1.Comment how yeast manage cellular levels of nitrogen 2.Where would expect to f
ID: 63897 • Letter: 1
Question
1.Comment how yeast manage cellular levels of nitrogen
2.Where would expect to find these glycerophospholipids in plants
3.Which of the following is / are a common precursor(s) for plant sterols and terpenoids?
a. 3-hydroxy-3-methyl glutaryl CoA
b. Isopentyl diphosphate
c. Squalene
d. 3-hydroxy-3-methyl glutaryl CoA and Isopentyl diphosphate
e. 3-hydroxy-3-methyl glutaryl CoA, Isopentyl diphosphate and squalene
4. Enzymes that catalyse the synthesis of long chain fatty acids in plant cells:
a. Act as separate freely associated proteins
b. Are encoded by mitochondrial DNA
c. Are localised in the mitochondrial matrix
d. Act as part of a single polypeptide containing distinct enzyme activities
e. Have none of these characteristics
Explanation / Answer
2. Glycerophospholipids are the lipids located at cell membranes of plant cells, they are comparable to phospholipids in animal cell membranes and serve the same functions.
3. c. Squalene.