Answer:
The number of heterozygous individuals in this population is 120.
Note: All the results are rounded up. Because of this, you might get a similar value in your results but not exactly the same. That is ok, just follow the steps.
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
Put the following events in the correct order:
a. The mRNA leaves the nucleus and goes to a ribosome open choices for ranking.
b. The building blocks of proteins, are carried to the ribosome by tRNAsAmino acids.
c. Transcription of one DNA strand results in mRNA, which is a complementary copy of the information in the DNA.
Answer:
Explanation:
c. Transcription of one DNA strand results in mRNA, which is a complementary copy of the information in the DNA.
a. The mRNA leaves the nucleus and goes to a ribosome open choices for ranking.
b. The building blocks of proteins, are carried to the ribosome by tRNAsAmino acids.
The process of deoxyribonucleic acod starts with replication to transcription and translation.
Replication involves the formation of a complementary base from a old or template DNA Strand this then serve as a template for transcription.
transcription involves the coping of information on the DNA to an intermediate mRNA ( messanger ribonucleic acid) in the nucleus which then move from the nucleus to ribosome in the cytoplasm where translation occurs.
Translation is the conversion of the information on the mRNA to an amino acid with the help of enzyme transferse ribonucleic acid(tRNA).
Hence the arrangement is from C ---- A-----B.
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Answer:
B. II and III
Explanation:
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20. Which statement correctly categorizes hog operations?
O A. Feeder operations raise hogs throughout their lifetime, farrow-to-finish operations raise young hogs, and finisher operations raise older hogs
O B. Feeder operations raise hogs throughout their lifetime, finisher operations raise young hogs, and farrow-to-finish operations raise older hogs
O C. Finisher operations raise hogs throughout their lifetime, feeder operations raise young hogs, and farrow-to-finish operations raise older hogs.
O D. Farrow-to-finish operations raise hogs throughout their lifetime, feeder operations raise young hogs, and finisher operations raise older hogs
Answer:
D. Farrow-to-finish operations raise hogs throughout their lifetime, feeder operations raise young hogs, and finisher operations raise older hogs
Explanation:
Hog farms operate in three different categories:
Farrow-to-finish: This involves breeding sows to produce offspring. The offspring's are then fed until they are have reached the size for slaughter. The entire process takes throughout the hogs lifetime.
Feeder operations: This involves breeding sows and then selling their piglets to other farmers who will then raise them for till they are matured for slaughters. This process is just to raise young hogs.
Finisher operations: This involves buying piglets from other farmers and then raising them until they are matured for slaughter. This finisher operations raise older hogs
What type spore is produced by baisidiomycetes, deuteromycota, Zygomycota and ascomycota??
baisidiomycota: basidiospores
ascomycota: axcospores
Deurtermycota: conidia
zygomycota: sporangiospores
Question 18 of 20 :
Select the best answer for the question.
18. How has the use of herbicides affected agricultural productivity?
O A. Fewer pesticides are needed because of parasitoids.
OB. Fewer people are needed to weed because of herbicides.
O C. Fewer crops are produced because of herbicides.
O D. Fewer crops are organic because of the use of Bt toxin.
O Mark for review (Will be highlighted on the review page)
Answer:
B. Fewer people are needed to weed because of herbicides.
Explanation:
Herbicides are chemical substances specifically used to control the widespread growth of weeds i.e unwanted plants. Using herbicides has been useful in eradicating the weeds that pose a great threat to agricultural productivity.
Since chemical control (herbicides) has proven to be a faster and effective method, fewer people are needed to involve in the physical control of weeds i.e. weeding. Hence, the use of herbicides has affected agricultural productivity by helping to reduce the amount of laborers.
the process of taking gaseous carbon dioxide or oxygen by leaves is termed
Answer:
photosynthesis
as in the process of photosynthesis plants take in carbon dioxide and give out oxygen.
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The process of taking gaseous carbon dioxide or oxygen by leaves is termed peristomal diffusion or diffusion through stomata present on leaves.
Plants take up carbon dioxide or oxygen from the air through their leaves as they have several stomata on their surface. The small holes or openings in the underside of the leaf are called stomata.
Diffusion through stomata also helps oxygen, produced in photosynthesis, to leave the leaf.The diffusion of gaseous carbon dioxide or oxygen is proportional to the concentration difference between the atmosphere and leaves.The loss of water vapor in transpiration also occurs through stomata.peristomal diffusion or diffusion through the leaves allows the gaseous exchange.Thus, the correct answer is - peristomal diffusion or diffusion through stomata present on leaves.
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Can earthquake sensors detect tsunamis
4. An egg is falling (not freely, do not neglect air resistance) from a nest in a tree. Diagram the forces acting on
the egg as it falls
Answer:
I found it hopes this helps
Explanation:
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How is the nitrogen cycle important to humans?
OS
It produces free nitrogen that humans can breathe.
It converts nitrogen into a form that humans can obtain by eating other organisms.
It produces nitrogen compounds that humans can breathe.
It converts nitrogen into a form that humans can obtain by absorbing it through their skin.
Answer:
B. It converts nitrogen into a form that humans can obtain by eating other organisms.
Explanation:
Right for e2020
What is this the definition of?
Reaction that disassembles polymers and absorbs water.
Answer:
Hydrolysis reactions use water to breakdown polymers into monomers and is the opposite of dehydration synthesis, which forms water when synthesizing a polymer from monomers. Hydrolysis reactions break bonds and release energy.
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Answer:
1. The reduction of coyote population affects the sheep population by increasing sheep due to them not being preyed upon.
2. The grass population would indeed decrease as a result of the sheep population increasing. Due to this being the sheep's source of energy.
Use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration.
Answer:
The mass of hydrogen is conserved during cellular respiration as it follows the Law of Conservation of Matter. This shows that hydrogen has been conserved throughout the entire process (H representing Hydrogen) as the product has the same amount of hydrogen as the reactants.
The AMOUNT of carbon-dioxide atoms released by respiration are EXACTLY EQUAL to the atoms of these materials contained in the oxygen and carbon converted. In this way respiration has conserved the mass or material and in this way followed the law of conservation of mass.
Explanation:
Breathing heavily after running a race is your body's way of *
a. restarting glycolysis.
b. recharging the electron transport chain.
c. repaying an oxygen debt.
d. making more citric acid.
Answer:
The correct option is C.
repaying an oxygen debt.
Explanation:
This is because while running, humans breath shallowly which could not provide the oxygen requirement for the respiratory system and fit in for blood need.
After running, you tend to breathe heavily because your muscle work very hard , the body use more oxygen and produced more carbondioxide, therefore the lungs and respiratory system must try to provide more oxygen to the blood. sympathetic nerves stimulate respiratory muscles
so as to increase the rate at which we breathe.
please help me with this , thank you so much
Answer:
1)mitosis 2)meiosis 3)mitosis 4)meiosis 5)meiosis 6)mitosis 7)mitosis 8)meiosis specifically in prophase 1
Explanation:
Why are most genes inhibited in an average animal cell
Answer:
Most genes must be turned off because cells play specific functions, thereby only a limited number of genes must be expressed in each cell type in order to produce proteins required in the cell
Explanation:
Gener regulation is a critical molecular mechanism required for normal cell functioning. In consequence, genes are turned on and off depending on the cell type. For example, in the brain, cells that will be differentiated into neurons will be expressed, while genes involved in the differentiation of undifferentiated myoblasts into muscle cells will be turned off. Thus, genes are switched off in order to produce only those specific proteins which are required for each cell during specific developmental programs and functions carried out by each cell type.
Which of the following is used to screen for carcinogenic potential of various compounds?
transformation testing
replica plating
Ames test
ELISA test
Answer:
Ames test
Explanation:
This is because Ames test is a test that uses bacteria strain i.e Salmonella typhimurium to check or assess of a chemical has carcinogenic effect of it. It uses mutagenicity of bacteria. It is a biological assay that test whether an a chemical can cause mutations in the dna of the test organisms. When mutagens are added and also liver enzymes, there would be a reverse mutation and this will lead to their growth
Which factor helps determine the fertility rate of a group of people?
A. Access to medicine
B. Death rate
C. Farmland
D. Consumption rate
SUBMIT
Enzyme that links together the growing chain of RNA nucleotides during transcription using DNA strand as a template
Answer: Your answer should be: RNA Polymerase
Explanation: Have a great day my friend :D
what part of plants do people use in making a house
They use logs of wood and it comes from the trunk of tree
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A scientist examines the legs of two different species. Due to similarities in the bone arrangement, the scientist concludes that the
leg structures of the two species are homologous.
What can the scientist conclude about these species?
ОА.
The two species evolved from a common ancestor.
OB
The two species are evolutionarily unrelated.
O C.
The two species have identical DNA.
O D.
The two species are found in the same ecosystem.
Answer:
A this is the definition of homologous
D would analogous
Explanation:
what level of an organism is the stomach?
Answer:
The major levels of organization in the body, from the simplest to the most complex are: atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism.
A STOMACHE IS AN ORGAN!!!!
An organ is a collection of tissues that structurally form a functional unit specialized to perform a particular function.
_____________________________________[tex]\Huge\text{Levels of Biological Organization}[/tex]Cell - The smallest unit of life. Example: Red Blood Cell Tissue - A group of similar cells that perform a specific function. Example: Muscle Tissue Organ - A structure within an organism usually composed of several tissue types that form a functional unit. Example: Stomach Organ System - Two or more organs working together in the execution of a specific bodily function. Example: Respiratory System Multicellular Organism - An individual living thing. Example: A single H.o.m.o Sapiens(Human Being). Species - Very similar, potentially interbreeding organism. Example: All cats, dogs, humans. Population - Members of one species inhabiting the same area. Example: Population of people living in USA Community - Two or more populations of different species living and interacting in the same area. Example: Cats and Hooomans living together in the same area or house. Ecosystem - A community together with its non-living surroundings. Example: Pond Ecosystem Biosphere - Different Ecosystems altogether makes Biosphere. Example: Planet Earth is biosphere_____________________________________Best Regards,'Borz'When does transformation occur
Answer:
Transformation results in the genetic alteration of the recipient cell. Exogenous DNA is taken up into the recipient cell from its surroundings through the cell membrane (s). Transformation occurs naturally in some species of bacteria, but it can also be affected by artificial means in other cells.
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The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels and pumps made of?
Group of answer choices
carbohydrates
proteins
lipids
nucleic acid
Answer:
The correct answer is ''proteins.''
Explanation:
Transport phenomena are essential in living beings, either to carry a hydrophobic molecule through an aqueous medium (transport of oxygen or lipids through the blood) or to transport polar molecules through hydrophobic barriers (transport through the cell membrane). Biological transporters are always proteins. Proteins are capable of carrying out specific functions such as the selective transport of molecules, or certain enzymatic reactions, among others. Membrane proteins can be peripheral or partially or totally integrated into the membrane, being, generally, globular or fibrous. Its activity is essential for the maintenance of transmembrane gradients. Thanks to membrane proteins, the exchange of molecules such as nutrients or waste products takes place, as well as the reception of external signals. Among its functions are channel-forming: Integral proteins arranged in the membrane in such a way that they give rise to the formation of a pore or channel, usually hydrophilic. These pores or channels allow the entry and exit of certain substances from the cell.
Question: Do you think School is necessary during a worldwide pandemic because it’s stressing kids mental health and focus. If so explain why it’s still necessary
General characteristics of cockroach and spider
Answer:
Cockroaches are generalized insects with few special adaptations, and may be among the most primitive living Neopteran insects. They have a relatively small head and a broad, flattened body, and most species are reddish-brown to dark brown. They have large compound eyes, two ocelli, and long, flexible antennae.
Explanation:
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1.The illustration below shows that sexual reproduction involving two parent pea plants resulted in the production of four offspring.
A. All four offspring received all of their genetic information only from Parent 1 and are therefore identical to that parent
B. All four offspring received all of their genetic information only from Parent 2 and are therefore identical to that parent.
C. All four offspring are genetically unique and did not receive any of their genetic information from either parent.
D. Each of the offspring is genetically unique and received some of its genetic information from each parent, so each has some traits in common with each parent.
Answer:
C
Explanation:
Because of the x and y chromosomes and they split apart and that's how you get 4 offspring.
The fusion of two different gametes leads to the formation of new offspring is called reproduction. There are two types of reproduction that is sexual and sexual.
The correct option is A
The branch of biology which deals with the study of genes is called genetics. there are two types of alleles that give all the character to the phenotypes. The dominant allele is the allele that suppresses the recessive allele and shows its effect.
In question, the F1 generation shows only one type of character which belongs to parent 1 because that is the dominant allele.
Hence, the correct option is A that is all four offspring received all of their genetic information only from Parent 1 and are therefore identical to that parent
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The older crust in this case would be at point D, the newest at point A.
what type of rock would you expect to forming at point A?
Explanation:
New ocean crust is formed at the mid ocean ridges. The new crust is then pushed away from the ridge as newer crust comes to the surface. The ocean crust then spreads out enlarging the ocean. The farer away from the ridge the ocean crust is the older the crust
One reaction has ΔG = -16.4 kcal/mol. Another has ΔG = 10.3 kcal/mol. Can these two
reactions be coupled so that the energy released by one is used to drive the other? Explain your
reasoning
Explanation:
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true or false internal regulations refers to how organisms reproduce themselves?
Answer: False
Explanation: Defines the procedures to be followed for the administrative operation and organization of the institution, the implementation of rules, and the imposition of sanctions on those who violate or do not fully conform to relevant laws.
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The type of weathering seen in the pictures is mechanical weathering.
Weathering is the process by which rocks, minerals, and other geological materials are broken down and altered over time by various physical, chemical, and biological processes. It is a fundamental part of the Earth's surface dynamics and plays a significant role in shaping landscapes.
Mechanical weathering involves the physical breakdown of rocks into smaller fragments without changing their chemical composition. It increases the surface area of rocks, making them more susceptible to further weathering.
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