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belka [17]
3 years ago
8

Cardiac muscle fibers function to:

Biology
1 answer:
stiks02 [169]3 years ago
5 0
Cardiac muscle fibers function is to contract the heart.
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Ilya [14]
It should be transport of waste but I’m not 100% sure :(
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3 years ago
"Now that you have come up with an equation that describes the relationship between amounts of different nucleotide bases in DNA
Dima020 [189]

Answer:

G - 21%

T - 29%

A - 29%

Explanation:

Nucleotide bases in DNA are complementary. Adenosine (A) binds to Thymine (T) while Cytosine (C) binds to Guanine (G). Hence the composition of A in DNA is the same as that of T; and that of C is the same as that of G.

From the information given, C is 21%

Therefore G is also 21% of the genome as  C is bound to G, the therefore are the same proportion.

C and G make up 42% of the genome (that 21% + 21%).

The remaining 58% (100%-42%) is made up of A + T

Similarly the proportion of A is equal to that of T,

Hence A is 29% (half of 58%) and T is 29%.

4 0
3 years ago
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What are the steps of DNA Replication in order?
slega [8]

Explanation:

1) The enzyme helicase catalyses the unwinding of the two DNA strands by disrupting the hydrogen bonds between complementary base pairs.

2) Single-stranded binding proteins attach to the DNA strands to stabilise them and prevent them from joining back together.

3) The enzyme primase catalyses the addition of a short primer consisting of RNA nulceotides to the DNA strand. This serves as an 'anchor' DNA polymerase to initiate replication.

4) The enzyme DNA polymerase synthesizes a new DNA strand by incorporating DNA nucleotides complementary to the existing strand. DNA polymerase activity only occurs in the 5' ---> 3' direction.

5) The enzyme ligase catalyses the formation of hydrogen bonds between the two new pairs of DNA strands, and seals any breakages in the sugar-phosphate backbone.

6 0
3 years ago
How does a photovoltaic cell convert light to electricity?
Alecsey [184]

Answer:

I'm glad you asked!

Explanation:

The answer is light excites electrons that create a current.The Photo voltaic cell puts the light into a type of electricity and BOOM ,there you have it!

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3 years ago
Which structure would you not find in a prokaryotic cell?
MAVERICK [17]

Answer:

you won't find the nucleus in prokaryotic cells

4 0
3 years ago
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