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weqwewe [10]
3 years ago
6

According to the model, what is the role of RNA in DNA replication? A) RNA has no role in DNA replication B) RNA acts as a prime

r to direct the synthesis of new DNA by polymerase. C) RNA acts as an enzyme that breaks hydrogen bonds between base paired nucleotides. D) RNA stabilizes the DNA molecule on the leading strand while replication occurs on the lagging strand.
Biology
2 answers:
rjkz [21]3 years ago
8 0
The answer is B. Primase produces RNA, making it a type of RNA polymerase. RNA is complimentary to a single strand of DNA.
S_A_V [24]3 years ago
8 0

Answer:

Option-B

Explanation:

DNA replication is a process which replicates the DNA in a cell and increases the amount of DNA mediated by the enzymes.

The DNA replication begins when the Helicase enzyme opens the DNA and primase form an RNA molecule with a complementary sequence at 5' end of DNA which acts as a primer. The DNA polymerase can add the nucleotide after it binds the RNA primer as primer provides it's 3'-OH group to bind new nucleotides.

Since RNA molecule acts as a primer in the replication process to which the new nucleotides will be added, therefore, the Option-B is the correct answer.

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In which phase of the sbir grant process are funds used to create a prototype of a product or service?
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In phase II of the SBIR grant process are funds used to create a prototype of a product or service.

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1 year ago
For 50 points and brainliest. Please help!
Anuta_ua [19.1K]
If it is Not 3-4 Then it should be 2-1!
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3 years ago
How can minerals crystallize from materials dissolved in water? (Select 2 choices )
Lynna [10]

Answer:

The correct options are:

2. From solutions that evaporate

4. From hot water solutions when the solution cools

Explanation:

The substances that can form minerals can be dissolved in the water to form a solution. Solution can be described as as a mixture in which a solute is dissolved in a solvent. When a particular dissolved solute evaporates from the solution, crystals of minerals might form. The mineral halite was formed when seas evaporated over a period of time.

The minerals can also be formed when a hot water solution gets cooled.

6 0
3 years ago
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When a person goes into cardiac arrest, the doctors
mash [69]

Answer:

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Explanation:

because it is trying to give a electric pulse to start it

7 0
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A student thinks that because the sun is made of gas, it transfers heat to Earth by convection. Which explains why this is an in
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Answer: The space between the sun and Earth contains no matter.

Explanation:

MODES OF HEAT TRANSFER

1. Conduction: This type of heat transfer happens when there is direct contact between the two objects.

2. Convection: This type of heat transfer happens when there is a movement of fluid (liquid or gas).

3. Radiation: This type of heat transfer happens when there is direct transfer of energy through space.

Thus convection can not take place between earth and sun as there is no liquid or gas present for movement of heat. The heat is transferred from sun to earth by radiation as it occurs through space.

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3 years ago
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