Which of the following is a function of the excretory system?
a. elimination of nitrogenous wastes
b. maintenance of salt balance
c. production of urine
d. maintenance of the water balance
e. All of the listed responses are correct.
Ans: e. All of the listed responses are correct.
You might also like to view...
Which of the following branches of biology examines the form and variety of organisms in their
natural environment?
a. Taxonomy b. Natural history c. Comparative morphology
d. Biogeography e. Geology
Cells contain proteins that help transport substances from the exterior to the interior of the cell. Where are these proteins found?
A) Golgi apparatus B) lysosome C) mitochondrion D) plasma membrane
Which of the following is (are) proposed to be a function of telomeres?
a) They are required for the complete replication of the chromosome. b) They prevent the ends of chromosomes from fusing with one another. c) They form caps that protect the chromosomes from nucleases and other destabilizing influences. d) All of the choices are correct.
Some bacteria are resistant to erythromycin as a result of mutation of their ribosomal RNA. What type of resistance does this represent?
A. alteration of the target of the drug B. inactivation of the drug C. change in the permeability of the drug D. overproduction of an enzyme in a key metabolic pathway E. removal of the drug via a pump