Barton Community College BIO 198 Module 4 Class 1 quiz 1)In RNA, what nucleotide replaces Thymine? a

Barton Community College

BIO 198

Module 4 Class 1 quiz

1)In RNA, what nucleotide replaces Thymine?

a.            Cytosine b. Uracil

c.             Adenine

d.            Guanine

2.            From Module 3, what monomer makes up a protein? a. Amino Acids

b.            Nucleotides

c.             Monosaccharides (sugar)

d.            Fatty Acids

3.            mRNA nucleotides are read by the ribosome in pairs of three (called codons) So the codon ACU codes for the amino acid Threonine(Thr). Using the genetic code, what mRNA sequence (or codon) codes for Histidine (His)?

a.            CGG

b.            GUA

c.             CAA d. CAU

4.            The codon UAU, which codes for Tyrosine (Tyr), is mutated somehow to UCU. What is the amino acid that will be synthesized in Tyrosine’s place?

a.            Leucine (Leu)

b.            Tyrosine (Tyr) c. Serine (Ser)

d. Cysteine (Cys)

5.            Similar to DNA in DNA replication, RNA is synthesizing in what direction during transcription?

a.            5’ to 3’

b.            3’ to 5’

c.             both 5’ to 3’ and 3’ to 5’

d.            none of these are correct