Which letter(s) indicate(s) the process during which oxygen is consumed?
a. A
b. B
c. C
d. D and E
c. C
Oxygen is the last electron acceptor at the end of the electron transport chain. After an oxygen atom is reduced to its ion, it reacts with hydrogen ions to form water.
You might also like to view...
Where are lysosomal enzymes synthesized?
A. on the rough endoplasmic reticulum B. in the cytosol C. on the Golgi apparatus D. in a vesicle
Which of the following statements explains why restriction enzymes are not useful for genome-wide studies of genetic variation?
A. There is simply too much DNA that has to be cut in order to get any information. B. The differences in restriction sites are evened out when looking at the entire genome. C. Using restriction enzymes will only tell us differences in sequence variation in restriction sites. D. Restriction enzymes only recognize sequences found in genes. E. None of the answer options is correct.
In spermatogenesis, ________.
A. diploid gametes are produced B. both sperms and ovules are produced C. haploid sperms are produced D. diploid sperms are produced
A broad land or ocean region defined by
climate, geography, and producers is called a. an ecoregion. b. a hot spot. c. a realm. d. a habitat island. e. the biosphere