These organisms live either attached to a substrate or free-living on the ocean floor.
A. benthic
B. plankton
C. pelagic
D. littoral
A. benthic
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_______ is a genus of protist whose secondary host is a mouse and primary host is a cat. This parasitic protist, however, can infect a human fetus by crossing the placental barrier, ultimately causing brain damage.
a. Plasmodium b. Paramecium c. Trypanosoma d. Giardia e. Toxoplasma
Albinism, lack of pigmentation in humans, results from an autosomal recessive gene (a). Two parents with normal pigmentation have an albino child. What is the probability that their next child will be an albino girl?
A) 1/8 B) 1/2 C) 1/3 D) 1/4 E) 3/4
In addition to its white coloration, beluga whales possess another unique characteristic which is: a. the ability to forage in groups
b. the ability to bend its neck. c. the formation of a tusk d. the presence of two teeth.
Given the following plasmid, what are the sizes of the fragments you would expect from an XhoI digest?
What will be an ideal response?