In ferns, the ________ generation is dominant
A. haploid gametophye
B. diploid gametophyte
C. haploid sporophyte
D. diploid sporophyte
E. haploid prothalophyte
D
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Vitamin C is an example of what kind of helper molecule in the metabolic pathway that results in collagen?
a. Vitamin C is a coenzyme. b. Vitamin C is substrate c. Vitamin C is the active site. d. Vitamin C is a competitive inhibitor.
During inflammation, activated mast cells
release
a. cytokines. b. histamines. c. complement and cytokines. d. prostaglandins. e. histamines and prostaglandins
What is needed in the following reaction: ____ + Pi + energy ? ADP
a. ATP b. H2O c. AMP d. cAMP e. glucose-P
Based on diversity, life is divided into Bacteria, Archaea, and Eukarya. These groupings are called ______.
A. protists B. eukaryotics C. domains D. kingdoms