Which of the following is a type of cloning?

A. Therapeutic cloning of stem cells to general specialized cell
B. Reproductive cloning, where organisms are produced through nuclear transplantation
C. Artificial cloning of plants to generate specific types of fruits or vegetables
D. All of the above are types of cloning


Answer: D

Biology & Microbiology

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Your mother has albinism, which is a recessive trait. You learn that your spouse's mother also has

albinism. Neither you nor your spouse have albinism. What are the odds that your first child will have albinism?

a. 0 b. 1/4 c. 1/2 d. 3/4 e. 1

Biology & Microbiology

The inferior vena cava transports blood to the left atrium

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

A 67-year-old man, who is an avid gardener, presents at an emergency department. He is suffering from spastic paralysis, which began in his right hand and now extends to his jaw muscles (Lock Jaw). The causative agent of this infection produces a virulence factor with which of the following activities?

A. Blockage of the release of the inhibitory neurotransmitter glycine. B. Blockage of the release of the neurotransmitter acetylcholine from synaptic vesicles. C. Overstimulation of T cells with resulting massive release of cytokines. D. Inhibition of Elongation Factor 2 (EF-2), resulting in inhibition of protein synthesis.

Biology & Microbiology

Which of the following is NOT a potential fate of foreign DNA transferred via conjugation?

a. degradation by restriction enzymes b. recombination with the host chromosome c. replication by itself (if containing an origin of replication) d. All of the above are potential fates.

Biology & Microbiology