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
KiRa [710]
3 years ago
7

What enzyme starts the process of transcription?

Biology
1 answer:
Pepsi [2]3 years ago
7 0

Answer:

Transcription is the 1st step in the gene expression (DNA based) by which the information in a sequence of DNA is copied into a molecule of mRNA (messenger RNA). Transcription involves 3 steps:

  • Initiation: In which the DNA molecule sequence unwind and form a small open complex.
  • Elongation: In which RNA polymerase moves with the template strand & synthesizing a messenger RNA.
  • Termination: Occurs when an RNA polymerase crosses a termination sequence in the gene. In the termination step, the mRNA strand is complete & it detaches from DNA.  

RNA polymerase is a multi sub-unite enzyme which is responsible for copying the DNA template into an RNA template during the process of transcription.

You might be interested in
There are a number of lipids that are found in foods and contribute to various functions in the body. Triglycerides are the most
hodyreva [135]

<u>Answer</u>:

There are a number of lipids that are found in foods and contribute to various functions in the body. Triglycerides are the most common lipid found in food and in the body; they consist of a <u><em>Glycerol</em></u><u> </u>backbone attached to three fatty acids.

Fatty acids are classified based on the degree to which the carbon chain is saturated with <u><em>Hydrogen</em></u>

A fatty acid is <u><em>saturated </em></u>if it contains no carbon-carbon double bonds,   <em><u>polyunsaturated </u></em>if it contains  two or more carbon-carbon double bonds, and<em><u> monounsaturated </u></em>if it has only one carbon-carbon double bond.

The unsaturated fatty acids can exist in one of two structural forms: the <em><u>trans </u></em>form occurs when hydrogens on both carbons forming the double bond lie on opposite sides of that bond.

When hydrogens on an unsaturated fatty acid lie on the same side of the carbon-carbon double bond, a <u><em>cis </em></u>formation exists.

 

4 0
3 years ago
T or F... Adding CO2 to the atmosphere makes the Earth's climate COOLER overall. True <br> False
Nonamiya [84]

Answer:

True.

Explanation:

4 0
2 years ago
Read 2 more answers
The nurse is preparing to administer 20 meq of potassium chloride to a client who has been vomiting. what should the nurse expla
algol13
Hi there.

The nurse should explain to the client that potassium chloride is used to treat low potassium levels in the blood. 

I hope this helped you :p
3 0
3 years ago
Assume a physiologist has inserted a microelectrode into a neuron when it is at rest. The voltage recorded at the arrow tip will
Scorpion4ik [409]

Answer: -70 mV

Explanation:

Assume a physiologist has inserted a microelectrode into a neuron when it is at rest. The voltage recorded at the arrow tip will be <u>-70 mV</u>.

3 0
2 years ago
The distance from Earth to the Sun is 1.0 _____.
goldfiish [28.3K]
The answer is 1 astronomical unit
7 0
3 years ago
Other questions:
  • What is a period with lower-than-average precipitation?
    14·1 answer
  • An ecosystem undergoing forest succession would likely start out with which of these types of plants? ( I know this has been ask
    7·1 answer
  • Can someone help me i need 5 different jobs of bones science 7th grade
    12·1 answer
  • Q: If a bowling ball has more mass, it also has more interia
    6·2 answers
  • Sheila weights 60 kg and is riding a bike her momentum on the bike is 340 kg m/s the bike hits a rock which stops it completely
    9·2 answers
  • A cross is made between homozygous wild-type female Drosophila (a^+ a^+ b^+ b^+ c^+ c^+) and triple-mutant males (aa bb cc) (the
    12·1 answer
  • What is the trait? DNA: TAC GTA GTT TGA CTG ACT
    5·1 answer
  • Cellular differentiation is regulated by<br> which two factors?
    8·1 answer
  • Which outcome is a consequence of nutrient pollution? A. Temperature change in the water B. Excessive growth of algae C. Migrati
    13·2 answers
  • What is the main function of the organs shown?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!