Of the mollusks, octopuses are in the class of
A. bivalves.
B. gastropods.
C. cephalopods.
D. deuterostomes.
Answer: C
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In Mendel's garden peas, each cell in a pea plant has a total count of:
A. one allele for each gene. B. two alleles for each gene. C. one allele for each gene if it is a truebreeding parent and two if it is an F1 offspring. D. one allele for each gene if it has green seeds and two if it has yellow seeds. E. between one and four alleles for each gene.
As herbivores adapt to a plant's defenses, the plant will always allocate more and more resources to those defenses to deter the herbivore
A. true B. false
The process by which bacterial cells transfer DNA is
a. horizontal gene transfer. b. conjugation. c. transduction. d. transformation. e. all of these.
Which of the following is NOT true about exons?
a. They are retained sequences in the final RNA product. b. They have a 5? and a 3? end. c. They are removed when the primary transcript is processed. d. Their sequences are in the same order in the gene and in the RNA. e. All of the above are true