Photosystems are mainly
a. a grouping of energy-trapping molecules.
b. enzymes for splitting water.
c. a cluster of ATP molecules.
d. a sugar assembly site.
e. assemblies of thylakoids
A
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Exoskeletons are most characteristic of
a. Mollusca b. Arthropoda c. Nematoda d. Chordata e. Annelida
In which structure would you find oxygenated blood?
a. right atrium b. right ventricle c. pulmonary veins d. pulmonary arteries e. superior and inferior vena cava
What feature do all protists share?
A. mode of locomotion B. method of food consumption C. method of obtaining energy D. mode of reproduction E. None of the answers are correct.
It causes lysis of host cells.
a. It can give infected pathogens the genetic information for toxin production. b. It is a "silent" infection; the virus does not replicate. c. Prophage is inserted into the host genome. d. Lytic cycle may follow lysogeny.