If a cell has 20 chromosomes in it, how many are there after replication occurs?
a. 30
b. 40
c. 50
d. 60
Answer: b. 40
Biology & Microbiology
You might also like to view...
Of the following, which is associated with the production of multiple mRNAs from a single gene?
A) alternative splicing B) spliceosome mutations C) polycistronic organization D) gene rearrangement E) both choices B and C
Biology & Microbiology
In Figure 23-2, the X points to a
a) guard cell. b) mesophyll cell. c) vein. d) stoma.
Biology & Microbiology
During fermentation, ATP is usually produced by
a. oxidative phosphorylation. b. the citric acid cycle. c. the proton motive force. d. substrate-level phosphorylation.
Biology & Microbiology
Thiamin, riboflavin, and niacin play an important role in assisting enzymes involved in _____ metabolism
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology