
Function and working mechanism.
Explanation:
Information such as function and working mechanism etc can a scientist get from soft body parts that they cannot get from hard body parts because these soft body parts perform their work continuously and we can study it through a number of ways and methods. The working mechanisms of hard body parts can't be study because they are not visible to any instrument and occurs inside their structure so that's why function and working mechanism are the information given by the soft body parts.
There is about 1000 Gt of carbon sequestered in the upper ocean (the part of the ocean that interacts with land). If we treat the system as steady state and we know that the inflow of carbon into the ocean is about 90Gt/yr, we can say that the residence time of carbon in the ocean is approximately a)1 year b)11 years c)110 years d)We cannot say because we don't have the outflow rate of carbon in the atmosphere
There is about 1000 Gt of carbon sequestered in the upper ocean (the part of the ocean that interacts with land). If we treat the system as steady state and we know that the inflow of carbon into the ocean is about 90Gt/yr, we can say that the residence time of carbon in the ocean is approximately is (b) 11 year.
The residence time of carbon in the ocean can be calculated by dividing the total amount of carbon sequestered in the upper ocean by the inflow rate of carbon. In this case, we have 1000 Gt of carbon sequestered in the upper ocean and an inflow rate of 90 Gt/yr.
Residence time = Total carbon sequestered / Inflow rate
So, the residence time of carbon in the ocean would be:
Residence time = 1000 Gt / 90 Gt/yr
Calculating this, we find that the residence time is approximately 11 years. Therefore, option b) 11 years is the correct answer.
It is important to note that the residence time calculation assumes a steady-state system, meaning that the inflow and outflow rates are balanced. However, the question does not provide information about the outflow rate of carbon from the ocean into the atmosphere.
Without knowing this information, we cannot accurately calculate the residence time. Therefore, option d) We cannot say because we don't have the outflow rate of carbon in the atmosphere is also a valid response. The correct answer is B.
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Marissa is testing a hypothesis through experimentation. She believes that immersing ocean coral in carbonic acid will slow the coral’s growth. Which of these actions will prevent Marissa from introducing confounding variables into her experiment?
Answer:
The answer choices to this question are:
A) She releases cement particles into a random number of the coral samples.
B) She uses three different types of coral to establish her dependent variables.
C) She treats the coral samples identically with varying levels of carbonic acid.
D) She obtains her coral samples from coral reefs surrounding different continents.
Best Answer is:
A) She releases cement particles into a random number of the coral samples.
Theory:
It has been researched that ocean acidification caused by carbon dioxide emissions causes a decrement in the coral reef growth and this will keep slowing down unless steep and rapid reductions in greenhouse gas emissions are made. And the Coral reefs offered economic opportunities would advantage the surrounding communities from fishing and tourism.
i did this question so thats why i know the answer choices
hope this helpsss
Answer: C. She treats the coral samples identically with varying levels of carbonic acid.
Explanation: I just took the test and this is correct
Principle that the maternal and paternal alleles for a trait separate from one another during gamete formation and then reunite during fertilization; Mendel's first law of inheritance.
Principle that the maternal and paternal alleles for a trait separate from one another during gamete formation and then reunite during fertilization; Mendel's first law of inheritance also known as the Law of Segregation.
This law states that during gamete formation, the maternal and paternal alleles for a trait separate from one another, ensuring that each gamete carries only one allele for each trait. This segregation occurs because of the process called meiosis, where the chromosome number is reduced by half in the formation of gametes. During fertilization, these gametes unite, and the offspring inherit one allele from each parent, thus restoring the normal number of chromosomes.
The Law of Segregation is a fundamental principle in genetics, and it was discovered by Gregor Mendel, a 19th-century Austrian monk who conducted extensive experiments with pea plants. His work established the basis for understanding inheritance patterns and the foundation for modern genetics, the law helps explain the genetic variations seen in offspring and the predictable patterns of inheritance. In conclusion, Mendel's First Law of Inheritance emphasizes the significance of the separation and recombination of alleles during reproduction, which plays a crucial role in the expression and inheritance of traits in organisms.
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describe the process of digestion (20marks)
Answer:
The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation. The first of these processes, ingestion, refers to the entry of food into the alimentary canal through the mouth.
Accessory organs: Liver: produces bile salts
Small intestine: Mixes chyme with digestive juice
Stomach: Mixes and churns food with gastric juice
Mouth: Ingests food; Chews and mixes food
Explanation:
Uing the claification tree hown, how would you claify an autotrophic diatom? Explain your reaoning
An individual single-celled organism that can produce its own nourishment is known as an autotrophic protist. The algae are the most well-known group.
An autotrophic diatom is what?As autotrophs, diatoms produce their own food through the process of photosynthesis. These brown-green algae are protected by a "frustule," which is a silica shell. You may be familiar with the dusty garden ingredient known as diatomaceous earth, which is made from the shells of dead diatoms.
Diatoms use photosynthesis to convert light energy into chemical energy, much like plants do, but they acquired their chloroplasts in various ways. Diatoms share a feature with animals that is unusual for autotrophic organisms—the urea cycle—although this cycle serves different metabolic purposes in diatoms.
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Which are classified as sac fungi?
A truffles, morels, yeast
B mushrooms, puffballs, rusts
C morels, mushrooms, chytrids
D chytrids, truffles, puffballs
Answer:
Truffles morels yeast (aka A)
Explanation:
what is photosynthesis
Answer:
Photosynthesis is a process by which phototrophs convert light energy into chemical energy, which is later used to fuel cellular activities. The chemical energy is stored in the form of sugars, which are created from water and carbon dioxide.
Hey there!
Photosynthesis is the reaction that converts light energy to chemical energy in sugar and carbohydrates. Humans can't eat sunlight, so we eat plants. Plants convert the energy in the sunlight into chemical energy using chlorophyll. Chlorophyll is a molecule produced by plants, algae, and cyanobacteria, which aids in the conversion of light energy into chemical bonds. It is the green pigment found in the chloroplasts of higher plants. They are a part of our ecosystem, and they are lower on the food chain.
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The diagram shows the internal structure of a leaf. Which sentence best describes how the structure of this leaf maximizes the amount of photosynthesis that it can carry out? OA. The upper part of the leaf, which gets the most sunlight, has the cells with the most chloroplasts. OB. The spaces through which carbon dioxide can enter the leaf are lined with cells that have the most chloroplasts. O C. The cells in all parts of the leaf are packed with chloroplasts that can use sunlight to make sugar. OD. The bottom part of the leaf, which gets less sunlight, has layers of cells with the most chloroplasts.
Answer:
When it comes to photosynthesis, the most important parts of the plant are the leaves. Their cells and structures are specialized to take in light and allow for gas exchange with the air around them. They also contain vascular structures that transport water from the roots into the cells that carry out photosynthesis.
1. The plant’s vascular tissues—xylem and phloem—transport water to the leaves and carry glucose away from the leaves.
Anyone who cares for plants could probably tell you that pouring water directly onto the leaves isn’t the best idea. Plants absorb water from the soil, using their roots.
As you probably already know, water is necessary for photosynthesis, which primarily occurs in the plant’s leaves. You might wonder how the water gets from the roots into the leaves, and the answer is through the plant’s vascular system! Just like the veins and arteries that circulate blood throughout our bodies, the plant’s vascular tissues move water, nutrients, and the products of photosynthesis throughout the plant.
A plant’s vascular tissues move water, nutrients, and the products of photosynthesis throughout the plant.
When a plant’s roots absorb water and nutrients from the soil, these materials move up the stem and into the leaves through the xylem. Capillary action—which relies on liquid’s properties of cohesion, surface tension, and adhesion—is what allows water to “defy gravity” as it travels through the xylem and into the leaves.
Once photosynthesis has occurred, the produced sugars move through the phloem to other parts of the plant to be used in
Will the entire starch molecule be able to enter the cells of the digestive tract?
Particularly important dietary carbohydrates include starch and disaccharides such as lactose and sucrose. None of these molecules can be absorbed for the simple reason that they cannot cross cell membranes unaided and, unlike the situation for monosaccharides, there are no transporters to carry them across.
what is the genotype of parent 2?
Answer:
Scientists use the term genotype to refer to the combination of mother and father genes in the person's make up. AA, AO and OO are the 3 genotypes that may result from the mating of the parents in the example above. Scientists use the term phenotype to refer to what gene is actually expressedin which way are plants and animals different in how they obtain energy? * must provide value animals use atp; plants do not plants capture energy from sunlight; animals utilize chemical energy plants store energy in sugar molecules; animals do not animals can synthesize sugars from simpler molecules; plants cannot
These are the ways the animals and plants prepare their food to obtain energy.
What is organic molecules ?
A complex molecule called an organic is formed mostly of carbon atoms joined to other elements and/or other carbon atoms. Organic molecules make up every living thing on Earth. A collection of bound atoms is referred to as a molecule.
what is atp?
Adenine, a ribose sugar, and three serially linked phosphate groups make up the nucleoside triphosphate (nucleoside) structure of ATP.
Plants are primarily photoautotrophs — they use sunlight to fix carbon into more complex organic molecules. The sun is their primary source of energy.
Animals are chemoheterotrophs — they derive energy by breaking down organic molecules that they ingest. Their energy comes from chemical breakdown of plant and animal matter that they eat.
Therefore, these are the ways the animals and plants prepare their food to obtain energy.
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explain the speed–accuracy trade-off in the skill of catching with adults over the age of 65. what would coincidence-anticipation research tell us about catching in older adults?
The speed-accuracy trade-off theory states that individuals need to decide how much emphasis to place on the speed or accuracy of a movement to achieve a particular goal.
The speed-accuracy trade-off theory states that individuals need to decide how much emphasis to place on the speed or accuracy of a movement to achieve a particular goal. With the task of catching, it is important to find the balance between speed and accuracy to successfully catch an object, but this may change based on factors such as age. In adults over the age of 65, catching may become more challenging due to changes in sensory processing and motor control, which can affect the speed-accuracy trade-off.
Coincidence-anticipation research is a type of research that focuses on the ability to predict the future location of a moving object and the ability to respond accordingly. With older adults, research has shown that their ability to accurately anticipate the trajectory of a moving object may decline, making catching more challenging. This decline is attributed to changes in cognitive processing, such as slowed reaction times and difficulty with visual tracking.
Furthermore, research has shown that older adults may rely more on visual information rather than proprioceptive feedback (internal awareness of the body's position and movement) when catching, which can also affect the speed-accuracy trade-off. In summary, the speed-accuracy trade-off theory applies to catching in older adults, but changes in sensory and cognitive processing can make it more challenging to achieve the right balance. Coincidence-anticipation research can help identify these changes and inform interventions to improve catching ability in older adults.
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8. Which observation would be the best evidence to use to argue that there is an evolutionary relationship between two species?
They occupy the same niche.
They have similar fur color.
They have similar DNA base sequences.
They inhabit the same geographic regions.
Answer: C: They have similar DNA base sequences
Explanation:
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2. Compare the central nervous system (CNS) and peripheral nervous system (PNS) by describing the function and structures of each. Then, describe how they are connected. Function: CNS Structures: How are they connected? Function: PNS Structures:
The brain and spinal cord are parts of the central nervous system, while the nerves and all the sensory receptors and motor neurons are part of the peripheral nervous system.
The brain is divided into two hemispheres: the left hemisphere and the right hemisphere. These two hemispheres are connected by a network of nerve fibers located in the brain’s center called the callosum (the brain’s central nervous system). Each of the four hemispheres is divided into four lobes (or sections), all of which are connected to each other. The CNS is responsible for cognitive functions such as thinking, reasoning, emotion, language, and movement.
The peripheral nervous system can be broken down into two sub-systems: the Autonomic (ANS) and the Somatic (SNS) nervous system. The Autonomic Nervous System controls voluntary bodily functions and controls glands. The Somatic Nervous System (SNS) controls muscle movement and sends signals from the ears, eyes, skin, and other parts of the body to the centrally located nervous system.
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Which of the following best describes how animals and plants react to the spread of disease in a certain environment?
The number of predators increases.
The number of prey increases.
They may struggle to survive.
They move to new locations.
Answer:
they may struggle to survive
red-green color blindness is a recessive trait on the x chromosome. two people with normal color vision have two sons, one color-blind and one with normal color vision. what proportion of their daughters will have normal vision?
25% of their daughters are expected to have normal color vision, while the other 75% are expected to be carriers of the color blindness gene.
Red-green color blindness is a genetic condition caused by a mutation in a gene located on the X chromosome. The gene responsible for normal color vision is dominant, while the gene responsible for color blindness is recessive.
If two people with normal color vision have two sons, one color-blind and one with normal color vision, it is likely that the parents are carriers of the color blindness gene. This means that they each have one normal X chromosome and one X chromosome carrying the color blindness gene.
When the parents have children, they each pass on one X chromosome to their offspring. The probability of passing on the normal X chromosome is 50%, while the probability of passing on the X chromosome carrying the color blindness gene is also 50%.
For their daughters, the probability of having normal color vision is:
(normal X from mother) * (normal X from father) = 0.5 * 0.5 = 0.25.
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11. Who was the second American to do an EVA? What sort of problems
did he have when he did his EVA.
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Answer:
Ed White
This close-up photo shows Ed White during his Gemini IV spacewalk, AKA extravehicular activity (EVA), as he became the first American astronaut to walk in space on June 3, 1965.
A farmer has applied a pesticide to control a pest population that is affecting her crops. The pest population has reacted as shown below.
A chart begins with 4 green bugs and 1 brown bug. The brown bug survives and produces brown offspring.
Which best describes the process that the pest population has experienced due to this environmental change?
genetic diversity
natural selection
natural resistance
gene flow
The correct answer is option B. natural selection.
What is Natural Selection?Natural selection is a natural process in which well-adapted organisms tend to survive and reproduce more than less-adapted organisms. For example, tree frogs can be eaten by snakes and birds. This change means that some individuals have more environmentally-adapted traits than others, and their offspring are scarce. There is no doubt that natural selection has shaped the evolution of humankind in our farther past.
Natural selection is an inevitable result of three principles. Most traits are inherited, producing more offspring than can survive, and offspring with more favorable traits survive and have more offspring than individuals with less favorable traits.
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Answber:
the answer is B
Explanation: