1. List the DNA complementary base for each of the following nucleotides: thymin

Question

1. List the DNA complementary base for each of the following nucleotides: thymine 2. List the RNA complementary base for each of the following nucleotides: adenine cytosine guanine thymine 3. A. Name the process that copies DNA so that one parent strand of DNA becomes two strands of DNA. B. Is the process conservative or semi-conservative? What does your answer in Part B mean? D. Name the enzyme responsible for the process in Part A. E. Where in the cell does this occur? 4. A. Name the process which transfers genetic information from DNA to RNA. B. What enzyme is responsible for this process? Where in the cell does this occur? D. What is the name of the site on the DNA where this process begins? E. What is RNA splicing? 5. Give the nucleotide sequence for the mRNA produced from a gene with the following sequence: T A C A T G G C T A C T

Explanation / Answer

1.

Adenine-----Thamine

Cytisine---Guanine

Guanine--Cytosine

thamine--Adenine

2.

Adenine--Uracil

Cytisine---Guanine

Guanine--Cytosine

Thiamine--Adenine

3.

A.Replication

B. The process is semi conservative.

C. The replicated DNA has one parental strand and one newly synthesized strand.Because it conserve one parental strand it is called as semi conservative.

D. DNA polymerase-III

E. This occurs in the S phase of cell cycle.

4.

A. Transcription

B. RNA polymerase

C. Cytoplasm in Prokaryotes and in the nucleus in case of eukaryotes

D. Promotor

5.

A U G U A C C G A U G A

6.

A. Translation

B. Ribosome

C. rRNA

D. AUG

E. tRNA

F. GAC

8.

GAGCGAUCCGCUAACUGA

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