Molecular Genetics & Biotechnology Review

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

Which two scientists are accredited with correctly deducing the double helix model of DNA?

• Watson and Crick
• Wilkins and Franklin
• Wilkins and Crick
• Watson and Franklin

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

Tags

NGSS.MS-LS4-4

NGSS.MS-LS3-1

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

What is the complement to the DNA strand below:
5'-ATGCCAT-3'

• 5'-TACGGTA-3'
• 3'-TACGGTA-5'
• 3'-ATGGCAT-5'
• 5'-ATGGCAT-3'

What is the difference between the sugars found in DNA and RNA?

• RNA contains glucose
• RNA contains sucrose
• RNA contains deoxyribose
• RNA contains Ribose

What is the difference between DNA and RNA in terms of bases?

• RNA contains uracil in place of thymine
• RNA contains uracil in place of adenine
• RNA contains uracil in place of guanine
• RNA contains uracil in place of  cytosine

A nucleotide that can be found in both DNA and RNA would look like...

• phosphate group, sugar, thymine
• phosphate group, sugar, uracil
• Phosphate group, sugar, guanine
• phosphate group, ribose, guanine

Which type of RNA takes the instructions from the nucleus to the cytoplasm?

• mRNA
• tRNA
• rRNA
• RNA polymerase

How many nucleotides make a codon?

• 1
• 2
• 3
• 6