Under strictly controlled conditions, a probe can be used that will hybridize only with its complementary sequence and not with other sequences that may vary by as little as one nucleotide. What are such probes called?
A) generation-specific probes
B) microsatellites
C) allele-specific oligonucleotides (ASOs)
D) VNTRs
E) short, variable repeats
C
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Leptospirosis is often contracted
A. by eating infected animals. B. by eating contaminated vegetables. C. from contaminated animal urine. D. by the respiratory route.
Kinases are enzymes that can phosphorylate (transfer phosphate groups onto) macromolecules such as proteins. A particular kinase, Kinase 1 is known to promote cell division. It promotes cell division by phosphorylating Protein X. Phosphorylation of Protein X activates Protein X. Once activated, Protein X stimulates the production of other proteins such as Protein Y and Z that directly promote cell division. In order to function, Kinase 1 requires the presence of Metal A. However, in the presence of Protein A, Kinase 1 is nonfunctional. From the description, what is considered the substrate of Kinase 1?
A. Protein X B. Protein Y C. Protein Z D. Metal A E. Protein A
Which of the following statements is not true of root hairs?
A. They are extensions of the root epidermis. B. They function to increase the surface area of roots. C. They are not in direct contact with vascular tissue. D. They are large cells on the surface of roots.
Overgrazing in savannas by domestic animals has contributed to its conversion into:a
chaparral. b. grassland. c. desert. d. taiga. e. ecotones.