Bacteria and plants both have a rigid cell wall outside the cell membrane
Indicate whether the statement is true or false
TRUE
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Recombinant DNA technology is used to
A) create many copies of a specific piece of DNA. B) make more copies of DNA polymerase. C) copy protein into RNA. D) make RNA in the cell nucleus.
Which of the following is a specific function of the cerebrospinal fluid?
A) thinking B) promoting inflammation C) bone building D) shock absorption
Sexual reproduction in zygomycetes differs from sexual reproduction in basidiomycetes in one key way. Which of the following is true of zygomycetes, but not true of basidiomycetes?
A. Haploid nuclei fuse in the process of karyogamy to form a diploid nucleus B. Mushrooms are formed of secondary (dikaryotic) mycelium C. Gametangia of opposite mating types undergo plasmogamy D. Meiosis to produce haploid spores is delayed, resulting in a discrete diploid state
Which of the following is an example of macroevolution?
a. The origin of eyes capable of producing a focused image in both invertebrates and vertebrates= b. The spread of antibiotic resistance within a population of bacteria c. Decrease in the prevalence of the sickle-cell allele in populations outside the range of mosquitoes that transmit malaria d. Selection against a form of albinism caused by a genetic change at a single locus e. All of the listed responses are examples of macroevolution.