During the tertiary stage of syphilis, tumors called ________ develop in the liver, skin, bone, and cartilage.

A. ulcers
B. nodules
C. chancres
D. gummas


Answer: D

Biology & Microbiology

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To avoid using controversial embryonic stem cells, scientists have learned to reprogram fully differentiated adult cells and return them to a pluripotent state

A. true B. false

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On the phylogenetic tree of primate evolution, where do you find the first primates to diverge from the common ancestor of the primates?

A. No. 1 B. No. 4 C. No. 5 D. No. 6 E. No. 7

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The work of Oswald Avery, George Beadle, Edward Tatum and many others into the role of DNA laid the foundations of (microbial genetics/microbiology/recombinant DNA technology)

What will be an ideal response?

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Which genus and characteristic are NOT correctly associated?

a. Aquifex and hyperthermophile b. Deinococcus and radiation resistance c. Fusobacterium and psychrophile d. Cytophaga and cellulose degradation

Biology & Microbiology