Biochem

Question 1

When a contraction occurs in a smooth muscle cell, there is very often a contraction in an adjacent smooth muscle cell. Why does this occur?

Answer 1

Electrical and/or chemical communication occurs between adjacent muscle cells

Question 2

Pyruvate decarboxylation during aerobic respiration results in:

Answer 2

The citric acid cycle

Question 3

SDS is used primarily in protein electrophoresis to:

Answer 3

Ensure the separation is due to differences in size alone

Question 4

The glycosidic bonds found in glycogen are:

Answer 4

mostly a-1,4 linkage with some a-1,6 linkages

Question 5

Flavoproteins are most abundant in the:

Answer 5

Mitochondria

Question 6

Membranes with less fluidity will do what when placed in a hypotonic solution?

Answer 6

Show less swelling since the cell membrane is less flexible

Question 7

What amino acid contributes to the absorption spectrum maximum around 275 nm that is detected in UV-visible spectroscopy?

Answer 7

Tyrosine