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Anvisha [2.4K]
4 years ago
12

The expression of a gene is said to be ‘turned on’ when certain signals interact with the promoter of a gene and RNA is prod

uced. The strand of RNA that corresponds to a gene is complementary to the sequence of DNA. The process called "Transcription" is:
Biology
1 answer:
marusya05 [52]4 years ago
5 0

Answer:

Explanation:

the process of transcription is defined as a process by which cells are able to allow for expression of their genes. this involves how DNA is read and written into RNA (mainly messenger RNA). mRNA production then guides the synthesis of various proteins. the process of transcription occurs in three stages which include initiation, elongation and termination. when certain signals interact with the promoter of a gene, transcription is initiated allowing for some regions of the DNA to be transcribed in the 5 to 3' direction. such that the newly synthesized strand of mRNA is complementary to the non coding sequence. Controlling the production of mRNA in the nucleus allows the regulation of gene expression.

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Which of the following cell components are most involved in determining an organisms traits
mel-nik [20]

Answer:

chromosomes because they carry the DNA.

Explanation:

7 0
3 years ago
A student runs 5 kilometers (km) each afternoon at a slow, leisurely pace. One day, she runs 2 km as fast as she can. Afterward,
serg [7]

Answer:

<u>The correct answer is that our student accumulated lactic acid.</u>

Explanation:

<u>What is acid lactic and where it comes from?</u> It comes from the breakdown of glucose when there is no oxygen present (glycolytic metabolism), that is, in an anaerobic exercise such as running or cycling at high speed, like the case of our student, where there is a high intensity and a very short duration.

<u>What happen then?  </u>When we keep doing exercise with high intensity an exercise, lactic acid will begin to accumulate by not giving the body time to remove it.

<u>How can we avoid lactic acid?</u> With training, there is no more. Based on training, the body deploys adaptive mechanism that causes lactic acid not to accumulate so quickly and if it begins to do so, the muscle supports it more effectively.

6 0
3 years ago
Read 2 more answers
Help please, 30 points.
MariettaO [177]

Answer:

Answer:

Explanation:

4 0
3 years ago
Read 2 more answers
Solar and Wind power are good for the environment because…
Triss [41]

Answer: C

Explanation:

its C because I looked it up and it said that it was because of the wind and the sun.

4 0
3 years ago
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In the 1950s, when Watson and Crick were working on their model of DNA, which concepts were well accepted by the scientific comm
julia-pushkina [17]

Answer:

Option (1), (2) and (3).

Explanation:

DNA is the genetic material of all the living organisms present on earth. The DNA contains the nitrogenous bases, pentose sugar and the phosphate group. DNA strands runs in the opposite direction and shows polarity.  

Watson and Crick explain the structure of DNA based on the X ray diffraction produced by Rosalind. According to the structure, chromosomes are present in the nucleus and contains the DNA and wrapped around the proteins. The genes is considered as the functional segment of DNA.

Thus, the correct answer is option (1), (2) and (3).

6 0
3 years ago
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