Specific control points that are sensitive to extracellular conditions regulate G1-S transition in eukaryotic cells. Passage through the yeast Start point requires sufficient ________,
whereas passage through the animal cell restriction point requires the presence of ________.
Fill in the blank with correct word.
Answer: nutrients; growth factors
You might also like to view...
Measurements of the amount of DNA per nucleus were taken on a large number of cells from a growing fungus. The measured DNA levels ranged from 3 to 6 picograms per nucleus. In which stage of the cell cycle did the nucleus contain 6 picograms of DNA?
A) G0 B) G1 C) S D) G2 E) M
Somatostatin is secreted by
a. pancreatic islet cells. b. the thyroid gland. c. the pituitary gland. d. the adrenal medulla. e. the adrenal cortex
When fermentation occurs in grapes left on the vine, the final product is the ethanol used to make wine. When fermentation occurs in our muscles, the final product is:
a) oxygen. b) 2 lactic acid molecules. c) 2 NADH molecules. d) 2 ATP molecules. e) ethanol as well.
The "genetic code" determines the types of proteins made by a cell. The term "genetic code" refers to:
What will be an ideal response?