Which organ system delivers nutrients and
oxygen to the cells?
a. respiratory
b. urinary
c. digestive
d. lymphatic
e. circulatory
E
You might also like to view...
The lactose repressor
A. is transcribed with the structural lac genes. B. is inactivated by binding lactose. C. requires lactose for its transcription. D. is activated by binding lactose.
Consider how many of each type of atom is present in a single molecule of glucose. Which of the following pairings is incorrect?
a. H = 12 b. O = 12 c. C = 6
ATP is formed when ____ the thylakoid
compartment.
a. hydrogen ions enter b. hydrogen ions leave c. electrons leave d. electrons enter e. water is split in
In attempting to construct a universal phylogeny, researchers analyzed several different gene sets. The results of this analysis are not congruent (see accompanying figure)
The most likely explanation for this, as proposed by Carl Woese and others, is ________ [three words] in early populations, which would account for these discrepancies. Fill in the blank(s) with correct word