Answer:
TT=tall
Tt=tall
tt=short
what is the difference between cork formation and gum formation in the plants as an immune mechanism
Answer:
Cork formation is a type of secondary growth that occurs in the stems and roots of woody plants. Gum formation, on the other hand, is a type of defense mechanism that occurs in response to injury or infection.
Explanation:
How would agricultural systems most likely be impacted if transportation costs suddenly rose greatly?
More people might decide to buy from local farms.
Most farms might shrink in size.
o There would be more variety available in grocery stores.
Costs of tropical fruits would decrease.
More people might decide to buy from local farms. i think
Which of the following statements is true? The shape of DNA is a triple helix. DNA mutations never affect an entire chromosome. Mutations in egg and sperm cells are inherited by offspring. Reginald Punnett discovered patterns of inheritance during pea plant experiments.
Answer:
Reginald Punnet discovered patterns of inheritance during pea plant experiments
Explanation:
is there more than one right answer
✅ Reginald Punnett discovered the theory of incomplete dominance during flower experiments. ~ ₕₒₚₑ ₜₕᵢₛ ₕₑₗₚₛ! :₎ ♡ ~
a single stage of succession in any given ecosystem is technically referred to as a ________?
A) sere
B) trophic level
C) step
The stage of succession at trophic levels represents the stage of succession in the food chain in any ecosystem, but to understand more about the stage of succession we need to know that......
Trophic levelTrophic level, also known as food level, represents the biotic set (animals and plants) that integrate the same ecosystem, and in this ecosystem, have similar eating habits.
Ecological successionEcological succession concerns the gradual and progressive changes that occur in an ecosystem until it reaches a community with the maximum possible development. During this process, the colonization of an area and changes in the composition of the community occur, that is, a community is progressively replaced by a more complex one.
With this information can we state that the only stage of succession in any ecosystem is technically called the trophic level.
a) be
B) trophic level
C) step
Coming to the conclusion that, Trophic levels represent the stage of succession in the food chain in any ecosystem.
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Answer: C step
Explanation: i seen your question and i had this question on an test two days ago but the correct answer is step
The __________________defines the boundary of the cell and determines the nature of its contact with the environment.
The plasma membrane defines the boundary of the cell and determines the nature of contact with the environment.
The plasma membrane is the outermost layer of an animal cell. It is composed of peptidoglycan and has a lipid bilayer with proteins embedded in it.
The plasma membrane is also known as cell membrane and is a selectively permeable membrane. It allows certain molecules and solutes to enter into the cell and go outside of the cell whenever necessary.
Plasma membrane plays a vital role in the communication between two consecutive cells as it is selectively permeable. The plasma membrane also maintains the concentration of the cell, by releasing or allowing certain solutes to enter and go out of the cell.
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Write a brief paragraph as to how each condition affects blood flow
Answer:
Pulse Pressure
As shown in Figure 1, the difference between the systolic pressure and the diastolic pressure is the pulse pressure. For example, an individual with a systolic pressure of 120 mm Hg and a diastolic pressure of 80 mm Hg would have a pulse pressure of 40 mmHg.
Generally, a pulse pressure should be at least 25 percent of the systolic pressure. A pulse pressure below this level is described as low or narrow. This may occur, for example, in patients with a low stroke volume, which may be seen in congestive heart failure, stenosis of the aortic valve, or significant blood loss following trauma. In contrast, a high or wide pulse pressure is common in healthy people following strenuous exercise, when their resting pulse pressure of 30–40 mm Hg may increase temporarily to 100 mm Hg as stroke volume increases. A persistently high pulse pressure at or above 100 mm Hg may indicate excessive resistance in the arteries and can be caused by a variety of disorders. Chronic high resting pulse pressures can degrade the heart, brain, and kidneys, and warrant medical treatment.
Mean Arterial Pressure
Mean arterial pressure (MAP) represents the “average” pressure of blood in the arteries, that is, the average force driving blood into vessels that serve the tissues. Mean is a statistical concept and is calculated by taking the sum of the values divided by the number of values. Although complicated to measure directly and complicated to calculate, MAP can be approximated by adding the diastolic pressure to one-third of the pulse pressure or systolic pressure minus the diastolic pressure:
\displaystyle \text{MAP}=\text{diastolic BP}+\frac{(\text{systolic}-\text{diastolic BP})}{3}MAP=diastolic BP+
3
Pulse
After blood is ejected from the heart, elastic fibers in the arteries help maintain a high-pressure gradient as they expand to accommodate the blood, then recoil. This expansion and recoiling effect, known as the pulse, can be palpated manually or measured electronically. Although the effect diminishes over distance from the heart, elements of the systolic and diastolic components of the pulse are still evident down to the level of the arterioles.
This image shows the pulse points in a woman’s body.
Figure 2. The pulse is most readily measured at the radial artery, but can be measured at any of the pulse points shown.
Because pulse indicates heart rate, it is measured clinically to provide clues to a patient’s state of health. It is recorded as beats per minute. Both the rate and the strength of the pulse are important clinically. A high or irregular pulse rate can be caused by physical activity or other temporary factors, but it may also indicate a heart condition. The pulse strength indicates the strength of ventricular contraction and cardiac output. If the pulse is strong, then systolic pressure is high. If it is weak, systolic pressure has fallen, and medical intervention may be warranted.
Pulse can be palpated manually by placing the tips of the fingers across an artery that runs close to the body surface and pressing lightly. While this procedure is normally performed using the radial artery in the wrist or the common carotid artery in the neck, any superficial artery that can be palpated may be used. Common sites to find a pulse include temporal and facial arteries in the head, brachial arteries in the upper arm, femoral arteries in the thigh, popliteal arteries behind the knees, posterior tibial arteries near the medial tarsal regions, and dorsalis pedis arteries in the feet. A variety of commercial electronic devices are also available to measure pulse.
Explanation:
can any one answer this?
Answer:
carnivores:cheetah tigre hyena / omnivores Raccons dog bird / scavengers jackals bear wolf
!! With multicellular organisms, which type of cells divide that DO NOT pass on genetic information? !!!
With all multicellular organisms all the cells that are dividing do not undergo the process of passing genetic information. . Basically all the cells are passing out the genetic information except the RBC and the cornified cells.
What is genetic information ?It is the information that is passing to the genomic interpretation of a living organism what to code or what not to especially for the protein.
All the cells contain the genetic information even the cells which undergo differentiation are responsible for passing out the property of an assigned function contain the nuclear DNA as well.
RBC cells are the cells which do not contain DNA and the genetic information is not stored in these cells thus these are the cells which do not have the property as discussed in the question.
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Consider the three most common types of skin cancer. Then, click and drag each label into the appropriate category.
Arises from keratinocytes in the deepest layer of the epidermis
Raised, reddened, scaly appearance
If metastasized, the deadliest skin cancer
Seldom spreads to other tissues
Arises from superficial cells of the epidermis
Caused by mutations commonly found in moles
Most common type
Can spread from the keratinocytes to the ph nodes
Arises from the cells that protect from UV light
Least common type
The labels for each type of skin cancer are;
Basal Cell Carcinoma:
Most common typeSeldom spreads to other tissuesArises from the deepest layer of the epidermisMelanoma:
If metastasized, the deadliest skin cancerArises from the cells that protect from UV lightLeast common typeCaused by mutations commonly found in molesSquamous Cell Carcinoma:
Arises form superficial cells of the epidermisRaised, reddened, scaly appearanceCan spread from the keratinocytes to the lymph nodesWhat is skin cancer?Skin cancer is an abnormal growth of skin cells often occurring after long exposure to the sun. Basal cell carcinoma is a most common type that rarely spreads to other tissues and comes from the epidermis.
Squamous Cell Carcinoma and melanoma are other types of skin cancers and melanoma is the deadliest of them.
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here are many genes that can affect coat color in ferrets. In particular, there is a gene that is necessary for melanocyte development (D). When this gene is mutant the ferrets are white, regardless of any of the other genes. A second gene affects the production of color in the melanocyte (R). Recessive mutations in this gene result in cream-colored animals, while the fully functional gene allows for animals of a darker color. A third gene causes longer chains of dopaquinone, and the dominant allele produces black animals (B), while the recessive allele produces brown animals. In animals that are black you can sometimes see a pattern of color that looks like stripes; this pattern is created by a gene (a) that affects deposition of color. Only black animals can be striped, and the striped allele is recessive. A brown animal, whose mother was cream colored, has babies. Of the animals, 1/4 are white, 3/8 are brown, 9/32 are black, and 3/32 are striped. What is the genotype of the father of these babies? List the What is the genotype of your brown animal? genes in order DRBA with no spaces.
The genotype is Aabb and aabb also the proportion of brown fleece(coat) is3/16.
Gametes produced by AaBb creatures are AB, Ab, aB, ab
Cross between two AaBb creatures would be as follows
AaBb * AaBb
AB Ab aB ab
AB AABB AABb AaBB AaBb
Ab AABb AAbb AaBb Aabb
aB AaBB AaBb aaBB aaBb
ab AaBb Aabb aaBb aabb
Out of the 16, seed(offsprings) the one with genotype Aabb and aabb will have red color
There are 2 Aabb and one aabb seed
Therefore, out of 16, 3 seed are brown in color
Proportion of offspring to have a brown fleece is3/16.
Thus, the genotype is Aabb and aabb also the proportion of brown fleece(coat) is 3/16.
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Centimeter is the Si unit of length Statement given below is incorrect write the correct statement.
Answer:
Centimeter is the SI unit of length. The distance light travels in a year is measured in light-years. The length of a marathon is measured in miles. The mass of the sun is measured in solar masses. The distance across the universe is measured in kilometers. The length of a nanometer is measured in angstrons. The distance across an atom is measured in picometers. The distance across a subatomic particle is measured in attometers. The mass of an electron is measured in kilograms. The number of protons in an atom is measured in avogadros.
Explanation:
which layer of the atmosphere has the highest layer of gas molecules
Answer:
Troposphere
Explanation:
The mixture of gas molecules is no longer consistent and molecules with higher mass sink to lower layers. Therefore the Troposphere is the lower layer so it contains the highest gas molecules.
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Which of the following questions is the first to be answered when identifying unidentified remains?
"Are there others nearby
is the person dead?"
"Is the person dead?"
"Are the remains human?"
When a stone is dropped into water, it disturbes the surface of the water, this is called
When a stone is dropped into water, it disturbs the surface of the water, and this is called "ripples" or "waves".
The disturbance caused by the stone creates waves that travel away from the point where the stone entered the water. These waves can be seen as ripples spreading outwards from the point of impact. The size and shape of the ripples depend on various factors, such as the size and weight of the stone and the depth and temperature of the water.
As the waves move away from the point of impact, they carry energy with them. This energy is transferred to the water molecules as the waves pass by, causing them to move up and down. The movement of the water molecules creates a wave pattern that can be seen on the surface of the water.
The ripple effect caused by a stone dropped into water is a simple example of how energy is transferred through a medium. It is also a common visual metaphor used to describe the way in which small actions can have large and far-reaching consequences, as the ripples caused by the stone continue to spread outwards in all directions, affecting everything in their path.
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True or false statement ? The atmosphere of Venus is dense and mostly made of carbon dioxide?
Answer:
True. The atmosphere of Venus is the layer of gases surrounding Venus. It is composed primarily of carbon dioxide and is much denser and hotter than that of Earth. The temperature at the surface is 740 K (467 °C, 872 °F), and the pressure is 93 bar (1,350 psi), roughly the pressure found 900 m (3,000 ft) underwater on Earth.
Explanation:
From the examples below, select the examples of cells or organisms responding to stimuli in order to maintain homeostasis.
Example of cells or organisms responding to stimuli in order to maintain homeostasis
A unicellular organism beating microscopic hairs to escape a chemical pollutant in its environmentA plant bending toward a light sourceAnts moving within their mounds depending on the time of dayIguanas laying in the sunlight if their body temperature is lowA person shivering when their body temperature is low.What is homeostasis?Homeostasis is the process by which the body maintains a fairly constant environment at all times.
Homeostasis is important to organisms because the cells of the body can only perform their metabolic functions efficiently within certain physiological conditions.
Example of cells or organisms responding to stimuli in order to maintain homeostasis include the following:
A unicellular organism beating microscopic hairs to escape a chemical pollutant in its environment so that the internalenvironment is not adversely affected by the pollution in the external environment A plant bending toward a light source in order to receive more light required for growth and production of food. Ants moving within their mounds depending on the time of day in order maintain their body temperatures within the optimum range requiredfor continuous body functions.Iguanas laying in the sunlight if their body temperature is low in order maintain their body temperatures within the optimum range requiredfor continuous body functionsA person shivering when their body temperature is low in order maintain their body temperatures within the optimum range requiredfor continuous body functions.In conclusion, homeostasis helps organisms respond and adapt to changes in their environment.
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What did the purple sea stars help to do on Tatoosh Island?
Answer:
"In the 1960's, the purple sea star was one of the first species recognized as a keystone. Its presence keeps tide pools in balance and prevents mussels from taking over the ecosystem."Explanation:
A student investigates a negatively charged piece of wool and a positively charged piece of silk.
Which describes what happened when she held the wool and silk close to each other?
A.
The wool and silk repelled each other.
B.
The wool and silk were attracted to each other.
C.
The wool was attracted to the silk, and the silk repelled the wool.
D.
The wool was repelled by the silk, and the silk was attracted to the wool
Whats the answer
Answer:
B. The wool and silk were attracted to each other.
Explanation:
When a negatively charged object, such as the wool, is held close to a positively charged object, such as the silk, an electrostatic force of attraction is generated between them due to the opposite charges. This force causes the objects to move towards each other, so the wool and silk would be attracted to each other. Therefore, option B describes what happened when the student held the wool and silk close to each other.
The pedigree below shows inheritance of an X-
linked trait in a family. Based on the inheritance
pattern, what is the genotype of the person in
generation III (third generation), letter b?
Generation
11
111
TOOOD
500
Pedigrees have multiple uses. One of them is getting to know an individual's genotype. In the e xposed example, the individual IIIb is X-Y.
What is a pedigree?
A Pedigree is the representation of a family's history. This graph is used to track a trait through different generations, and analyze the inheritance pattern of a particular gene and its expression.
It is a tool used to understand how genes are transmitted from the parental generation to the descendants, and what are the probabilities of inheriting them.
In sex linked inheritance, we need to remember that the gene coding for the trait is linked to the sex-chromosome (in this case, the X-chromosome).
In pedigrees, usually affected individuals or individual carring the trait are representes with solid black figures.
Individual IIIb is a black square, meaning it is an affected man. Its genotype is X-Y. The X-chromosome is carrying the recessive allele (-).
In the attached files you will find the pedigree with the genotype of each member of the family. Notice that individuals X+X represent either homozygous dominant or heterozygous females.
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5. A student examines the winged insect shown below. Order Go 103 Mantodea Raphidioptera Coleoptera Dichotomous Key Sep Characteristics Insect has an extremely long prothorax (neck) Insect has a short or no prothorax Forelegs come together in a "praying" position Forelegs do not come together in a "praying" position Wings are armor-like with mermbranous hind Wings undereath Wings are not armor-like Wings are triangular in shape Wings are not triangular in shape and head is elongated Insed lacks a proboscis (long, slender snout) and has long filaments at abdominal up Insect has a proboscis and lacks long filaments at abdominal tip Go to 4 Go te 5 Mecoptera Ephemeroptera Lepidoptera Based on the dichotomous key, in what order should this insect be classified? A. Mantodea B. Raphidioptera C. Coleoptera D. Lepidoptera
Answer:
I’m not sure if it’s correct but I thinks it’s A
Explanation:
Looked it up online
Answer:
Its C - Coleoptera
Explanation:
The greatest snowfall on a single day in recorded history occurred in Silver Lake, Colorado, in April, 1921. Approximately how many inches fell?
Answer:
87 Inches
Explanation:
In 27 1/2 Hours
Answer:
75.8 inches of snow fell in Silver Lake
PARTS OF A CELL---
could someone help me fill in the rest of the blanks?
Cytoplasm
granules
intermediate filimants
chloroplasts
golgi apparatus
Study the image, which describes how rapid changes in weather conditions occur.
How rapid changes in weather conditions occur. Arrow labeled Direction of frontal movement points right toward Cold front map symbol. Arrow labeled Rising warm air in front of cold front points from cold front to sky. Also labeled are: Development of clouds because of upward movement of warm air, and Advancing cold air behind cold front.
Based on the arrows, what does the image represent?
Air masses are barely moving.
Air masses are colliding with each other.
Jet streams are forming in the upper atmosphere.
Weather conditions are remaining steady and unchanged.
The image represents air masses colliding with each other, leading to rapid changes in weather conditions.
The image represents the process of rapid changes in weather conditions occurring. The arrows in the image indicate various elements and phenomena related to these changes.
At the top, the final answer is that the image represents "Air masses are colliding with each other."
1. The arrow labeled "Direction of frontal movement" points right toward the "Cold front" map symbol. This indicates the movement of a cold front.
2. The arrow labeled "Rising warm air in front of cold front" points from the cold front upward into the sky. This signifies the upward movement of warm air.
3. The image also shows the development of clouds due to the upward movement of warm air. This indicates the presence of moisture in the atmosphere.
4. Finally, the image depicts advancing cold air behind the cold front, indicated by an arrow. This cold air is moving in the direction of the warm air.
Putting all these elements together, we can conclude that the image represents air masses colliding with each other. The cold front is advancing and pushing against the warm air, leading to the formation of clouds and changes in weather conditions. This collision between air masses often results in rapid changes in weather patterns, such as storms, rain, or temperature fluctuations.
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Heat can be caused by
A. a decrease in friction
B. an increase in friction
C. friction remaining at zero
Answer:
B. an increase in friction
Explanation:
Answer:
B an increase of friction
Explanation:
Rub your hands together and you will probably feel it warm up a little, that's the friction.
What is not true about parasite-host relationships? A. Both can be animals B. One can be a plant and the other an animal C. Both can be plants D. One must be an animals and the other one a plant
Answer:
one can be a plant and the other an animal
Put yourself in the role of each of the following people:
A concerned citizen
A farmer
An Ohio Environmental Protection Agency administrator
A state legislator
Come up with at least one suggestion for reducing the nitrogen load to the Oak Openings while playing each role. List your suggestions from each person here.
The suggestions from different persons for reducing the nitrogen load are as follows-
Concerned citizen- There must be a policy to limit the nitrogen emissions from the exhaust of vehicles which are some of the largest emitters of nitrogen oxides.
Farmers - Improved nitrogen management.
Winter cover crops.
Increasing perennials in the cropping system. Practices that reduce delivery of nitrate to the field's edge.
An ohio environmental protection agency administrator - Drainage water management (controlled drainage)
Reduced drainage intensity.
Recycling drainage water.
Bioreactors.
Wetlands.
A state legislator- Laws prohibiting unlawful use of nitrogen and should executed strictly.
Drag each item to indicate whether it describes a benefit or a challenge of green roofs.
We can see here that dragging each item to indicate whether it describes a benefit or a challenge of green roofs, we have:
Benefit of green roofs:
absorption of carbon dioxide regulation of urban climate.What is green roof?A building's roof that is partially or entirely covered with plants and a growing media, planted atop a waterproofing membrane, is referred to as a green roof or a living roof.
Moreover, it could have root barriers, drainage, and irrigation systems as additional layers. Although there is some controversy, container gardens atop roofs, where plants are kept in pots, are not typically considered to be true green roofs. Another type of green roof that is used to remediate greywater is rooftop ponds.
Challenge of green roofs:
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What is the difference between anaerobic
respiration and aerobic respiration?
a. Aerobic respiration requires oxygen whereas
anaerobic respiration does not require oxygen to
occur
b. Anaerobic respiration results in lactic acid
formation whereas aerobic respiration results in
alcohol fermentation
Answer:
The answer is A, Aerobic respiration requires oxygen whereas anaerobic respiration does not require oxygen to occur.
Which of the following processes releases carbon into the air? (5 points)
Answer:
Explanation:
Combustion of fossil fuels: Burning coal, oil, and natural gas to produce energy releases carbon dioxide (CO2) into the atmosphere.
Other processes that can release carbon into the air include:
Deforestation: Trees absorb carbon dioxide through photosynthesis, and cutting down forests can release the carbon stored in the trees and soil.
Volcanic activity: Volcanic eruptions can release carbon dioxide and other greenhouse gases into the atmosphere.
Decomposition: When organic matter such as plants, animals, and other living organisms decompose, they release carbon dioxide and other gases into the atmosphere.
Ocean outgassing: The ocean absorbs and releases carbon dioxide as part of its natural cycles, and some of this carbon can be released into the air.
It's important to note that while some of these processes are natural, human activities such as burning fossil fuels and deforestation have significantly increased the amount of carbon dioxide in the atmosphere, leading to climate change.
What is relationship between genes dna and proteins
Answer:
genes are created by proteins. dna is created by genes
Explanation: