What is the only group of Mollusca that does NOT have a radula?
A) Bivalves
B) Gastropods
C) Chitons
D) Cephalopods
E) All mollusk have a radula.
Answer: A
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If a restriction endonuclease cuts a linear DNA three times, how many fragments should there be after
the DNA is subjected to electrophoresis through an agarose gel?
a. 1 b. 2 c. 3 d. 4 e. 5
What is the main purpose of flowers?
A. To attract attention in the landscape B. To attract pollinators C. To attract predators D. To be pleasing to the human eye
Which of the following is not a form of genetic drift?
A) Founder effect B) Nonrandom mating C) Population bottleneck D) Heterozygote advantage E) All of these are forms of genetic drift.
Which of these choices represents one possible corresponding mRNA sequence that can be transcribed from the following DNA template? 5? - CTGTATCCTAGCACCCAAATCGCATTAGGAC - 3?
A) 5? - ATG CGA TTT GGG TGC TAG - 3? B) 5? - AUG CGA UUU GGG UGC UAG - 3? C) 5? - AUG CGA UUU GGG UGC - 3? D) 5? - CTA GCA CCC AAA TCG CAT TAG - 3? E) 3? - GGA CAU AGG UAC GUG GGU UUA GCG UAA UCC UG - 5?