BIOL 103 : INTRODUCTION TO BIOLOGY UPDATED ACTUAL EXAM – UM

BIOL 103 : INTRODUCTION TO BIOLOGY UPDATED ACTUAL EXAM – UM


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

Question 1 options:

3’­CCACTGTGTTACAAG­5’



3’­TTATCGCGCCATAAG­5’



5’­TTATCGCGCCATAAG­3’



5 ­’CCACTGTGTTACAAG - 3'

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STRUCTURE OF DNA
Question 2 (5 points)


What molecule connects the sugars in a strand of DNA?

Question 2 options:

ribose



phosphate



deoxyribose



hydrogen

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Question 3 (5 points)


The nitrogenous base thymine is what type of base?

, Question 3 options:

monoamine



purine



pyrimidine



amino acid


Question 4 (5 points)


What type of bond keeps each individual DNA strand together?

Question 4 options:

covalent bonds



ionic bonds



hydrogen bonds



electrostatic bonds

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TRANSCRIPTION
Question 5 (5 points)


Transcription is the transfer of genetic information from .

Question 5 options:

DNA to RNA