Which of the following groups would contain the largest number of organisms?
a. class
b. order
c. phylum
d. family
Ans: c. phylum
You might also like to view...
_______ is the use of a gene sequence to synthesize a functional protein
A. Loss-of-function mutation B. Gene expression C. The human genome project D. Proteonomics E. None of these
The species of Moraxella that is most commonly associated with human infections, primarily of the respiratory tract, is:
a. M. catarrhalis. b. Moraxella lacunata. c. Moraxella canis. d. Moraxella atlantae.
During binary fission, each daughter cell inherits a copy of the original circular chromosome. What mechanism transfers a copy into each new cell?
a. After replication the chromosomes acquire a negative charge, repelling each other. b. FtsZ proteins between the chromosomes build temporary spindles, pushing them apart. c. Each chromosome attaches to the plasma membrane and is drawn apart as the cell elongates. d. The FtsZ ring forms in the middle of the chromosomes, separating them as the septum expands.
Which of the following is the cause of more than half of all deaths in the United States?
A) cardiovascular disease B) flu C) cancer D) diabetes