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
Vanyuwa [196]
3 years ago
12

Which enzyme is responsible for ""unzipping"" the dna double helix?

Biology
2 answers:
tigry1 [53]3 years ago
5 0

Answer:

Helicase

Explanation:

The DNA double helix is unzipped by the enzyme *HELICASE*. The enzyme breaks the hydrogen bond between the bases thereby causing the strands of the double helicase to unzip. The action of the helicase enzyme uses energy from ATP. The unzipping of the double helix does not occur in a swift move. One end of the DNA molecule with 5'-3' is opened up showing the antiparallel single strands. The end that is opened is termed INITIATION SITE of replication. The opening look like someone standing with legs wide open. The wide opening is called REPLICATION FORK. The single strands of the fork are usually unstable but their stability is maintained by the DNA-binding-proteins. Having opened the double helix, the replication would then continue in the 5'-3' direction of one of the two antiparallel single strands.

s2008m [1.1K]3 years ago
3 0

Answer: Helicase

Explanation:

You might be interested in
An individual whose genotype is homozygous for the dominant allele is which of the following
Lapatulllka [165]

Answer:

examples include, "FF" or "DD", or just two uppercase letters.

Explanation:

3 0
3 years ago
I need help with this fill in the blank!
sesenic [268]
So um can sum one make sure i’m write?

8 0
3 years ago
"ricin inhibits the functioning of ribosomes. What part of protein synthesis would be affected by ricin? What effect would this
kondor19780726 [428]

Ricin comes under the category of functionally related toxins, in a combination known as RIPs (ribosome inactivating proteins). This disables ribosomes and stops the process of protein synthesis.  

They directly associate with and inactivate the ribosomes or modify the factors taking part in the process of translation, generally the elongation step. These proteins bring about depurination of adenine at position 4324 in the 28 S rRNA.  

This further inhibits the generation of a critical-stem-loop configuration to which the elongation factor is considered to combine at the time of the translocation step of translation. The ultimate outcome of this activity is the complete inhibition of cellular translation.  


3 0
3 years ago
Describe the effect on an enzyme of an increase in environmental temperature above the optimum temperature range of the enzyme.
Luden [163]

Answer:

In an environmental temperature above optimum temperature will cause the enyzmes to denature (deform), because when they denature the subtrate will no longer fit into the enzyme

6 0
3 years ago
Which of the following best describes what experts fear is lacking for future survival?
notka56 [123]

Answer:

we lack oxygen bc of pollution. a large portion of earths oxygen comes from forests, and plankton, so pollution is really starting to limit that.

4 0
3 years ago
Other questions:
  • Because it contains just a small amount of distortion over a local area, a _____ projection map is used to make road and weather
    12·2 answers
  • Which is the correct breakdown of the medical term dacryocystorhinostomy into its component parts?
    10·1 answer
  • A galaxy cluster contains between _____ galaxies. 5 to 50 50 to 1,000 1,000 to 5,000 5,000 to 10,000 10,000 to 50,000
    6·2 answers
  • A significant use of triglycerides in the body is triglycerides can be used to break down both carbohydrates and proteins trigly
    12·1 answer
  • You are stranded on a desert island with all of the food and water you would need. you have no electricity, no cell phone signal
    11·2 answers
  • What are the main differences between the two ecosystems in terms of organism population?
    6·1 answer
  • Which is the equation for photosynthesis?
    9·2 answers
  • What effect did meteor strikes have on the early<br> formation of Earth's crust?
    14·1 answer
  • Complete the following statements. Ions are necessary to activate the binding sites on the actin filaments. The molecule is requ
    15·1 answer
  • The scar left on the seed coat after the seed has separated from its stalk is called the: a. Micropyle. B. Funiculus. C. Hilum.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!