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Alika [10]
3 years ago
12

Explain how genes are expressed for a particular reason

Biology
1 answer:
ozzi3 years ago
8 0

Each cell expresses, or turns on, only a fraction of its genes. The rest of the genes are repressed, or turned off.

The turned on genes are then first transcribed into messenger RNA by the process of Transcription.

Then the mRNA is Translated into protein by the process called Translation.

This is how the specific genes are expressed.

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why do saturated fatty acids have straight structures, while unsaturated fatty acids have bent structures?
Ierofanga [76]
Saturated fatty acids are chains of single bonded carbons surrounded by hydrogen atoms.

Unsaturated fatty acids have bent structures due to double bonding between carbon atoms in the chain. When carbons create double bonds with each other they are no longer able to hold as many hydrogens as a saturated fatty acid
7 0
3 years ago
At the official announcement of completion of the draft human genome (choose all that apply)
In-s [12.5K]

Answer:

  • (B) Two alternative strategies were used to complete the genome - top down and bottom up
  • (C) The public project used a mapping strategy to limit the total sequencing required
  • (D) The Celera group, led by Craig Venter, used a shot gun sequencing strategy

Explanation:

  • As the project was unable to sequence all the DNA that was found in the human cells, the first draft was <u>made in June and complete in the end referred to as a working draft and made on the basis of the final sequencing and mapping of the human genome. </u>
  • The <u>draft included the alternative strategies for the completion of the bottom up and top up of the genome code and has a mapping strategy</u> that limited the total sequencing needs.
7 0
3 years ago
What is an important function of the urinary system?
77julia77 [94]

Answer:

the kidneys are the most important function of the urinary system

Explanation:

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3 0
2 years ago
If there are 8 chromosomes in the parent cell, after Mitosis, how many chromosomes will be in the 2 daughter cells created?
leonid [27]

Answer:

8 chromosomes in each daughter cell

Explanation:

Mitosis creates identical cells. If there are 8 chromosomes in the parent cell, there will be 8 chromosomes in each daughter cell. The way it works is that in late Interphase, the number of chromosomes and DNA double. In this case there would be 16 chromosomes. And when the cell splits into two during cytokinesis, each of the two would get half the chromosomes. Hence, there would be 8 chromosomes in each daughter cell.

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3 years ago
What blood vessel type transports blood away from the heart?
yaroslaw [1]
Arteries and Veins transport blood away from the heart.
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3 years ago
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