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stealth61 [152]
3 years ago
6

What is an example of the effect of environmental factors on cell differentiation?​

Biology
1 answer:
yanalaym [24]3 years ago
3 0

Answer:

Environmental factors can alter gene expression, cell signalling and cell differentiation.

Explanation:

  • Environmental factors can change, stop or disrupt the process of cell signalling and gene expression in organisms.
  • The environmental factors are drugs, chemicals, temperature, etc.
  • With the effect of environmental factors, the organism will try to adapt to the environment by changing the internal process.
  • In case of adaptation, some organism may survive to the changing environment but there is a risk of exhibiting defects and in some case, the result can be death.

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Answer:

Part A: Thr-Leu-Val

Part B: ACC-UUG-GUU

Explanation:

When you transcribe a DNA sequence to mRNA, you need to remember that in RNA there is no Thymine (T), instead it has Uracil (U). So the base pairings would be like this compared to DNA base pairing:

DNA                RNA

A-T                  A-U

T-A                  T-A

C-G                 G-C

G-C                 C-G

Given the sequence the transcription will be as follows:

DNA :   TGG - AAC - CAA  

mRNA: ACC - UUG - GUU

Next, to translate it into amino acids, you will use the chart. Now amino acids pair in codons (3 base pairs at a time).  Let's take the first codon in your sequence:

ACC

1st  2nd   3rd

 A     C       C

Using the column on the left, find the row that matches it, so in this case A.

At the very top, there is another row of letters, looking at the row of A only, look for the column of the second base which is C.

Lastly, look at the right most column and find the letter that matches the third base within the box where A and C intersect. In this case, C is your third base.

The amino acid where all three intersect is your first amino acid which is Thr.

Just do this for the next codons and you will come up with the answer.

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Answer:

I would say true

Explanation:

they do produce 4 different chromosomes

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The correct answer would be D my friend had this same question on FLVS and this was correct :) 
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