Multiplue choice. Answer the following: 1.) According to the central dogma, what

ID: 80039 • Letter: M

Question

Multiplue choice. Answer the following:

1.) According to the central dogma, what molecule should go in the blank?
DNA _____ Proteins

Select one:

a. rRNA

b. mRNA

c. mtDNA

d. tRNA

2.) Alternative RNA splicing _____.

Select one:

a. can allow the production of proteins of different sizes and functions from a single mRNA

b. can allow the production of similar proteins from different RNAs

c. increases the rate of transcription

d. is a mechanism for increasing the rate of translation

3.) CAP is said to be responsible for positive regulation of the lac operon because _____.

Select one:

a. CAP bound to the CAP-binding site increases the frequency of transcription initiation

b. CAP prevents binding of the repressor to the operator

c. CAP binds cAMP

d. CAP binds to the CAP-binding site

4.) Garrod hypothesized that "inborn errors of metabolism" such as alkaptonuria occur because _____.

Select one:

a. metabolic enzymes require vitamin cofactors, and affected individuals have significant nutritional deficiencies

b. enzymes are made of DNA, and affected individuals lack DNA polymerase

c. genes dictate the production of specific enzymes, and affected individuals have genetic defects that cause them to lack certain enzymes

d. certain metabolic reactions are carried out by ribozymes, and affected individuals lack key splicing factors

1. b. mRNA

2. a. a. can allow the production of proteins of different sizes and functions from a single mRNA

3. a. CAP bound to the CAP-binding site increases the frequency of transcription initiation

4. c. genes dictate the production of specific enzymes, and affected individuals have genetic defects that cause them to lack certain enzymes

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.