The greater the amount of resources, the faster the growth and development of an organism
a. True, resources promote growth and development.
b. False, in excess, some resources can be toxic.
c. True, a lack of resources can lead to sickness and disease.
d. False, some resources are limited.
B
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Like other members of their phylum, jellyfishes have specialized stinging cells called ____ as part of their epidermis,
which they use to paralyze small prey.
a. choanocytes b. polyps c. cnidocytes d. flame cells e. tentacles
Three fatty acids bonded together with a glycerol are found in a(n):
A. triglyceride. B. phospholipid. C. alcohol. D. enzyme. E. chlorophyll pigment.
Adenoviruses are a frequent cause of acute upper respiratory tract infections in humans. Adenoviruses have a genome composed of double-stranded DNA; they are non-enveloped and their capsid contains a "fiber" protein that is analogous in function to the spike glycoproteins of HIV. Latency of the adenovirus can occur in lymphoid tissues. Based on this information, which of the following would be the best type of drug to develop to combat adenoviruses in humans?
A. a combination of drugs that inhibit reverse transcriptase and that binds to fiber protein receptors in human cells B. a drug that binds to fiber protein receptors in human cells C. a drug that inhibits reverse transcriptase D. a combination of drugs that inhibit reverse transcriptase, binds to fiber protein receptors in human cells, and switches off latency E. a drug that can switch off latency
In the event of extensive DNA damage in a eukaryotic cell, p53 will
a. stimulate Rb. b. initiate the S phase. c. inhibit DNA repair. d. initiate apoptosis. e. inhibit MDM2 transcription.