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
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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
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
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
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.