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nadya68 [22]
3 years ago
11

DNA replication of chromosomal DNA in a cell requires all of the following, EXCEPT A) DNA polymerase B) primase C) helicase D) R

NA polymerase E) ligase
Biology
2 answers:
Viktor [21]3 years ago
8 0

Answer:

The correct answer is D)RNA polymerase

Explanation:

In DNA replication many enzymes and proteins are required to replicate a DNA template. For initiation of DNA synthesis the two DNA strands must be separated which is done by helicase.

Then primase adds short nucleotide sequence and initiate DNA replication. After that DNA polymerase acts and adds nucleotide at the 3' end of growing  DNA strand. Ligase is the enzyme that joins the two Okazaki fragments that are created in the lagging strand.

RNA polymerase is not required in DNA replication and it works in transcription therefore the correct answer is RNA polymerase.

MakcuM [25]3 years ago
8 0

Answer:

RNA polymerase

Explanation:

DNA polymerase, primase, helicase, and ligase are all enzymes required by cell for DNA replication. RNA polymerase is an enzyme for RNA synthesis and not DNA.

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2. Write the complementary code for the following DNA replication.<br> A A T C G G C A T T A C O
Harlamova29_29 [7]

Answer:

T T A G C C G T A A T G   is the complementary DNA strand.

Explanation:

A=T  G=C  C=G  T=A

this is the key to all DNA complementary strands.

(not sure what the "O" was at the end but- it's ok)

Hope this helps! :)

4 0
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Explain how dark matter affects models of the fate of the universe
grigory [225]

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Give a short one sentence definition for ‘solute potential’
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Answer:

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What would happen if glycolysis could not happen in a cell?
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Answer:

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7 0
3 years ago
In cattle, RR = red, Rr = roan, and rr = white. What are the predicted color phenotypes for the offspring from crosses between:
timofeeve [1]

Answer:

a) 100% roan

b) 50% red, 50% roan

c) 50% roan, 25% red, 25% white

Explanation:

a) A red bull has the phenotype RR, a white cow has the phenotype rr. Let's do a punnett square. In its gametes, the bull only has R alleles to pass on, and the cow only has r alleles to pass on:

                               Bull

                        R               R

                r      <em>Rr             Rr</em>

Cow    

               r      <em> </em><em>Rr             Rr</em>

The offspring can only be Rr, so all of them will be roan. (100% roan).

b) A red bull has the phenotype RR, a roan cow has the phenotype Rr. Let's do a punnett square. In its gametes, the bull only has R alleles to pass on, and the cow has an R allele and an r allele to pass on:

                               Bull

                        R               R

               R      <em>RR            RR</em>

Cow    

               r      <em> </em><em>Rr             Rr</em>

<em />

50% of the offspring will be RR, and 50% will be Rr. So half of the offspring will be red, and half will be roan.

c) A roan bull has the phenotype Rr, a roan cow has the phenotype Rr. Let's do a punnett square. In its gametes, the bull has an R allele and an r allele to pass on, and the cow also has an R allele and an r allele to pass on:

                               Bull

                        R               r

               R      <em>RR            Rr</em>

Cow    

               r      <em> </em><em>Rr             rr</em>

<em />

25% of the offspring will be RR, 50% will be Rr, and 25% will be rr. So half of the offspring will be roan, a quarter will be red, (RR), and a quarter will be white (rr)

6 0
3 years ago
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