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Biology 101 Quiz 5 Questions/Answers (100% Correct solution)

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Biology 101 Quiz 5 UMUC; BIO. 101 QUIZ: 5, DNA REPLICATION Question 1 (5 points) If a strand of DNA of sequence 5’-TGGACCTAGACC-3’ is replicated, which of the following accurately represents the newly synthesized DNA strand? Question 1 options: 5’-ACCTGGATCTGG-3’ 3’-ACCTGGATCTGG-5’ 3’...

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  • May 11, 2022
  • 16
  • 2021/2022
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Biology 101 Quiz 5
UMUC; BIO. 101
QUIZ: 5,



DNA REPLICATION

Question 1 (5 points)



If a strand of DNA of sequence 5’-TGGACCTAGACC-3’ is replicated, which of the following accurately
represents the newly synthesized DNA strand?

Question 1 options:

5’-ACCTGGATCTGG-3’

3’-ACCTGGATCTGG-5’

3’-ACCUGGUTCTGG-5’

5 -’ACCUGGUTCTGG - 3'

STRUCTURE OF DNA

Question 2 (5 points)



The nitrogenous base thymine is what type of base?

Question 2 options:

monoamine

purine

pyrimidine

amino acid

Previous PageNext Page
Question 3 (5 points)



What type of bond keeps each individual DNA strand together?

,Question 3 options:

covalent bonds

ionic bonds

hydrogen bonds

electrostatic bonds

Question 4 (5 points)



Which of the following accurately shows DNA base pairing and hydrogen bond number?

Question 4 options:

Adenine—Thymine, 2 hydrogen bonds

Adenine—Thymine, 3 hydrogen bonds

Cytosine - Guanine, 2 hydrogen bonds

Cytosine - Guanine, 4 hydrogen bonds

Question 5 (5 points)



What molecule connects the sugars in a strand of DNA?

Question 5 options:

ribose

phosphate

deoxyribose

hydrogen

TRANSCRIPTION

Question 6 (5 points)



Transcription is the transfer of genetic information from .

Question 6 options:

, mRNA to DNA

tRNA to mRNA

DNA to mRNA

mRNA to tRNA

Question 7 (5 points)



Which enzyme is required during transcription?

Question 7 options:

restriction enzymes

DNA polymerase

RNA polymerase

RNAase

HOW GENES ARE REGULATED
Question 8 (5 points)



Control of gene expression in eukaryotic cells occurs at which level(s)?

Question 8 options:

only the transcriptional level


epigenetic and transcriptional levels


epigenetic, transcriptional, and translational

levels


epigenetic, transcriptional, post-transcriptional,

translational, and post-translational levels

TRANSLATION

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