Answer:
lol
Explanation:
Lol cool oki.Same as me
The graph shows the results of a photosynthesis investigation on algae.
Which question was the scientist most likely studying? (SC.7.N.1.4)
A. Why is the rate of photosynthesis different in high light intensity from low light intensity?
B. Why does increasing the light intensity increase the rate of photosynthesis in algae?
C. How is the rate of photosynthesis in algae at two light intensities affected by different temperatures?
D. How does increasing the rate of photosynthesis in algae change its temperature?
A. The rate of photosynthesis is different in high light intensity compared to low light intensity primarily due to the availability of energy for the photosynthetic process.
In high light intensity, there is an abundance of light energy, specifically photons, reaching the photosynthetic pigments in plant cells.
B. Increasing light intensity increases the rate of photosynthesis in algae primarily because the light is a crucial factor in the light-dependent reactions of photosynthesis.
Algae, like plants, contain pigments such as chlorophyll that absorb photons of light energy. When light intensity increases, there is a higher influx of photons available for absorption by these pigments.
C. The rate of photosynthesis in algae at two light intensities can be affected by different temperatures. Generally, temperature influences the enzymatic reactions involved in photosynthesis.
At lower temperatures, the enzymatic activity tends to be slower, which can limit the overall rate of photosynthesis. As the temperature increases within an optimal range, enzyme activity and reaction rates typically rise, leading to an increase in the rate of photosynthesis.
D. Increasing the rate of photosynthesis in algae can change its temperature due to the metabolic processes involved. Photosynthesis is an endothermic process, meaning it absorbs energy from the environment.
As the rate of photosynthesis increases, more energy is absorbed from the surroundings in the form of light.
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does anyone know this pls help
Answer:
A person standing on the ground is barely affected by surface gravity
………………………dguhbjirviuhb
When lan connects the wires to the battery, an electric current passes through the wire and the bell rings.
What is transferred by the electric current?
OA. force
OB. sound
OC. light
OD. energy
Energy is transferred by the electric current.
Any movement of subatomic charged particles (such as electrons with a negative charge) or ions (atoms that have gained or lost one or more electrons), holes, or other electric charge carriers (protons with a positive charge), constitutes an electric current (electron deficiencies that may be thought of as positive particles).
The electric current in a wire, where electrons serve as the charge carriers, is a measurement of the amount of charge that moves through any point of the wire in a given amount of time. Electric charge motion is occasionally reversed in the alternating current but not in the direct current. In many situations, the flow of positive charge in an electric circuit is assumed to be the direction of the current, which is the direction that the electrons actually drift in.
An electric current distributes the battery's energy to the elements of the circuit. Nothing in this procedure "uses up" any current. Negatively charged electrons, which are constantly present in the circuit's wires and other parts, are the most common type of moving charged particle.
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Energy is transferred by the electric current.
Electric Current is rate of flow of electrons in a conductor. The SI Unit of electric current is the Ampere.
Electrons are negatively charged particles and when they move, a number of charges moves, and this movement of electrons is called electric current.
It should be noted that the number of electrons that are able to move tells about the ability of a particular substance to conduct electricity
The electric current in a wire, electrons serve as the charge carriers, is a measurement of the amount of charge that moves through any point of the wire in given amount of time. Electric charge motion is occasionally reversed in the AC but not in the DC.
In many situations, the flow of positive charge in an electric circuit is assumed to be the direction of the current, which is the direction that the electrons actually drift in. An electric current distributes the battery's energy to the elements of the circuit. .
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what do you call the very fine particles that you formed after pounding the pieces of rocks with a hammer
Answer:
fine particles (silt and clay) are moved to areas of still water (off-shore settings). the majority of these particles are made up of clay minerals, which are weathering products of feldspars and ferro-magnesian minerals.
Answer:
You call them minerals
Explanation:
Osmosis is the movement of________molecules from an area of______concentration to an area of_________concentration until_________is acheived
Osmosis is the movement of water molecules from an area of higher concentration to an area of lower concentration until membrane is achieved.
What is osmosis?Osmosis is the naturally occurring net movement or diffusion of solvent molecules across a selectively permeable membrane from a region of high water potential to a region of low water potential in a manner that tends to balance the solute concentrations on the two sides.The spontaneous movement of water or other solvents through a semipermeable membrane is known as osmosis.Transport of solute molecules over a semipermeable membrane from a lower concentration of solution to a higher concentration.Osmosis lets an animal cell absorb water from the intestines into the blood. Here are some further instances of osmosis. Osmosis is responsible for the soil's ability to absorb water. In contrast to the soil, the concentration is higher in the plant roots.Water enters the roots as a result.Osmosis is the movement of a solvent toward a more concentrated solute across a semipermeable membrane. Osmosis can occur in a variety of liquids, including supercritical liquids, gases, and other liquids, despite the fact that water is frequently the solvent in biological systems.Learn more about osmosis here:
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TTT 18. All of the following are chemical approaches to control micro-organism excepts: A. Antibiotics B. Disinfectants 19. The scientific name for modern man is C. Antiseptics D. Autoclaving A. Homo erectus B. Homo sapiens 20. In which of the following kingdoms are prokaryotic organisms placed? A. Fungi B. Protest C. Australopithecus D. None C. Planate D. Monera 21. Plants which have true roots, leaves, stem & seeds inside the fruit are A. Gymnosperm C. Mosses D. Ferns B. Angiosperm 22. Which of the following taxonomic groups contains closely related organisms? A. Genus C. Phylum B. Order D. Class 23. Malaria causing single celled parasitic protozoan is called A. Paramecium B. Salmonella C. Mosquito D. Plasmodium 24. Which one of the following kingdoms is consists of eukaryotic organisms such as yeast moulds and mushrooms? A. Ecosystem B. Population 26. Which of the following organism are consumers? A. Photosynthetic B. Chemosynthetic bacteria C. Green plant D. Scavengers Answer the following questions. C. Kingdom monera D. Kingdom plantae A. Kingdom fungi B. Kingdom protista 25. Ecology is a biological science that deals with all of the following except C. organism D. none
Answer:
D. Autoclaving
B. Homo sapiens
D. Monera
B. Angiosperm
A. Genus
D. Plasmodium
A. Kingdom fungi
D. none
D. Scavengers.
Explanation:
Explanations are ordered from answers (coordinated)
18. The question asks which of the given options is not a chemical approach to control microorganisms. Antibiotics, disinfectants, and antiseptics are all chemical approaches that can be used to control microorganisms, while autoclaving is a physical method that uses high pressure and high temperature to sterilize materials.
The scientific name for modern man, or Homo sapiens, is option B.
Prokaryotic organisms, which lack a membrane-bound nucleus and other complex cell structures, are placed in the kingdom Monera. The other options given, Fungi, Protista, and Plantae, are all eukaryotic kingdoms.
Angiosperms are plants that have true roots, leaves, stem, and seeds inside a fruit. Gymnosperms, ferns, and mosses are other types of plants with different characteristics.
Taxonomic groups are organized hierarchically, with closely related organisms grouped together at lower levels and more distantly related organisms grouped at higher levels. The options given, genus, order, class, and phylum, are all taxonomic ranks, but genus is the level that contains closely related organisms.
Plasmodium is a single-celled parasitic protozoan that causes malaria. Paramecium is a different type of single-celled organism, while Salmonella is a type of bacteria and mosquito is an insect.
Yeast, molds, and mushrooms are all eukaryotic organisms that belong to the kingdom Fungi. Ecosystem and population are not kingdoms, but rather ecological concepts that describe interactions among different organisms in an environment.
Ecology is the scientific study of the interactions between organisms and their environment. The options given, organism and none, are not part of the field of ecology.
Consumers are organisms that obtain energy by consuming other organisms. Photosynthetic bacteria and green plants are autotrophic organisms that produce their own food through photosynthesis, while chemosynthetic bacteria obtain energy from chemical reactions. Scavengers, like vultures or hyenas, are examples of consumers that feed on dead organisms.
What is not true for DNA in prokaryotes
a.present in the form of a compact structure called nucleoid
b.the coils are maintained by non-histone basic protein
c.found in cytoplasm in a supercoiled condition
d.packaged as nucleosomes along with histones
The statement which is not true for DNA in prokaryotes is that it is packaged as nucleosomes along with histones amd is therefore denoted as option D.
What is DNA?This is referred to as deoxyribonucleic acid and it is the genetic material of most organisms.
DNA is supercoiled in prokaryotic cells which meaning that the DNA is either under-wound or over-wound from its normal relaxed state. However, in the case of eukaryotic cells, the DNA is wrapped around proteins known as histones to form structures called nucleosomes which is therefore the reason why option D was chosen as the correct choice.
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Purpose of physical change
Answer:
Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds.
Explanation:
......
The human brain contains different regions that control specific bodily functions. On a model, how could you identify the region of the brain that is responsible for voluntary activities of the body, as well as intelligence, learning, and judgment?
A. This region is the thalamus, between the brain stem and cerebrum.
B. This region is the brain stem, connecting the brain to the spinal cord.
C. This region is the cerebellum, divided into left and right hemispheres.
D. This region is the cerebrum, the largest region in the brain.
The right answer is option D. This region is the cerebrum, the largest region in the brain.
The cerebrum is responsible for voluntary activities of the body, as well as intelligence, learning, and judgment. It is the largest and most highly developed part of the brain, comprising two hemispheres connected by a thick bundle of nerve fibers called the corpus callosum.
The cerebrum is further divided into specialized regions known as lobes, including the frontal lobe, parietal lobe, temporal lobe, and occipital lobe.
These lobes house various cortical areas responsible for different functions, such as motor control, sensory perception, language processing, memory, and executive functions.
The cerebrum plays a critical role in higher cognitive processes and is responsible for our conscious thoughts, emotions, and decision-making abilities.
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Cats can see objects better that are farther away.
Group of answer choices
True
False
Answer:
False
Explanation:
They have a small range of vision :)
PLSS ANSWER
Which of the following is a way that animals can harm the environment?
Blocking sunlight
Dispersing seeds
Providing shelter
Spreading disease
Answer:
Spreading Disease
Explanation:
Animals can pick up disease then travel with it spreading it, therefore, harming the environment.
Active transport move particles in and out of the cell_____
Answer:
against the concentration gradient
Explanation:
what’s the function of nucleic acids
Explanation:
carry genetic information which is read in cells to make the RNA and proteins by which living things function.
Please hurry. Which of the following examples includes only chemical changes that occur in the digestive process?
A: Absorption of nutrients by villi in the small intestines
B: Chewing and swallowing food
C:Recycling of water from dissolved food back into the body
D: Reaction of saliva, stomach acid, bile, and pancreatic juices with food
The example that includes only chemical changes that occur in the digestive process is the reaction of saliva, stomach acid, bile, and pancreatic juices with food. Option D.
What are chemical changes?Chemical changes refer to changes to the chemical properties of substances. In biological reactions, these substances are referred to as reactants.
Chemical changes are different from physical changes. In physical changes, only the physical properties of substances are altered while their chemical properties remain intact.
When a substance changes chemically, its physical properties most often change along. However, this is not in all cases.
Thus, looking at the examples given, their classification into either physical or chemical changes is as follows:
Absorption of nutrients by villi in the small intestines: physical changeChewing and swallowing food: physical changeRecycling of water from dissolved food back into the body: physical changeThe reaction of saliva, stomach acid, bile, and pancreatic juices with food.When saliva, stomach acid, bile, and pancreatic juices react with food, the chemical properties of food change because the enzymes convert different components of food from one form to another as part of the process of digestion.
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Question 5 (1 point)
During metaphase, what happens to the chromosomes?
a
b
O
O d
Spindle fibers pull chromosomes all the way to the poles of the cell
Spindle fibers align chromosomes along the middle of the cell
genetic material replicates to prepare for mitosis
The chromosomes disappear
Pls need help the question is up there already giving BRAINLEST to a good answer
Answer:
The last choice. Think of planets, the bigger they are, the stronger they attract to one another
Explanation:
hope it helps
Gross production is the amount of energy left after cellular respiration. Please select the best answer from the choices provided T or F
Answer:
FALSE
Explanation:
Gross production is the amount of energy left after cellular respiration that is false, as the gross production is the total production and the net production is the amount of energy left after cellular respiration.
What is the significance of the gross production?Gross production is the total amount of energy produced by an organism through different processes, such as photosynthesis, ingestion, and digestion of food, while after energy is used by the organism for cellular respiration, what is left is called the "net production." Although the gross energy is not released, the net energy is.
Hence, gross production is the amount of energy left after cellular respiration that is false, as the gross production is the total production and the net production is the amount of energy left after cellular respiration.
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Which microscope is used to check organelles of human cheek cell?
Answer:
4x or 10x
Explanation:
You need one of those to find the cells and then you can increase magnification
What is the symbol for chromate
Answer:
symbol for chromate
K₂CrO₄
Answer:
chm
Explanation:
chromate is a chromate things.....
Hey!
Okay, so, dragonflies breed and live in freshwater. We know that some live in floodplains and thrive there. What effect would a large flood have on a dragonfly population that lives in the floodplain?
Flooding and the destruction it may bring are very real risks for people who live in floodplains. Homes might be ruined or damaged populations. Property damage is possible.
If you make preparations now for potential flooding tomorrow, you can prevent it or at least lessen the damage if if live in a floodplain. Flooding can have negative environmental effects such as soil & bank erosion, bed erosion, siltation, or landslides. Flooding can harm plants, and contaminants transported by floodwater can have an impact on the ecosystems, flora, and animals as well as the water quality. Yet, flooding can be advantageous in natural population settings. Flood-plains are the river's bare banks. They are discovered as the river contracts during the dry season.
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PLEASEEE HELP!!!!
Examples of proteins include:
Select one:
Answer:
A - Lactose, glucose, and sucrose
An individual with a mitochondrial disease
inherited the disease from their father.
Inherited the disease from their mother.
contracted the disease from a viral infection.
Contracted the disease from a bacterial infection.
Contracted the disease from a parasitic infection.
Mitochondrial diseases are caused by mutations in the mitochondrial DNA, which is located in the mitochondria. These mutations are usually inherited from the mother, as the mitochondrial DNA is passed down from the mother to her children.
What is Mitochondrial?Mitochondria are organelles found in the cells of all eukaryotic organisms, which are responsible for generating most of the cell’s supply of chemical energy. They are often referred to as the “powerhouses” of the cell. Mitochondria are essential for life and are involved in a variety of cellular processes, such as metabolism, cell growth, and cell death. They contain their own DNA and can replicate independently from the cell. Mitochondria are also involved in several metabolic pathways, such as the tricarboxylic acid cycle, the beta-oxidation of fatty acids, and the synthesis of amino acids. Mitochondria are essential for life and have been linked to a variety of degenerative diseases, such as Parkinson's disease, Alzheimer's disease, and diabetes.
It is very rare for a mitochondrial disease to be inherited from the father or contracted from a viral, bacterial, or parasitic infection.
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I need help please ??!!!!!
Answer:
1: false
2: true
3: true
Explanation:
sorry if they wrong its on me if u use them tho
a gene is a segment of mrna
Answer:
An RNA single-stranded molecule that is complementary to one of a gene's DNA strands, to be precise.
Explanation:
DNA sequences or segments code for proteins or molecules with defined functions, called genes.
Shane is studying different types of neurons using an electron microscope. He encounters a multipolar cell with no apparent axons and determines it is a(n) ______ neuron because of those characteristics.
Shane is studying different types of neurons using an electron microscope. He encounters a multipolar cell with no apparent axons and determines it is a(n) anaxonic neuron because of those characteristics.
According to the etymology of the term, anaxonic neurons are any type of neuron in which the axon is absent or cannot be distinguished from the dendrites. In the human nervous system, there are two types of anaxonic neurons: the undifferentiated anaxonic neuron, in which the axon cannot be distinguished from the dendrites, and the unipolar brush cell (UBC), which has no axon and only a den
Brain and certain sensory organs contain anaxonic neurons. Their purposes are not entirely clear. Two or more dendrites and one axon are features of multipolar neurons. The majority of CNS neurons are such.
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If a man with blood type AB marries a woman who is heterozygous for blood type B, what is the probability of having a child with blood type O?
Considering the probabilities of these outcomes, the chance of having a child with blood type O is 50% if a man with blood type AB marries a woman who is heterozygous for blood type B.
To determine the probability of having a child with blood type O, we need to analyze the possible blood type combinations that can result from the parents' genotypes.
The man has blood type AB, which means he has both A and B antigens on his red blood cells. The woman is heterozygous for blood type B, meaning she carries one B allele and one recessive O allele. The possible genotypes for the man are AB (IAIB) and the possible genotypes for the woman are BB (IBIB) or BO (IBi).
When these two individuals have offspring, their children can inherit any combination of the parents' alleles. The possible combinations are as follows:
AB x BB: All children will have blood type B (IBIB), as both parents only carry the B allele.AB x BO: There is a 50% chance that each child will inherit the O allele from the mother, resulting in blood type O (ii). There is also a 50% chance that each child will inherit the B allele from the mother, resulting in blood type B (IBi).
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What sections of DNA are used in DNA fingerprinting?
O A. Sections that only contain mRNA
O B. Sections that are unique to each person
O c. Sections that have the fewest mutations
O D. Sections that are made by bacteria
a temperature much higher than the optimal temperature for a particular enzyme is likely to the activity and reaction rate of the enzyme due to in the size and shape of the enzyme's active site.
a. true
b. false
False a temperature significantly higher than the ideal temperature for a specific enzyme is likely to affect the enzyme's activity & reaction rate due to differences in the active site's size and shape.
What does the word "enzyme" mean?A component known as an enzyme works as a catalysts in living things to speed up chemical reactions without undergoing any changes. Enzymes manage the majority of the chemical reactions that make up the biological activities that take place inside of all living things.
How do enzymes operate?Reduced activation energy, or the quantity of energy required for a reaction to start, is a crucial function of enzymes. In order to facilitate the bond-forming and bond-breaking processes in chemical reactions, reactant molecules must bind to enzymes in order for them to hold the reactant molecules.
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Do you think the adaptations of the animal you chose are a result of its environment, genes, or both? Explain your answer.
Answer:
The adaptations are result of both the environment and genes. Animal develop adaptive characteristics in response to their environmental challenges. These adaptations help the animals survive in their environment. The animals are more likely to reach reproductive age. So,these adaptive traits are more likely to be passed on to offspring.In the case of cheetahs,tan coloring,conservation of water, and fast legs are traits that help them survive in the savanna. These traits,like all the other characteristics of cheetahs,are genetically passed from parents to offspring.
Explanation:
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