Multiple Choice
The difference between normal and sickle-cell hemoglobin is _____.
A) the number of amino acids in the molecule
B) the substitution of one amino acid for another
C) the number and orientation of the amino acid chains attached to the heme portion of the molecule
D) the number of oxygen molecules that can be carried
E) the types of blood cells that produce each protein
Correct Answer:
Verified
Correct Answer:
Verified
Q34: Ricin inactivates _.<br>A) proteins<br>B) ribosomes<br>C) DNA<br>D) transcription
Q35: Which RNA acts as an enzyme?<br>A) mRNA<br>B)
Q36: Epigenetic modifications _.<br>A) are considered evolutionary<br>B) are
Q37: Transcription factors bind to _.<br>A) promoters<br>B) stop
Q38: The master gene for male sex determination
Q40: Matching<br>Match each term with the most appropriate
Q41: Match each term with the most appropriate
Q42: Which types of cells are most likely
Q43: In prokaryotes, transcription occurs in the _.<br>A)
Q44: Homeotic genes are, in general, in control