A cell cycle checkpoint at which phase would ensure sufficient nutrients for cell division were available?
a. S
b. prophase
c. metaphase
d. G1 or G2
e. G1 or S
ANSWER: d
You might also like to view...
Which of the following is NOT true of an
apical meristem?
a. the cells are undifferentiated b. it changes position as the plant increases in size c. growth from apical meristems is called primary growth d. it is responsible for the lengthening of the plant e. all of these are true of apical meristems
Identify the labeled structures of the digestive tract on the human body in the picture. 
A:________B:________C:________D:________E:________F:________G:________H:________I:________J:________K:________
What will be an ideal response?
Which of the following microbes has been genetically engineered to contain a protein that helps protect crops from freezing?
A. Deinococcus radiodurans B. Bacillus thuringiensis C. Pseudomonas D. Salmonella E. Escherichia coli
Bacteria isolated from Lake Natron, where the water pH is close to 10, are which of the following?
A. alkaliphiles B. facultative anaerobes C. neutrophiles D. obligate anaerobes