Solutions
_____ Na+ ions are transported out of the cell and _______ K+
ions are transported into the cell for every ATP used. Na+/Ka+
pump is an example of (synporter/uniporter/antiporter)
transporter Correct Answers 3, 2, antiporter
A protein family is a group of proteins that: Correct Answers -
share a common evolutionary origin
- have related functions
- have similar amino acid sequence
- have similar sequence
Animal Tissue Types? Correct Answers 1. Epithelial Tissue
2. Connective Tissue
3. Muscle Tissue
4. Nervous Tissue
5. Blood
b-sheets are maintained by:
a. hydrogen bonds between side chains of amino acid residues
b. Disulfide bonds
c. hydrogen bonds between atoms of the peptide backbone
d. covalent bonds between side chains of amino acid residues
Correct Answers c. hydrogen bonds between atoms of the
peptide backbone
Chaperones recognize unfolded proteins by binding to
___________
a. Stretches of charged amino acids
, b. Stretches of non-polar amino acids
c. Stretches of polar amino acids
d. Chaperone binding domain Correct Answers b. Stretches of
non-polar amino acids
Fibrous proteins are mainly:
a. water soluble
b. water insoluble Correct Answers b. water insoluble
Fibrous proteins often perform:
a. metabolic functions
b. structural functions Correct Answers b. structural functions
Globular proteins are mainly:
a. water soluble
b. water insoluble Correct Answers a. water soluble
Globular proteins often perform:
a. metabolic functions
b. structural functions Correct Answers a. metabolic functions
How saturated lipids affect membrane fluidity?
a. They decrease fluidity
b. They increase fluidity of membranes with large amount of
unsaturated lipids
c. They increase fluidity of membranes with large amount of
saturated lipids
d. They increase fluidity Correct Answers a. They decrease
fluidity