Answer:
1,190 were eventually deregulated and allowed to be sold.
Explanation:
As you may already know, in order for a seed producer to sell transgenic seeds and plants, or any other genetically modified product, he will need to request an evaluation of his production. This is because it is necessary to guarantee that the transgenic seeds will not cause any harm to any living being, nor has the potential to become a pest.
However, the production of transgenic products has grown more and more each year, which means that the increase in requests for evaluation of production is increasing. As an example of this, we can mention the 11,600 requests to the USDA from seed producers for transgenics that have occurred since 1987, of which 1,190 were eventually deregulated and allowed to be sold.
How does solar energy affect the weather patterns we see?
How is the cloning of genes different from the cloning of mammals
Answer: cloning genes is when you remove a particular gene from the DNA sequence using restriction enzymes. cloning animals is making another replica of the same animal.
Explanation: DNA microarrays are used to study interactions among genes in a genome.
Gene cloning in mammals is different from other organisms because of the mammal cloning is riskier and harder than others as it can cause health issues.
What is Gene cloning?
Gene cloning means the formation of exact same DNA copy or gene copies through the use of genetic engineering techniques. The DNA molecule is extracted from an organism and the gene is then copied and a clone of this gene is formed. Gene cloning is one of the methods which is used for the isolation and amplification of specific genes of the genetic material.
Mammal cloning is different from cloning of genes in other organisms as it is riskier and harder than other organisms because it takes multiple try and can also cause health issues if not inserted properly. Cloning a gene in other organisms such as bacteria is almost always functional and no problems occur with it. It is also easier to clone a gene in an organism then a whole mammal.
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Which of the following is true in a climax community? * 10 points The community will constantly evolve and change If one species dies, a new species will fulfill the same role They are stable for a long time, with the same species maintaining their population Ut goes through a major change called "climax" every few hundred years
Answer:
It is true that climax communities are stable for a long time, with the same species maintaining their population.
Explanation:
Climax is the final, relatively stable state of successive ecosystems that occurs as a result of shifts, or successions, and to a large extent corresponds to the environmental conditions of a particular area. Climax depends on climatic factors, on local soil characteristics and on human impacts on nature.
Theoretically, the climax community can support itself indefinitely, all its internal components are balanced with each other, and it is in equilibrium with the physical environment.
Which type of cnidarian is found commonly in both salt water and fresh water?
a. hydras
b. jellyfish
c. corals
d. sea anemones
Answer:
A) Hydras
Explanation:
Answer:
A: hydras
Explanation:
got it right on edge
Pre-Test
Active
TIME REMAINING
55:47
In a scientific investigation, the term "quantitative data" refers to numbers that are usually followed by
Answer:
a.) units
Explanation:
just took the test and got it right
The selection of traits at opposite ends of the spectrum is considered ...
A, disruptive selection
B, directional selection
C, stabilizing selection
Answer:
A?
Explanation:
The selection of traits at opposite ends of the spectrum is considered is disruptive selection.
What are the principles of natural selection?For natural selection to occur, four basic conditions are necessary:
Reproduction: organisms must reproduce to form new generations; Variability: there must be differences between individuals in the population; Heredity: Descendants must inherit characteristics from their parents.In this case we have the Disruptive selection is one in which extremes are favored and intermediate organisms are eliminated. An example of this type of selection can be seen in some African finches that are adapted to eating seeds.
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Describe the general structure of the monomers
Answer:
The monomer is an amino acid, and I will describe it below. :)
Explanation:
Rubisco is an enzyme found in plants, and its job is to fix carbon. Since we know it is an enzyme, we also know it is a protein since pretty much all enzymes are proteins. The monomer of proteins is the amino acid.
The structure of an amino acid looks like this (see the picture). On one side we have a basic amino group, on the other side we have an acidic carboxyl group. The combination of the amino group and acid group gives us the name amino acid. Also notice that there is the R group. Each amino acid has the same basic structure (with the amino group and carboxyl group), but the unique R group is what gives the particular amino acid its unique characteristics. There are about 20 different kinds of R groups which is why there are 20 different types of amino acids.
So, having a non-polar R group would allow it to interact with a hydrophobic amino acid in another Rubisco molecule.
Monomers are the basic unit of polymers. They are composed of carbon, oxygen, and hydrogen atoms, joint by covalent bonds. There are different monomers which vary in structure, such as nucleotides and amino acids.
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Monomers are the basic unit of polymers. When many monomers join through chemical bonds, through the polymerization process, they form a polymer.
There are many types of monomeric molecules. To name a few, we can mention
Monomer Polymer
Monosaccharide ⇒ CarbohydratesFatty acid ⇒ LipidsAmino acid ⇒ ProteinsNucleotide ⇒ Nucleic acids
Monomers are organic molecules of reduced molecular mass. They are basic units relatively simple, with a defined structure.
Monomers are composed of carbon, oxygen, and hydrogen atoms, which establish covalent bonds.
For instance,
Nucleotides are monomers composed of a sugar molecule, joined with a phosphate group and a nitrogenated base.Amino acids are monomers composed of a central carbon, one hydrogen atom, one carboxyl group, one amine group, and one R group. The composition of the R group is what makes them different from each other.Every monomer has a free H atom and a hydroxyl group (-OH) in the extremes. When two monomers get together, the H atom and the -OH join to form a water molecule, which is released. The result is a polymer of two monomers and H₂O.
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How do consumers obtain the carbon that they need for their life processes?
They breathe it in from the surrounding air.
They break down the plants and animals they eat.
They absorb it from the surrounding soil.
They absorb it from water through their pores.
PLEASE HELP!!!
Consumers obtain the carbon that they need for their life processes by breaking down the plants and animals they eat.
How do consumers obtain energy?Consumers must consume other species in order to get their nutrition and energy. Animal feces and remnants are broken down by decomposers to provide energy.About 10% of the total solar energy is exclusively obtained by primary consumers from the producers they consume. The remaining 90% is either lost as heat or utilized by the producer for growth, reproduction, and survival. Secondary consumers eat primary consumers.The function of consumers in an ecosystem is to gather energy by feeding on other species and occasionally to transfer energy to other consumers.Other creatures in a food chain and ecosystem may be impacted by changes that affect consumers.learn more about consumers here:
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Why is genetic variation important? Select all that
apply:
because individuals cannot evolve without it
because populations can survive in a variety
of different situations
because the environment is constantly
changing and different alleles are favored in
different situations
Answer:
because populations can survive in a variety of different situations
because the environment is constantly changing and different alleles are favored in different situations
Explanation:
Which statement describes the weather and climate in a tropical region?
The angle of the Sun’s rays affects daylight hours, creating warm temperatures all year.
The temperature is different in summer and winter because the region is at a high elevation.
The angle of the Sun’s rays controls the amount of precipitation experienced in the region.
Rain in the summer and drought in the winter occur because the region is at a high elevation.
Answer:
The angle of the Sun’s rays affects daylight hours, creating warm temperatures all year.
Explanation:
Answer:
A. The angle of the Sun’s rays affects daylight hours, creating warm temperatures all year.
Explanation:
:)
Describe what would likely happen to the whales and other consumers in a marine ecosystem food web if a disease killed off most of the phytoplankton
Answer:
The amount of whales and other consumers in the marine ecosystem would decrease because there is less phytoplankton which is many consumers food source. less food means less consumers.
Explanation:
At the type of plate boundary shown in the image above, two plates are sliding past each other. Which type of plate boundary is shown in this image?
A.
transform
B.
convergent
C.
divergent
D.
collision
Answer:
A transform plate boundary
These are all forms of movements, but by definition, if they slide past each other, it's transform!
What happens to sedimentary rocks on Earth’s surface?
Answer:
Because erosion only happens on the earth's surface sedimentary rocks are only formed on the earth's surface. Sedimentary rocks will be changed into igneous and metamorphic rocks if the sedimentary rocks are buried deep below the earth's surface.
Explanation:
Type the correct answer in the box. Round your answer to the nearest hundredth.
Scarlett is trying to find the height of a dam. She stands 90 meters away from the dam and records the angle of elevation to the top of the dam to be 26º.
Scarlett's height is 1.65 meters, so the height of the dam is meters.
Answer:
The height of a dam:
h = x + 1.65 m,
x = 90 m · tan 26°
x = 90 · 0.4877
x = 43.90
h = 43.90 m + 1.65 m = 45.55 m
The height of the dam is 45.5 m.
Explanation:
The height of the dam will be "45.55 m". A complete solution is below.
According to the question,
The height of dam,
[tex]h = x + 1.65 \ m[/tex]
Now,
→ [tex]x = 90 \ m\times tan 26^{\circ}[/tex]
By substituting the values, we get
[tex]= 90 \ m\times 0.4877[/tex]
[tex]= 43.90[/tex]
hence,
The height of dam will be:
→ [tex]h = 43.90 \ m + 1.65 \ m[/tex]
[tex]=45.55 \ m[/tex]
Thus the above response is appropriate.
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Which diagram shows an example of refraction?
Which situation most likely involves the hormone gibberellin ?
A. The development of new seedlings
B. The onset of winter dormancy
C. The growth of top- located buds
D. The response of a plant to gravity
Gibberellins are plant hormones involved in various growth processes, including seed germination. Therefore, the use of gibberellin would most likely be seen in the development of new seedlings.
Explanation:Gibberellins are a category of plant hormones that play an essential role in different growth processes, including seed germination, stem elongation, and leaf and fruit development. In light of these functions, the option A. The development of new seedlings most likely involves the hormone gibberellin. During the seed germination process, gibberellins stimulate the growth and development of seedlings by helping in the mobilization of stored food in the seed and sending signals for the seed to break dormancy.
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The situation that most likely involves the hormone gibberellin is A. The development of new seedlings.
Gibberellins are plant hormones that stimulate several processes, including shoot elongation, seed germination, and fruit and flower maturation. Specifically, gibberellins break dormancy in seeds, which is typically a state of inhibited growth and development.
These hormones do so by activating the transcription of genes encoding for enzymes like amylase which break down stored starches in the seed into simpler sugars necessary for the growth of the seedling. Moreover, gibberellins promote the cell elongation of young roots during the germination process.
When water is available, it activates gibberellins, leading to seed germination; conversely, the absence of water leads to increased abscisic acid which inhibits gibberellins and thus prevents germination.
A ______ is a substance containing incomplete portions of a virus that produce an immune response when injected into the body.
Answer:
Vaccine
Explanation:
A vaccine contains an alive but not lethal amount of a virus so that when you get injected, your antibodies can recognize the virus quicker in the event that you do get the virus. Hope this helps :)
Answer:
Vaccine
Explanation:
second question is C edg2020
Marine debris is best described as being composed of
Answer: Marine debris consists of most anything used and discarded by humans.
Explanation:
The human activities like household chores, packaging and dumping wastes generated a lot of harmful wastes which cannot be treated and thus they pollute the environment.
The polythene bags, plastic sheets, and plastic broken parts of articles can become chief pollutants as they are discarded by the humans. These pollutants can be carried away by the water currents to the seashores and may deposit them in the marine debris.
Glaciers erode land through which two processes?
chemical weathering and deflation
deflation and abrasion
plucking and abrasion
plucking and deflation
Answer:
Glaciers erode land through Plucking and Abrasion.
Glaciers are mass form of ice found in the high altitudes. During summer the glaciers melt down and rich source of pure water is obtained. Glaciers erode through two main processes and they are plucking and abrasion.
-Hops
The two main process by which Glaciers erode are;
Plucking and AbrasionWhat is glaciers?A glacier is a persistent body of dense ice that is constantly moving under its own weight.
Glaciers are mass form of ice found in the high altitudes. Glaciers is affected by temperature. During summer the glaciers melt down and rich source of pure water is obtained.
Process by which glaciers erodeThe two main process by which Glaciers erode are;
Plucking and Abrasion.Thus, Glaciers erode land through plucking and abrasion.
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Why did the light colored moths originally thrive
revolution?
Pls help I will mark bainiest. Answer first
Which of the following is the correct definition of radiant energy? A. energy that is transmitted in the form of electromagnetic waves B. energy created by sound waves C. energy an object has because of its motion or position D. energy resulting from the flow of charge particles, such as electrons or ions
Answer:
A. energy that is transmitted ind the form of electromagnetic waves
Explanation:
Radiant energy is energy that travels by waves or particles, particularly electromagnetic radiation such as heat or x-rays.
Answer:
A. energy that is transmitted ind the form of electromagnetic waves
Explanation:
Which of the following statements is true of the process shown below? A. The cells formed at the end of the process only have half of the chromosomes as the original cells. B. The cells formed at the end of the process are identical to the original cells. C. The cells formed at the end of the process do not contain any of the genetic material from the original cells. D. The cells formed at the end of the process contain the same number of chromosomes as the original cells.
The statements is true of the process shown below is that the cells formed at the end of the process only have half of the chromosomes as the original cells. Thus, option A is correct.
Where the formation of cell takes place?The cells formed at the end of the process are identical to the original cells. The cells formed at the end of the process do not contain any of the genetic material from the original cells. When a cell undergoing cellular division identifies that a chromosome misalignment had taken place the cell cycle stops until the error it's corrected.
Option two of the question states that the cell cycle will proceed uncontrollably, this is not the case for the error at hand. Although this can be a problem for cells and leads to the appearance of cancer, it is not caused by chromosome misalignment.
The stop or delay in the cell cycle is what normally takes place in these situations. This stoppage is done by the spindle checkpoint, which prevents duplicate chromosomes from separating.
Therefore, The statements is true of the process shown below is that the cells formed at the end of the process only have half of the chromosomes as the original cells. Thus, option A is correct.
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is the heart an organ or muscle?
Answer: Muscle
Explanation:
Your heart is actually a muscular organ. An organ is a group of tissues that work together to perform a specific function. In the case of your heart, this function is pumping blood throughout your body. Additionally, the heart is largely made up of a type of muscle tissue called cardiac muscle.
Answer:
it's a muscle
Your heart is actually a muscular organ. An organ is a group of tissues that work together to perform a specific function. In the case of your heart, this function is pumping blood throughout your body. Additionally, the heart is largely made up of a type of muscle tissue called cardiac muscle.
A mother has one allele for dimples and one allele for no dimples. What is the
probability that she produces a gamete with the allele for dimples?
A mother with a heterozygous genotype for dimples (Dd) has a 50% chance of passing the allele for dimples to her gamete.
The question is asking about the probability that a mother who has one allele for dimples and one allele for no dimples will pass on the allele for dimples. In genetic terms, dimples can be a dominant trait, and we might represent the allele for dimples as 'D' and the allele for no dimples as 'd'. If a mother's genotype is Dd, which means she is heterozygous for the trait, she has a 50% chance of passing on the D allele and a 50% chance of passing on the d allele to any given gamete (egg cell).
How does photosynthesis interconnect to the big idea of the cell
Answer:
Photosynthesis traps free energy present in sunlight that, in turn, is used to produce carbohydrates from carbon dioxide. Cellular respiration and fermentation harvest free energy from sugars to produce free energy carriers, including ATP. The free energy available in sugars drives metabolic pathways in cells. Photosynthesis and respiration are interdependent processes.
Cells and organisms must exchange matter with the environment. For example, water and nutrients are used in the synthesis of new molecules; carbon moves from the environment to organisms where it is incorporated into carbohydrates, proteins, nucleic acids or fats; and oxygen is necessary for more efficient free energy use in cellular respiration. Differences in surface-to-volume ratios affect the capacity of a biological system to obtain resources and eliminate wastes. Programmed cell death (apoptosis) plays a role in normal development and differentiation (e.g. morphogenesis).
Explanation:
Autotrophic cells capture free energy through photosynthesis and chemosynthesis.
Chemosynthesis captures energy present in inorganic chemicals.
Membranes allow cells to create and maintain internal environments that differ from external environments. The structure of cell membranes results in selective permeability; the movement of molecules across them via osmosis, diffusion and active transport maintains dynamic homeostasis. In eukaryotes, internal membranes partition the cell into specialized regions that allow cell processes to operate with optimal efficiency. Each compartment or membrane-bound organelle enables localization of chemical reactions.
Organisms also have feedback mechanisms that maintain dynamic homeostasis by allowing them to respond to changes in their internal and external environments. Negative feedback loops maintain optimal internal environments, and positive feedback mechanisms amplify responses. Changes in a biological system’s environment, particularly the availability of resources, influence responses and activities, and organisms use various means to obtain nutrients and get rid of wastes. Homeostatic mechanisms across phyla reflect both continuity due to common ancestry and change due to evolution and natural selection; in plants and animals, defense mechanisms against disruptions of dynamic homeostasis have evolved. Additionally, the timing and coordination of developmental, physiological and behavioral events are regulated, increasing fitness of individuals and long-term survival of populations.
Which sentence best describes a limitation of the Convention on Biological
Diversity?
O
A. It does not acknowledge the importance of biodiversity.
O
B. It does not include bacteria, fungi, or protists.
O
C. It does not aim to safeguard biodiversity.
O
D. It does not allow the use of seed banks.
Answer:
it is B i just got that question
Explanation:
The correct answer is B: It does not include bacteria, fungi, or protists.
What is The Convention on Biological Diversity?The Convention on Biological Diversity is an international treaty that aims to conserve biodiversity, sustainably use its components, and ensure the fair and equitable sharing of benefits arising from the use of genetic resources.
However, a limitation of the convention is that it does not include bacteria, fungi, or protists in its definition of biodiversity. This is because these organisms are not always considered in the same way as plants and animals, which are more visible and easily studied.
Bacteria, fungi, and protists play crucial roles in ecosystems and contribute to biodiversity, but they are often overlooked or undervalued compared to other groups of organisms.
Therefore, the Convention on Biological Diversity has been criticized for not adequately addressing the conservation of these groups of organisms.
The other answer choices are incorrect. The Convention on Biological Diversity acknowledges the importance of biodiversity and aims to safeguard it, and there is no indication that it prohibits the use of seed banks.
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How has the EPA improved air quality over the last 30 years?
by monitoring pollutants and passing regulations to reduce air pollution
by decreasing soil erosion and dust storms
by building marine refuges to help protect marine life and reduce air pollution
by decreasing of fossil fuel use in motor vehicles and industry
Answer:
a
Explanation:
The EPA has improved air quality over the last 30 years by setting and enforcing regulations, monitoring pollutants, and encouraging the reduction of fossil fuel use.
Explanation:The Environmental Protection Agency (EPA) has been instrumental in improving air quality over the last 30 years. Key methods employed by the EPA include setting and enforcing regulations aimed at controlling air pollution, monitoring pollutants and the implementation of policies to promote cleaner energy sources. It has also encouraged the reduction of fossil fuel use in motor vehicles and industry through regulations and incentives.
Through the Clean Air Act, the EPA has set standards that have decreased dangerous pollutants and thereby improved health outcomes for many people. Additionally, they launched programs like the Acid Rain Program and actions to reduce interstate air pollution.
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most trees in ___________ lose their leaves during winter
Answer:
The answer to that question would be: autumn or fall.
Explanation: That is the season before winter.
.Many types of light come from the Sun, ranging from infrared to ultraviolet. There is a small range of wavelengths of light that humans can see within the larger spectrum of light. What do we call the range of the spectrum that humans can see?
visible light spectrum
high intensity spectrum
color wheel spectrum
Answer:
Visible light spectrum
Explanation:
Inform me if I'm wrong. Thanks!