Answer:
independent assortment;
Explanation:
During metaphase I, maternal and paternal homologs line up randomly at the metaphase plate.
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b. Describe how an effort to preserve a species of elephant could affect an area where elephants have been hunted extensively. (0.5 point)
Traits that are controlled by several sets or pairs of alleles, such as skin color and height in humans, are the result of what form of inheritance?.
Polygenic inheritance occurs when a trait is controlled by several pairs of genes, traits such as skin color and height in humans are the result of it.
What is polygenic inheritance?It is used to refer to the inheritance of quantitative traits that occurs when a character is due to the action of more than one gene that may also have more than two alleles.
That is, it occurs when a characteristic is governed by two or more sets of alleles, there are traits, such as weight, skin color, height, which are governed by the cumulative effect of many genes.
Therefore, we can conclude that polygenic inheritance occurs when a trait is controlled by several pairs of genes, traits such as skin color and height in humans are the result of it.
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Which compound is produced when bacteria convert atmospheric nitrogen in the process if nitrogen? fixation?
nitric acid
ammonia
nitrogen gas
phosphorus
In the process of nitrogen fixation, the compound that is produced by bacteria from atmospheric nitrogen is ammonia.
What is nitrogen fixation?This is a chemical and biological process in which bacteria take atmospheric nitrogen (N2) and convert it into different nitrogen-derived substances.
What is the importance of this process?This process is essential for life as it provides plants with nitrogen rich substances they can use as atmospheric nitrogen cannot be taken by plants.
What is the product of this process?There are three main products:
Ammonia (NH3)Nitrates (N02)Nitrites (NO3)Learn more about nitrogen in: https://brainly.com/question/16711904
Answer:
Ammonia
Explanation:
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Why does it make good metabolic sense for phosphoenolpyruvate carboxykinase, rather than pyruvate carboxylase, to be the primary target for the regulation of gluconeogenesis at the level of control of enzyme synthesis?.
Because oxaloacetate is required by the body for other metabolic pathways, it is best to regulate gluconeogenesis at the level of synthesis of phosphoenolpyruvate carboxykinase.
What is metabolic regulation?Metabolic regulation refers to the various mechanisms employed by the cells and tissues to regulate metabolic activities in the body.
One form of metabolic regulation is gene expression regulation.
Phosphoenolpyruvate carboxykinase converts oxaloacetate to phosphoenolpyruvate while pyruvate carboxylase converts pyruvate to oxaloacetate.
Since oxaloacetate is required by the body for other metabolic pathways, it makes sense to regulate gluconeogenesis by regulating level of synthesis of phosphoenolpyruvate carboxykinase.
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What are differences between cattle and human respiratory systems?
Explanation:
Humans have lungs, cows have lungs, and whales have lungs along with many others. However, not all animals use lungs to breathe. Fish use gills to breathe. However, not all fish use, or have to use gills
Complete the sentence. _____ is relatively lightweight and easy to transport through a series of pipes to refineries that form different fuels. Coal
Steam
Crude oil
Natural gas
Fuels are the energy-providing substances that drive machines and vehicles. Crudeoil is lightweight and easy to transport fuel. Thus, option C is correct.
What is crude oil?Crude oil also called unrefined petrol that is a thick and viscous liquid but is light in weight and can be easily transported through the pipes in the refineries.
They vary in composition which makes different fossil fuels. Coal are solid material that cannot be transported and similarly, natural gas and steam are gaseous substances.
Therefore, crude oil is the correct blank.
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The formation of dermal bones begins when aggregated mesenchymal cells differentiate and begin producing osteoid. These aggregations where bone formation gets started are known as _____________.
five ways water is important to you in your daily life.
Answer:
bathing,cooking,washing clothes , cleaning, drinking
Explanation:
Why does physarum polycephalum branch out like a plant or fungus?
Answer:
Physarum first grows as single-celled amoebae, but the amoebae fuse, and the organism loses its 'cellular' makeup. As the organism continues to grow, nuclei divide without cell division. The resulting bag of nuclei is called a 'coenocyte' or 'plasmodium'.
Explanation:
If deer are not hunted legally every season, a potential result is? 100 POINT QUESTION BETTER GET IT RIGHT
1)the predator population will decrease
2)the smaller herbivore population will decrease.
3)the plant population will increase.
4)the deer population will decrease.
Answer:
if we don't kill deer there would be a increase in population and a decrease in the food they eat so number 2 is correct
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what means to divide a material into its various parts?
Answer:
It means to analyze, dissect, and break down means to divide a complex whole into its parts or elements.
Explanation:
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Vitamins can readily be destroyed during processing because they ________. a. are precursors. b. contain nitrogen c. are organic d. support growth e. support digestion
The reason why vitamins can be readily destroyed during processing is that vitamins are organic components.
What is the meaning of organic?In chemistry, the word organic is used to refer to compounds that contain carbon.
How does this affect vitamins?One of the main effects of vitamins being organic components is that they can be easily destroyed as carbon can react with many different substances.
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A student set up an experiment to investigate osmosis as shown in Figure 9
The student used visking tubing which is a partially permeable membrane.
The student put 25cm (cubed) of 20% sucrose solution into visking tube 1 and 25cm (cubed) of distilled water into visking tube 2. Both tubes were placed in a 5% sucrose solution and left for 1 hour.
Explain how (will they increase/decrease in size) and why( will water be leaving the potato by
osmosis or moving into the palato by osmosis) tube 1 and tube 2 would look different after one
hour.
The size of tube 1 will eventually rise due to the entry of water. As a result of this, it will swell due to osmosis. While tube 2 would stay the same as the initial size.
What is Osmosis?Osmosis may be defined as the process through which the movement of solute molecules may take place from a lower concentration of solution to a higher concentration of solution through a semipermeable membrane. It is also called the net movement of water across a semipermeable membrane.
According to the context of this question, the actual reason for this increase in the size of the tube is due to osmosis, water will enter tube 1 in order to dilute the sucrose. Due to this, tube 1 may increase in size. But on contrary, the size of tube 2 remains the same because there is no need for dilution of the solution in which it is placed.
Therefore, the size of tube 1 will eventually rise due to the entry of water. As a result of this, it will swell due to osmosis. While tube 2 would stay the same as the initial size.
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True or False: Trilobites walked among flowering plants
Explanation:
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False ,
Because Trilobites extincted 250 million years ago but the first flowering plant appeared at Cretaceous period.
Some scientists would say that nucleic acids are
the most important molecules in living cells;
others might suggest that proteins are more
important; and some might say that life could
not continue without a supply of carbohydrates.
Write a sentence in support of each of these
points of view.
Answer:
In my pov:The nucleic acids are the most important molecules in living cells beacuse It is the macromolecules for the continuity of life. They carry the genetic blueprint of a cell and carry instructions for the functioning of the cell. The proteins are more important because Our body needs protein to stay healthy and work the way it should. More than 10,000 types are found in everything from your organs to your muscles and tissues to your bones, skin, etc. Protein is also a critical part of the processes that fuel your energy and carry oxygen throughout your body in your blood.The life could not continue without a supply of carbohydrates beacuse Carbohydrates are important to the daily lives of living organisms. They store energy (starches), provide energy for cells (glucose), and provide structure to plants and some animals.The kidneys help regulate blood pH by excreting ___________in the urine and by reabsorbing _____________.
Answer:
The kidneys help maintain the acid–base balance by excreting hydrogen ions into the urine and reabsorbing bicarbonate from the urine
Please help... ;-;
What would happen if one or more of either of the spring’s structures was not the right shape? Give an example.
Answer:
I think it wouldn’t make what it’s needed for work properly, it could cause it to not fit or work at all.
Explanation:
I hope it helps! Have a great day!
Muffin~
It make what it’s needed for work properly, it could cause it to not fit or work at all.
What is Springs structure?The Spring framework, sometimes known as Spring, has arisen as a response to all of these issues.
This framework eliminates the complexity associated in designing enterprise applications using EJB by leveraging a variety of innovative techniques, including as dependency injection (DI), aspect-oriented programming (AOP), and plain old Java objects (POJO).
Dependable, and scalable enterprise applications can be created by Java EE 7 developers using the open source, lightweight Spring framework. The primary goal of this framework is to offer you a variety of tools for managing your business objects.
Therefore, It make what it’s needed for work properly, it could cause it to not fit or work at all.
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What is the name of the structures that
are built to recognize specific invaders
and trigger an immune response?
A. antibodies
B. antigens
C. macrophages
Answer:
C
Explanation:
Macrophages is a type of white blood cell. This basically finds out if there is an invader, and stimulates an immune response. Note that, this is not the only function of this structure.
The structures that are built to identify and recognize specific foreign agents and activate the immune system are antibodies, Therefore, option A is correct.
What are antibodies?Antibodies, also known as immunoglobulins, are Y-shaped proteins that are produced by B cells in response to the presence of specific antigens in the body, such as viruses, bacteria, or other foreign substances.
Each antibody molecule is composed of four protein chains, two identical heavy chains, and two identical light chains, that are joined by disulfide bonds. Antibodies are a key component of the adaptive immune system, which is responsible for recognizing and eliminating specific invaders.
Antibodies play a critical role in protecting the body against infections, as well as in the development of vaccines and other immunotherapies. Therefore, option A is correct.
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what should joy do to control mosquitoes at home
Answer:
Make a fire in firepit
Explanation:
Which part of a cell will identify it as prokaryotic or eukaryotic?.
Comparing prokaryotes and eukaryotes:
The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. which is where the nucleus eukaryotes store their genetic information.
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the
Diffusion of substances occurs ___ the concentration gradient.
Answer:
high concentration to low concentration
Explanation:
particles bounce off of eachother and through probability the higher amount of concentrated particles the more likely for them to bounce and move to an area of low particle count
Which of the following is a signal from the environment?
a
OA stimulus
O B.
response
O C.
reflex
OD. instinct
Answer:
A. Stimulus
Explanation:
Trust, hope this is helpful !!!
can hydrochloric acid activate pancreatic lipase?
Any sensory neuron detects stimuli within an area called its ____________ field.
Receptive field is a region where sensory neuron detects stimuli within an area.
What is receptive field?.The receptive field of a neuron is the part or region in any organ system within that help to in stimulation of neurons which can affect the the electrical response of the neursons.
Examples of receptive field are found in cochlea of auditory system, visual system, skin, tongues and so on.
Therefore, Receptive field is a region where sensory neuron detects stimuli within an area.
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What is atmospheric perspective? a. the effect produced by rounding objects to appear three-dimensional. b. the effect produced by techniques that make objects appear to go back into the distance, creating a realistic look. c. the effect produced by diffusion of light in the atmosphere whereby more distant objects have less clarity of outline and are lighter in tone. please select the best answer from the choices provided a b c
The Atmospheric perspective is the effect produced by diffusion of light in the atmosphere whereby more distant objects have less clarity of outline and are lighter in tone.
What is atmospheric perspective?Atmospheric perspective refers to a form.of illusional effect and atmosphere produce or reflect on an object. It is also the method use to create the illusion of depth in a painting or drawing work by changing the colour so as to simulate changes effected by the atmosphere on the colours of things seen at a distance.
Therefore, The Atmospheric perspective is the effect produced by diffusion of light in the atmosphere whereby more distant objects have less clarity of outline and are lighter in tone.
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Answer:
Its CExplanation:
Do you think human population growth is a concern in the United States? Explain your reasoning.
Answer:
In my opinion, Yes the human population growth is a concern in the United States because Human population growth impacts the Earth system in a variety of ways, including:
Increasing the extraction of resources from the environment. These resources include fossil fuels (oil, gas, and coal), minerals, trees, water, and wildlife, especially in the oceans. The process of removing resources, in turn, often releases pollutants and waste that reduce air and water quality, and harm the health of humans and other species.Increasing the burning of fossil fuels for energy to generate electricity, and to power transportation (for example, cars and planes) and industrial processes.Increase in freshwater use for drinking, agriculture, recreation, and industrial processes. Freshwater is extracted from lakes, rivers, the ground, and man-made reservoirs.Increasing ecological impacts on environments. Forests and other habitats are disturbed or destroyed to construct urban areas including the construction of homes, businesses, and roads to accommodate growing populations. Additionally, as populations increase, more land is used for agricultural activities to grow crops and support livestock. This, in turn, can decrease species populations, geographic ranges, biodiversity, and alter interactions among organisms.Increasing fishing and hunting, which reduces species populations of the exploited species. Fishing and hunting can also indirectly increase numbers of species that are not fished or hunted if more resources become available for the species that remain in the ecosystem.Answer:
Yes the human population growth is a concern in the United States because Human population growth impacts the Earth system in a variety of ways, including:
Increasing the extraction of resources from the environment. These resources include fossil fuels (oil, gas, and coal), minerals, trees, water, and wildlife, especially in the oceans. The process of removing resources, in turn, often releases pollutants and waste that reduce air and water quality, and harm the health of humans and other species.
Increasing the burning of fossil fuels for energy to generate electricity, and to power transportation (for example, cars and planes) and industrial processes.
Increase in freshwater use for drinking, agriculture, recreation, and industrial processes. Freshwater is extracted from lakes, rivers, the ground, and man-made reservoirs.
Increasing ecological impacts on environments. Forests and other habitats are disturbed or destroyed to construct urban areas including the construction of homes, businesses, and roads to accommodate growing populations. Additionally, as populations increase, more land is used for agricultural activities to grow crops and support livestock. This, in turn, can decrease species populations, geographic ranges, and biodiversity, and alter interactions among organisms.
Increasing fishing and hunting, which reduces species populations of the exploited species. Fishing and hunting can also indirectly increase the number of species that are not fished or hunted if more resources become available for the species that remain in the ecosystem.
Explanation:
How is alpine tundra different from Arctic and Antarctic tundra?
Alpine tundra plants are not adapted to conserve water.
Alpine tundra is much colder than the Arctic and Antarctic tundra.
Alpine tundra areas are found only at high elevations.
There are trees in the alpine tundra but not in the other kinds of tundra.
Answer:
Alpine tundra areas are found only at high elevations.
Explanation:
The arctic tundra is a specific region that covers the northernmost parts of the world from the north pole and extending south, whereas alpine tundra are found across the world at high altitudes.
Answer:
Alpine tundra areas are found only at high elevations.
Explanation:
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Which statement is true of meiosis ?
A. Organisms use meiosis to grow
B. Organisms use meiosis to replace blood cells
C. Organisms use meiosis to repair damaged cells
D. Organisms use meiosis to make reproductive cells
What would occur if the anthers were removed from a flower?.
Answer:
The flower would not be able to pollinate by itself.
Explanation:
The function of the anther is to produce pollen