In which of the following patterns of disease does the patient experience no signs or symptoms?

A) prodromal
B) decline
C) convalescence
D) incubation
E) both incubation and convalescence


E

Biology & Microbiology

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True or False: The fossil record reveals there are relatively few animal body plans maintained throughout Earth's history

A. true B. false

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Mitochondria are thought to have evolved from ancient bacteria. Which characteristics of a free-living bacteria have mitochondria lost over time?

A) an independent genome B) ribosomes C) phospholipid membranes D) motility E) ribosomes, phospholipid membranes, motility, and an independent genome

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Which of the following is filtered from blood but NOT normally found in urine?

a. water b. red blood cells c. H+ d. amino acids e. urea

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Which PCR step synthesizes complementary DNA strands?

A. Cool DNA to between 50°C and 65°C. B. Add primers. C. Repeat the cycle of heating and cooling. D. Add DNA polymerase and nucleotides at 72°C. E. Heat target DNA to 94°C.

Biology & Microbiology