The first step in DNA replication is

Answers

Answer 1

The first step is to basically sort of “unzip” the double helix.


Related Questions

Science PLZZZZZZZ!!!!!

Answers

Answer:

Gravity and inertia

Explanation:

C. Gravity and inertia

Compare and contrast between a human and an alligator life cycle.

Answers

Answer:

The human body constantly develops and changes throughout the human life cycle, and food provides the fuel for those changes. The major stages of the human lifecycle include pregnancy, infancy, the toddler years, childhood, puberty, older adolescence, adulthood, middle age, and the senior years.

where as,

Growth depends greatly on the surrounding environment, including temperature, and sexual maturity is reached at approximately 6 feet long. The life span varies greatly for these large reptiles, averaging 35 to 50 years for wildalligators and 60 to 70 years for crocodiles.

Explanation:

please mark as brainlist answers

4. ______________ and _______________ are needed by our body in small quantities

Answers

Answer:

vitamins and minerals.

48:47
Which of the following factors would have the smallest impact on a population’s size?
a.
the total number of organisms
b.
the available water supply
c.
the variety of organisms
d.
adequate shelter

Answers

I think the answer is c

What is the function of a smooth er?
please answer correctly

Answers

Answer: To produce proteins for cell

In which layers of Earth do convection currents occur?

Answers

Answer:

Convection currents in the Earth occur in the mantle.

Explanation:

Answer:

The mantle

Explanation:

im smart :)

(0.2 pts) Some foods that are rich in complex carbohydrates can be difficult to digest. Gas often forms as the foods are slowly digested by bacteria in the
large intestine. The advertisement is for a nutritional supplement that prevents intestinal gas.
Gas Trouble?
Supplement
Take our supplement when
eating meals high in
complex carbohydrates to
prevent the discomfort of
intestinal gas.
Which of the following represents evidence that could be used to support the claims about this product?
o complex carbohydrates are found in vegetables and grains, which are good sources of fiber, vitamins, antioxidants and minerals. Vegetables are grains known to reduce the
risk of heart disease
Some rutritional supplements provide vitamins and minerals that are missing from a person's diet These types of nutritional supplements contain important nutrients that
reduce the risk of malnutrition
Consuming enzymes specific for carbohydrate digestion helps the body digest complex carbohydrates more quickly in the stomach and small intestine
Some nutritional supplements add beneficial bacteria to a person's diet. These bacteria populate the stomach and prevent carbohydrate digestion

Answers

Answer:

El consumo de enzimas específicas para la digestión de carbohidratos ayuda al cuerpo a digerir los carbohidratos complejos más rápidamente en el estómago y el intestino delgado.

Algunos suplementos nutricionales agregan bacterias beneficiosas a la dieta de una persona. Estas bacterias pueblan el estómago y previenen la digestión de carbohidratos.

Explanation:

Answer: c. c: ...............................................................

How does pollution affect marine life? a. Pollution causes a decrease in phytoplankton populations and therefore a decrease in the occurrence of algal blooms. b. Pollution causes destruction of coral reefs, which are important sources of shelter and breeding for marine animals. c. Soaps, detergents, and plastics in the ocean decrease the acidity of ocean water, leading to a decrease in carbonate levels. d. Pollution affects organisms close to the shoreline, but does not affect marine organisms far from the shore.

Answers

Answer:

b

Explanation:

According to the question, Pollution causes destruction of coral reefs, which are important sources of shelter and breeding for marine animals.

How does pollution affect marine life?

Fish, seabirds, sea turtles, and marine mammals can become entangled in or ingest plastic debris, causing suffocation, starvation, and drowning.

Thus, the option "B" is correct.

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Homologous chromosomes are chromosomes that are the same? true or false

Answers

Answer:

False

Explanation:

The 22 pairs of homologous chromosomes contain the same genes but code for different traits in their allelic forms since one was inherited from the mother and one from the father. So humans have two homologous chromosome sets in each cell, meaning humans are diploid organisms.

A lentil plant with spotted seeds was crossed with another that had dotted seeds. The F1 plants turned out to have seeds that had spots and dots. What could be the reason?

Answers

Answer:

Lentil seed pattern is affected by codominance.

Explanation:

Lentil seed pattern is affected by codominance.

What makes a scientific observation different from day to day observations?

Answers

Scientific observation is based on rationalism and experiments but day to day observations do not have a main subject.

how does the amount of precipitation affect the tundra and tropical rain forest species​?​

Answers

The amount of precipitation affects the number of species due to water being a primary resource for survival of all living organisms.

Are state changes chemical or physical changes? Provide an example of a state change and explain why it is a chemical or physical change.

Answers

Answer:

physical

Explanation:

example: water freezing into ice

there is no change in the chemical properties, frozen water is still water

What are the two main sections of the cell cycle?

Answers

Answer:

interphase and the mitotic phase

Explanation:

the 2 main sectioms of the cells are interphase and the mitotic phase

Please Help me with this question!!

Answers

Ide say it’s the first answer that they continue the graph is increasing

In the carbon cycle, in what form are carbon atoms generally returned to the atomosphere? carbon dioxide b carbon monoxide simple sugars methane​

Answers

Answer:

The carbon cycle is a process where carbon is removed and returned to the atmosphere. The ways of returning carbon to the atmosphere

Explanation:

What is the role of enzymes in the DNA replication process?
A. Enzymes read the DNA code and build a new DNA molecule from scratch.
B. Enzymes link together to form a template for a new DNA molecule to be built.
C. Enzymes split the DNA molecule into two rails and then transport corresponding nitrogenous bases to each rail.
D. Enzymes link adjacent nucleosides together, becoming an integral part of the structure of the new strands of DNA.

Answers

Answer: C. Enzymes split the DNA molecule into two rails and then transport corresponding nitrogenous bases to each rail.

Explanation: This would be known as the double helix because it is being split.

Different enzymes are involved in DNA replication: DNA polimerase, primase, helicase, ligase, and topoisomerase. The correct option is C. Enzymes split the DNA molecule into two rails and then transport corresponding nitrogenous bases to each rail.

---------------------------------------------

DNA Replication starts in some specific place named replication origin.

Helicase

This is the first enzyme that works in the replication origin. It separates the DNA into two strands allowing the replication forks to advance by unwinding the DNA. It breaks hydrogen bonds between nitrogenated bases pairs.

Topoisomerase impedes the DNA double helix near the replication forks to get too coiled when the DNA is opening.

DNA polymerase III

This enzyme is responsible for DNA elongation. It is in charge of adding nucleotides to the growing chain, from 3' to 5' extremes. It includes only nucleotides that complement the original strand. They need to recognize a primer to begin.

Primase is in charge of synthesizing primers.

DNA polymerase I eliminate ARN primers and substitute them with DNA.

DNA ligase seals the gaps that remain after replacing the primers.

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Which best summarizes the effects of mutations on organisms?

A Mutations are sometimes helpful, sometimes harmful, and sometimes neutral.

B Mutations are usually harmful, sometimes neutral, and never helpful.

C Mutations are sometimes neutral, sometimes helpful, and never harmful.


D Mutations are always harmful, never helpful, and never neutral.​

Answers

Answer:

A Mutations are sometimes helpful, sometimes harmful, and sometimes neutral.

Explanation:

I did the test.

Answer:

A. Would be answer!

Explanation:

Hope this help!

why does the structure of a protein depend on the sequence of the DNA?

Answers

Answer:

Explanation:

The Rules of Protein Structure. The function of a protein is determined by its shape. The shape of a protein is determined by its primary structure (sequence of amino acids). The sequence of amino acids in a protein is determined by the sequence of nucleotides in the gene (DNA) encoding it.

1. Which of the following statements best describes sunspots?
Sunspot appear and disappear in 24 year cycles.
Sunspots are dark areas of intense electromagnetic activity.
Sunspots are located in the core of the sun.
Sunspots are gaseous clouds that sometimes shoot into space.

Answers

Answer:

Sunspots are dark areas of intense electromagnetic activity.

Explanation:  

sunspots appear and disappear in 24 year cycles?? I believe

Which of these are the most basic levels of organization involved when a bone heals?

Answers

Answer:

cells and tissue

Explanation:

Cells and tissue are the most basic levels of organization involved when a bone heals.

what are the types of cell ?

Cell is the small unit of all living organism, observed in animal, plant, microbes etc; cells are unicellular in nature like bacteria cell, where as some are multicellular in nature like all higher eukaryotic organisms such as plants and animal cell.

The simplest form of cells are prokaryotic cells have a cell membrane, cell wall and cytoplasm where all of the metabolic processes occur, ribosomes needed for protein synthesis occur, and nucleoid which carry genetic information, reproduce by binary fission.

The eukaryotic cells contain a complex organization where it contain cell membranes, cytoplasm, ribosomes, and nucleus a house of DNA, rough endoplasmic reticulum , smooth endoplasmic reticulum for lipids, Golgi apparatus responsible for protein sorting and exporting.

It has mitochondria power house house of the cell, a cytoskeleton responsible for structure and passes information, and lysosomes or peroxisomes for waste digestion, vacuoles for water storage, chloroplasts for photosynthesis.

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Can someone help me??

Answers

Answer:

S6 = E1

S5 = E6

S4 = E5

S3 = E3

S2 = E4

S1 = E2

Explanation:


Which of the following is NOT a reason that scientists classify organisms?
A
to organize organisms
B
to easily identify organisms
C
to determine the age of organisms
D
to ensure the use of a common language

Answers

Answer:

The answer is D My lovely

Explanation:

CAN I HAVE BRAINLIEST!!!

is chlorine gas a polar or nonpolar covalent bond

Answers

Pretty sure its non-poaler (definitly sure)  :)

Answer:

Explanation:

Covalent bonds are very similar to chlorine gas. Which is also known as (C12). Both of these atoms share and hold tightly onto their electrons.

The hydrogen atom has a positive charge becauseIt cannot hold as tightly to the negative electron bones. Covalent molecules with this type of uneven charge distribution are polar.

Why does the us have limited government

Answers

Answer:

The U.S. Constitution achieved limited government through a separation of powers: "horizontal" separation of powers distributed power among branches of government (the legislature, the executive, and the judiciary, each of which provide a check on the powers of the other); "vertical" separation of powers (federalism) ...

ILL GIVE BRAINLIEST !!
Fossils of a microscopic organism are found in rocks determined to be over 3.5 billion years old. Identify TWO types of evidence that would help answer the question of whether the organism was photosynthetic

Answers

Lemm look back at my answer

If your body temperature rises, all of the
following will occur EXCEPT

Answers

Answer:

idu

Explanation:

picture

Answer:

what are the options given for the question

Which of the following groups of organisms uses sunlight to convert carbon dioxide and water into sugar and oxygen?

a. producers
b. decomposers
c. carnivores
d. herbivores

Answers

The answer that you are looking for is: A PRODUCERS

The group of organisms which uses sunlight to convert carbon dioxide and water into sugar and oxygen are producers. Thus, the correct option is A.

What are Producers in the ecosystem?

Producers are any kind of green plants present in the ecosystem. Green plants make their own food by using the sunlight (solar energy) and carbon dioxide gas from the atmosphere with the energy to make sugar. The plant uses this sugar (carbohydrate), also called as glucose to make many different products, such as wood, leaves, roots, and bark.

This process through which plants produce their food is called photosynthesis. Photosynthesis occurs only in the plants which have chlorophyll pigment (chloroplast).

Therefore, the correct option is A.

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Tissues are composed of groups of:
A.
unicellular organisms.
B.
specialized cells.
C.
specialized organs.
D.
organisms.

Answers

Answer:

B

Explanation:

Tissues are made up of specialised cells

B tissues are made of specialized cells

When were the two major extinction periods that amphibians have survived?
Explain to me plz thanks

Answers

in the 1950s and in 2007

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