Which type of test is particularly useful in analyzing tumors in tissues surrounded by bone?

A. PSA
B. CAT scan
C. Pap test
D. MRI
E. X-ray


Answer: D

Biology & Microbiology

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The key characteristic of a useful antimicrobial is selective toxicity

Indicate whether this statement is true or false.

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Two genes, A and B, are located 30 map units apart. The dihybrid shown in the attachment is mated to a tester aa bb. What proportion of the offspring is expected to be dominant for both traits?

A. 0% B. 15% C. 30% D. 35% E. 70%

Biology & Microbiology

Which of the following is a gymnosperm?

a) moss b) monocot c) horsetail d) fern e) cycad

Biology & Microbiology

High levels of the fungus Batrachochytrium dendrobatidis were found in a local pond. What do you predict will be the consequence of this fungus?

A. Vegetation levels will decline drastically. B. Lichen populations will increase around the pond. C. Since this is a major pollutant in sewage wastewater, an investigation into the source of the fungus must be undertaken. D. Frog populations will decline. E. Humans in the surrounding area will be vulnerable to pneumonia.

Biology & Microbiology