One in 20,000 babies is born with which specific cancer of the eye?

a. retinoblastoma.
b. scleral sarcoma.
c. malignant melanoma.
d. rhabdomyosarcoma.
e. lymphoma.


A

Biology & Microbiology

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Amanda was successfully treated for the P. aeruginosa infection, but on a subsequent visit to

the hospital, she was infected again. With this second infection, her immune system would ____________________.

a. respond more quickly to the antigen b. immediately start to produce memory cells c. have a reduced response due to recognizing the antigen d. not be able to fight off the infection

Biology & Microbiology

. coli strains toxic to humans live in the intestine of ____ without sickening them

I. birds and frogs II. goats and sheep III. cattle and deer

a. I only b. I and II c. II and III d. I and III e. I, II, III

Biology & Microbiology

The phylum that includes snails, clams, oysters, and octopuses is the

A. Mollusca. B. Annelida. C. Phoronida. D. Brachiopoda. E. Ectoprocta.

Biology & Microbiology

Which numbers identify structures that are found in ALL prokaryotes?

a. 2 and 4 b. 3 and 4 c. 1 and 5 d. 5 and 9 e. 7 and 8

Biology & Microbiology