Which of the following groups does not include many planktonic species?
A) kinetoplastids.
B) foraminferans.
C) diatoms.
D) dinoflagellates.
E) radiolarians.
Ans: A) kinetoplastids.
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Horizontal gene transfer is not thought to play a major role in the exchange of which of the following genes between bacterial species?
A. genes encoding rRNAs B. genes conveying antibiotic resistance C. genes involved in nitrogen fixation D. genes involved in bacterial photosynthesis
Which of the following is a function of plasma membranes?
A) communicating directly with the cell nucleus B) organizing cellular processes C) regulating transportation of materials in and out of a cell D) producing proteins and hormones
The genotype of an individual with the dominant phenotype can be determined best by reproduction with
a. a homozygous recessive individual. b. an individual with the dominant phenotype. c. a heterozygote. d. None of these are correct.
List the pathway a single red blood cell would follow from the superior vena cava to the lungs
What will be an ideal response?