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Shtirlitz [24]
3 years ago
11

What are stem cells?

Biology
1 answer:
OlgaM077 [116]3 years ago
6 0

Stem in plants:

Is the movement of material like water and minerals from roots to leaves. And they storage foods.

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Confused please help thanks
miskamm [114]

i think it is r next

8 0
3 years ago
Which mutations are beneficial? which might not make a difference? which ones are most harmful?
Julli [10]

Answer:

Mutations are random Mutations can be beneficial, neutral, or harmful for the organism, but mutations do not “try” to supply what the organism “needs.”

Explanation:

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3 years ago
Which of the following characteristics is directly related to the coding of a single amino acid during the process of translatio
likoan [24]

Answer:

C) the three-base sequence of mRNA

Explanation:

Three-base sequence of mRNA is called codon. One codon specifies a single amino acid. There are 64 codons in eukaryotic cells and three of them are stop codons (non-coding).

tRNA have three-base sequence called anticodon which is complementary to specific codon. During the process of translation codon and anticodon are paired which leads to addition of amino acid to growing polypeptide chain. Newly added amino acid is carried by tRNA.

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3 years ago
Where does positive selection of t cells occur?
erik [133]
Positive selection of t cells occur in .the thymus
3 0
3 years ago
Hey guys kisi ke pass raju naam ka following hai?​
Aleksandr-060686 [28]

Explanation:

\huge\sf\red{ nai }

6 0
3 years ago
Read 2 more answers
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