What term includes the variety of species in an area of interest?
A) biomass
B) biodiversity
C) the trophic pyramid
D) the ecological niche
B
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Blood pressure is highest in the _____ and lowest in the _____
a. arteries; veins c. veins; arteries b. arterioles; venules d. capillaries; arterioles
A peptide bond is found between the amino group of one amino acid and the ____________________ group of a
second amino acid. Fill in the blank(s) with the appropriate word(s).
The polymerase chain reaction (PCR) is a lab technique that ultimately results in which of the following?
A) the ability to transfer genes using plasmids B) a large clone library C) duplication of a small strand of DNA into billions of copies D) the isolation of a particular gene from a donor species E) the use of a radioactive probe to isolate a gene from a gene library
Mollusks possess all of the following except which anatomical feature?
a. Foot b. Mantle c. Visceral mass d. Notochord e. Heart