1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ne4ueva [31]
4 years ago
7

Which enzyme functions to prevent supercoiling of the DNA molecule during replication?

Biology
2 answers:
Zepler [3.9K]4 years ago
5 0

Answer:

Topoisomerase

Explanation:

I just did it on USATESTPREP

melamori03 [73]4 years ago
3 0

Answer:

The enzyme Topoisomerase functions to prevent super-coiling of the  DNA molecule during replication.

Explanation:

  • During replication, topoisomerases are required to relieve the positive supercoiling that arises from DNA unwiding mediated by Helicases.
  • A DNA topoisomerase is a nuclease that breaks a phosphodiester bond in a DNA strand.
  • All topoiomereases are classified as  Topoisomerase I and Topoisomerase II  depending on whether they cleave one or two strands respectively.
  • Topoisomerase I do not use ATP as a source of energy, the reaction is powered by energy stored in super-coiled DNA.
  • Topoisomerase II also do not require external energy but it utilizes ATP hydrolysis to drive conformation changes in the protein during reaction cycle.

You might be interested in
Which is a goal of the Human Genome Project
Scilla [17]
The main goals of the Human Genome Project were to provide a complete and accurate sequence of the 3 billion DNA base pairs that make up the human genome and to find all of the estimated 20,000 to 25,000 human genes.

Hope I Helped!
Mark Brainliest!
7 0
3 years ago
Read 2 more answers
If a dna analysis reveals that a cell has 60 ng of adenine and 20 ng of cytosine, how much thymine and guanine are in the cell?
Serggg [28]

Answer:

Thymine= 60 ng

Guanine= 20 ng

The complementary base pairing occurs between adenine and thymine and guanine and cytosine bases.

Explanation:

According to the Chargaff rule, a double-helical DNA molecule has an equal number or equal amount of adenine and thymine bases since adenine always pairs with thymine. Similarly, the amount of guanine base is equal to that of the cytosine base.

Chargaff rule is based on the complementary base pairing between purine and pyrimidine bases. According to the given information, the amount of adenine is 60 ng. Therefore, the cell would have 60 ng thymine. Similarly, the amount of the cytosine base in the cell is 20 ng which means that the cell would have 20 ng of guanine base.

5 0
3 years ago
Suppose you scraped off some of the pale
Reika [66]
By examining the tree bark and recording it’s properties. I would note if the cells move and duplicate, I would also note any living organisms which lay on the surface
7 0
3 years ago
what does the term 2pq represent in the hardy-weinberg equation? the frequency of homozygous recessive individuals the frequency
Nostrana [21]

The term 2pq represented in the hardy-weinberg equation is the frequency of heterozygotes and is denoted as option D.

<h3>What is Hardy-weinberg equation?</h3>

This mathematical equation is used to calculate the genetic variation of a population at equilibrium and can be seen below:

p² + 2pq + q² = 1

where

p² is dominant homozygous frequency (AA)

2pq is heterozygous frequency (Aa)

q² is recessive homozygous frequency (aa).

The 2pq can be seen as the heterozygous frequency which is therefore the reason why option D which is frequency of heterozygotes was chosen as the most appropriate choice.

Read more about Hardy-weinberg equation here brainly.com/question/5028378

#SPJ1

8 0
2 years ago
Hi. I am 5’8.5 and I just turned 15. My dad is 6’2. And my mom is 5’7.5. Also my sis is 5’10.5 and she’s 18. Do you think I am d
ycow [4]

the average age for a male is the united states to stop growing is at the age of 16.

8 0
3 years ago
Read 2 more answers
Other questions:
  • When 2 or more atoms bond together, they form ____________.
    9·1 answer
  • Are hummingbirds attracted to the color red?
    15·2 answers
  • A location in the northern hemisphere is currently experiencing equal sunlight as another location in the southern hemisphere. W
    13·2 answers
  • Which of the following is a product of photosynthesis? A. Sunlight B. Oxygen C. Water D. Carbon dioxide
    10·1 answer
  • Biomass is a way to describe the overall amount of living organisms in an area. Using the figure below, choose the most likely r
    6·2 answers
  • In perceiving its environment, a dolphin makes use of
    15·1 answer
  • The process of cell division results in *
    5·1 answer
  • Which of the following is stored within the nucleus of the cell and acts as a code book for synthesizing specific proteins?
    15·1 answer
  • Psychometric scores for anxiety, depression, negative self, somatization, and hostility were combined into a single Global Sever
    13·1 answer
  • What is the natural source of energy in Mars, please help
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!