The process by which white blood cells ingest and kill bacteria is called
A) exocytosis.
B) transcription.
C) phagocytosis.
D) translation.
Answer: C
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All chemoautotrophs and photoheterotrophs are ____
a. archaea only b. bacteria only c. eukaryotes only d. prokaryotes and eukaryotes e. prokaryotes
The spontaneous mutation rate for autosomal genes can be estimated using the formula: number of de novo cases/________X.
A) 1 B) 2 C) 3 D) 4
Which of the following linkage maps correctly shows the order and distance between the px, sp, and cn genes?
Females heterozygous for the recessive second chromosome mutations px, sp, and cn are mated to a male homozygous for all three mutations. The offspring are as follows:
A) sp——0.21 m.u.——px——30.01 m.u.——cn
B) sp——30.01 m.u.——px——0.21 m.u.——cn
C) sp——0.2 m.u.——px——30 m.u.——cn
D) px——0.2 m.u.——sp——30.2 m.u.——cn
E) px——30.2 m.u.——sp——0.2 m.u.——cn
TCRs only recognize antigens presented by APC; therefore, (BCR/MHC/Th1 ) molecules ultimately determine which epitopes elicit an immune response
What will be an ideal response?