Most of the organisms of the supralittoral fringe of sandy beach cope by:
a. moving out of the area during low tide.
b. closing their shells.
c. living in permanent or semi-permanent tubes and burrows.
d. tolerating desiccation.
e. migrating into upper tidal zones.
C
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The program BLAST would be best used for what purpose?
A. Determining what restriction sites are present in a fragment of DNA B. Identifying a promoter sequence C. Identifying splice donor and acceptor sites D. Identify related sequences to a given DNA sequence in the Genbank database
An allopolyploid is
a. a polyploid that arose from a hybrid individual. b. a species that arose parapatrically. c. an allopatrically arising species. d. a polyploid arising from a single diploid individual. e. any sympatrically arising species.
Which cells display digested viral cell fragments on their surface?
a. dendritic cells b. helper T cells c. cytotoxic T cells d. memory T cells e. B cells
Although this bacteria is typically found in soil and water, burn wound patients are susceptible to ___infection.
What will be an ideal response?