Answer:
Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell. Each time a cell divides, the two resulting daughter cells must contain exactly the same genetic information, or DNA, as the parent cell. To accomplish this, each strand of existing DNA acts as a template for replication.
Replication occurs in three major steps: the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment. During separation, the two strands of the DNA double helix uncoil at a specific location called the origin. Several enzymes and proteins then work together to prepare, or prime, the strands for duplication. Finally, a special enzyme called DNA polymerase organizes the assembly of the new DNA strands. The following description of this three-stage process applies generally to all cells, but specific variations within the process may occur depending on organism and cell type.
Answer:
website answer... the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment.
Explanation:
in my own words... the double helix and the separation of dna strands and the priming temlete strand and the assembly of a brand new dna segment
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Niche overlap indicates
(a) mutualism between two species
(b) active cooperation between two species
(c) sharing of one or more resources between the two species
(d) two different parasites on the same host
Answer:
(c) sharing of one or more resources between the two species
Explanation:
The total interaction of a species with its environment, or its functional position or status in an ecosystem, is referred to as its ecological niche. The structural adaptations, physical responces, and behaviour of a species determine its ecological niche.
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Without the greenhouse effect, temper on Earth would (F) be too cool or too hot. G) become constant. (H) increase sharply. (I) vary too much.
Answer: (F): Be too cool or too hot.
Explanation: The Greenhouse Effect on Earth is a process of when gases in the atmosphere capture the heat produced by the Sun. Without the Greenhouse Effect, the heat reflected by Earth's surface would be lost in space. The temperature on Earth would drop drastically low and this could lead to oceans/lakes freezing over and some living organisms to die out. This would make most life incapable of living on Earth.
Calculate the amount of energy needed to increase 0. 500l of water from 25. 0c to 35. 0c
Answer:
yeet
Explanation:
If your heart beats 70 times per minute, everyday of the year, how many times does it beat in a year?
Answer:
36,792,000
Explanation:
Using some math, if you say that it beats at 70 pm, then you should look for how much it beats in an hour, which is 4200 (60x70). Then you have to take that number and multiply by 24, which is 100,800. In a day it beats about that amount. Then you take that number and multiply by 365, which is 36,792,000.
What causes scientists to disagree?
O A. Some scientists are better than others.
B. They have unique perspectives and skills.
C. Scientists disagree to get attention.
O D. Many scientists do not use the scientific process.
Answer:
B. They have unique perspectives and skills.
According to the histogram, how many shipments had more than 20 light bulbs broken? A) 4 B) 6 C) 7 D) 12
The histogram depicts that the number shipments that had more than 20 light bulbs broken is D. 12.
What is a histogram?A histogram simply means a graphical representation that is used to organize a group of data points into ranges.
From the complete question, the histogram shows that the number shipments that had more than 20 light bulbs broken is 12. This can be interpreted based on the ranges shown in the histogram.
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Answer:
7
Explanation:
I did the USA test prep!!
Which of the following (i-iii) will a person suffer from if he/she is travelling in a train which is overcrowded?
i.Heart attack
ii.Tuberculosis
iii.Typhoid
b. Justify your answer and also mention any two symptoms of the same.
Answer:
ii
Explanation:
tuberculosis is an airborne disease if one is affected he or she can spread the disease especially in closed crowded areas.
symptoms are continuous coughing over a week,loss of weight
A type of ribonucleic acid that Incodes genetic information
Answer:
Explanation:
Cellular organisms use messenger RNA (mRNA) to convey genetic information (using the nitrogenous bases of guanine, uracil, adenine, and cytosine, denoted by the letters G, U, A, and C) that directs synthesis of specific proteins. Many viruses encode their genetic information using an RNA genome.
true or false:
genotype affects phenotype by providing the instructions for making proteins
descirbe the weather conditions associated with warm and cold fronts. why do these conditions differ
Answer:
A cold air front is where a cold air mass replaces warm air. The different air masses do not mix because of different densities.
Explanation:
How many constitutional isomers are obtained when the following compound undergoes monochlorination?.
The constitutional isomers that are obtained when the compound -methyl cyclopentane undergoes monochlorination are five in number.
What is Monochlorination?This term is used to describe the process by which chlorination occurs using a single chlorine atom.
Monochlorination is used to convert lots of chemicals into commercially viable chemicals.
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Planning an investigation
Design your own experiment to test how your body changes du changes in heart rate, breathing rate, or any other parameter occurring during exercise.
Part A First, formulate a question to answer through scientific investigation. Keep in mind that you should be able to answer your question with measurable data. Write your question here.
Answer:
An experiment to check a person's fitness is designed. The below mentioned parameters are checked
Describe two ways that the carbohydrates are used in the ecosystem.
Answer:Organisms use carbohydrates produced by photosynthesis by oxidizing them to produce energy for respiration
Explanation:Organisms use carbohydrates produced by photosynthesis by oxidizing them to produce energy for respiration. – The glucose produced in green plants is directly utilized for respiration and other activities, while the excess is stored in the form of starch.
What causes a river delta to form?
A. deposits of sediment
B. a newly formed mountain
C. a convergent plate boundary
D. a divergent plate boundary
Answer:
A
Explanation:
Deposists of sediments causes river delta, that is carried by a river as the flow exits its mouth and enters slower-moving or stationary water such as ocean, sea, and lakes.
What is the first step in the cell cycle?
Answer:
Prophase
Explanation:
parent chromosomes are condensed into an x shape
Answer:
The cell cycle is a four-stage process in which the cell increases in size (gap 1, or G1, stage), copies its DNA (synthesis, or S, stage), prepares to divide (gap 2, or G2, stage), and divides (mitosis, or M, stage). The stages G1, S, and G2 make up interphase, which accounts for the span between cell divisions.
Explanation:
pa brainlest
How is ocean acidification important to the world?
Answer:
Ocean acidification is already impacting many ocean species, especially organisms like oysters and corals that make hard shells and skeletons by combining calcium and carbonate from seawater.
15. What is atherosclerosis?
A. the build up of fats and cholesterol in the walls of blood vessels
B. the field in which scientists investigate how many people have a disease
C. a method used to correct arrhythmias
D. another word for high blood pressure
Atherosclerosis refers to the build-up of fats and cholesterol in the walls of blood vessels (Option A).
What is atherosclerosis?Atherosclerosis is a disease characterized by the build-up of fats and cholesterol in the walls of blood vessels.
This build-up of fats narrows the blood vessels, thereby difficulting the movement of blood in the bloodstream.
The symptoms of atherosclerosis include, among others, chest pain, shortness of breath and fatigue.
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Answer:
I hope this helps.
Explanation:
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Mycorrhiza is an example of
(a) ectoparasitism
(b) mutualism
(c) endoparasitism
(d) predation
Explanation:
Mycorrhiza is a symbiotic association between plant roots and fungi, so the answer should be Mutualism.
If round seeds is dominant to wrinkled seeds in peas, what type of stem will the offspring of a round seed plant and a wrinkled seed plant have
Since the round seed gene is the dominant gene, it follows that, a cross between a round seed plant and a wrinkled seed plant will lead to only round seed offspring.
What is genetics?Genetics is the science that studies the patterns of inheritance. The unit of inheritance located in the chromosome is called the gene.
Since the gene for having round seeds is dominant over the gene for having wrinkeled seeds, a cross between a round seed plant and a wrinkled seed plant will lead to only round seed offspring.
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Mitosis and meiosis are both forms of cell division. The results of mitosis and meiosis are very different. Meiosis results in _____, while mitosis results in _____.
A) 4 haploid cells; 2 diploid cells.
B) 4 diploid cells; 2 haploid cells.
C) 2 diploid cells; 1 haploid cell.
D) 2 haploid cells; 1 diploid cell.
I'm pretty sure its C forgive me if im wrong.
Explanation:
What do statements are true about a punt square
Answer:
Punnett squares predict the probability of different genotypes in offspring
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Can someone please help me? :( I’ll give brainliest!!
Answer:
I Think it is B
but i can really see what D is saying
If the same object was taken to each of the planets, where would it weigh the most, and where would it weigh the least?
Answer:
answer in the link.
Explanation:
Match the key terms to their corresponding definition!
Answer:
Denature - Break down, Substrate- What an enzyme acts on, Inhibitor- Decrreeses activity, Transition state- Highest energy
Explanation:
scientific explanation of how a trait like less pigmentation became common in populations that live far from the equator
Answer:
selection favored lighter skin
Explanation:
This delicate balancing act explains why the peoples that migrated to colder geographic zones with less sunlight developed lighter skin color. As people moved to areas farther from the equator with lower UV levels, natural selection favored lighter skin which allowed UV rays to penetrate and produce essential vitamin D.
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In what phase of meiosis does crossing-over take place? why is crossing over important?.
Answer:
prophase I
Explanation:
This is important because it increases genetic variation.
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The rabies virus is capable of entering the brain with the blood of a victim of the bite of an infected animal. Propose a mechanism for this to happen.
This is clear demonstration that neurons are not like other cells and that they need a unique environment to thrive and function properly. It also protects neurons from blood-borne proteins, cells and toxic factors.
How much of the suns radiation does earth receive?
Answer:
The Earth receives about 71% of the suns radiation. About 29% of that radiation is actually reflected back into space.
Explanation:
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Which is most reactive iron or potassium
Answer:
Potassium is more reactive because it is in group one
Explanation:
Why is it significant that the two strands of dna are antiparallel.
Answer:
because of its hydrogen bonding between the complementary nitrogenous base pairs.