Resting on top of the basilar membrane is the ____
a. organ of Corti
b. semicircular canals
c. cochlear duct
d. scala tympani
e. scala vestibuli
ANSWER: a
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Genomic studies of marine microorganisms has revealed that a considerable amount of the photosynthesis in the ocean is based on photopigments called proteorhodopsins.
Answer the following statement true (T) or false (F)
A slower than normal heart rate is called
a. tachycardia. b. bradycardia. c. hypocardia. d. hypercardia. e. hypothermia.
Cellular respiration is essential to eukaryotic cells because
A) it is a process of anabolic reactions necessary for DNA synthesis. B) it breaks down ATP molecules into ADP and a phosphate. C) the process releases energy from organic substrates. D) it releases energy from anabolic reactions, which then can be used to drive catabolic reactions. E) the process stimulates the catabolism of potentially toxic molecules absorbed during digestion.
If a cell contains only one member of each pair of homologues, it referred to as ________
Fill in the blank(s) with correct word