________ are toxic proteins released from the pathogen as it grows
A) Endotoxins
B) Exotoxins
C) Macrotoxins
D) Microtoxins
Answer: B
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Mendel performed reciprocal crosses in which he used pollen from a white-flowered plant to fertilize a purple-flowered plant and pollen from a purple-flowered plant to fertilize a white-flowered plant. What did these reciprocal crosses demonstrate?
A. The female gamete made a larger genetic contribution to the offspring than the male gamete. B. Each parent made an equal genetic contribution to the offspring. C. Flower color is a sex-linked trait. D. The traits of flower color and sex assort independently. E. The male gamete made a larger genetic contribution to the offspring than the female gamete.
Which of the following is true of bacterial translation termination?
A. The ribosome continues to synthesize protein until it reaches the 3' end of the mRNA. B. Termination requires the degradation of the ribosome. C. Termination is signaled by the presence of a stop codon in the mRNA.
The term used to describe ringworm of the nail is:
a. Tinea cruris. b. Tinea pedis. c. Tinea capitis. d. Tinea unguium.
New cases of tuberculosis are frequently the result of reactivation of old dormant infections.
Answer the following statement true (T) or false (F)