The correct order for the stages of a phage infection is
A.
penetration, transcription, attachment, replication of nucleic acid and protein, assembly, release.
B.
attachment, penetration, transcription, replication of nucleic acid and protein, assembly, release.
C.
attachment, replication of nucleic acid and protein, penetration, transcription, assembly, release.
D.
transcription, attachment replication of nucleic acid and protein, assembly, penetration, release.
B
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Spatial perception and the recognition of familiar objects require activity in which of the following cortical regions?
a. Visual association areas b. Primary olfactory cortex c. Orbitofrontal cortex d. Auditory association areas
Epistasis and multiple alleles differ in that
A) epistasis is an interaction between two genes, and multiple alleles are variants of the same gene. B) epistasis affects males and multiple alleles occur in females. C) epistasis only occurs in genes that have multiple alleles. D) in epistasis one gene masks another, but one allele cannot mask the effect of another.
You can painlessly wade into a pool, but doing a belly flop off of the high diving board hurts because of
A. cohesion in water. B. water's high boiling point. C. water's high density. D. water's neutral pH. E. adhesion in water.
Which statement about parasitism is true?
a) The host is generally smaller than the parasite. b) There are examples of parasites in every kingdom of life. c) Parasites are always severe and kill the host. d) All parasites will remain attached to their host for the entire life span of the host. e) All parasites require a single host for their life cycle.