Which atmospheric component does NOT significantly affect global temperatures?
a. carbon dioxide
b. methane
c. oxygen
d. ozone
e. water
ANSWER: c
You might also like to view...
Four of the five answers listed below are
people who were involved in the discovery of the structure of DNA. Select the EXCEPTION.
a. Wilkins b. Wallace c. Watson d. Franklin e. Crick
The enzyme ________, that is found in tears and saliva, can hydrolyze the bonds in the glycan chains of certain bacterial cell walls.
Fill in the blank(s) with the appropriate word(s).
If you repeated the Hershey and Chase experiment designed to determine the molecule of heredity using a virus with RNA as its genetic material, you would expect that
A) 35S-labeled protein would be transferred to infected cells. B) 32P-labeled DNA would be transferred to infected cells. C) 32P-labeled RNA would be transferred to infected cells. D) 32P-labeled RNA would be transferred to phage ghosts. E) 35S-labeled RNA would be transferred to infected cells.
Which of the listed contraceptive methods is the most effective?
a. withdrawal b. diaphragm c. condoms d. douching e. rhythm method