A single carbon atom can form a maximum of ________ covalent bond(s)
A) 0
B) 1
C) 2
D) 4
D
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Dense mineralized bone tissue that forms the walls of the shafts of long bones is known as:
A. condensed bone. B. spongy bone. C. compact bone. D. trabeculae.
Plants that are called C4 plants are better able to utilize ________ than C3 plants.
A. oxygen B. minerals C. water D. carbon dioxide E. chlorophyll
What effect do high frequency sounds tend to have on the ear?
A. displace the whole length of the basilar membrane with a maximum near the apex B. move only the basal portion of the basilar membrane C. move only the apex portion of the basilar membrane D. move only the portion of the basilar membrane between the basal portion and the apex E. only move the tectorial membrane
The fate of the mannose-6-phosphate receptors that bind and take up lysosomal hydrolases into lysosomal transport vesicles is that they
a. are transported to lysosomes and hold the lysosomal hydrolases there. b. are transported to lysosomes and degraded there. c. release the lysosomal hydrolases in the late endosomes and are recycled in vesicles back to the Golgi. d. are degraded in late endosomes, allowing the release of the lysosomal hydrolases.