A frequent symptom of the common cold is

A) nasal discharge.
B) fever.
C) headache.
D) diarrhea.


Answer: A

Biology & Microbiology

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When blood calcium levels fall, ____

a. PTH secretion increases b. osteoblast activity increases c. osteoclast activity decreases d. growth hormone activity increases e. calcitonin secretion increases

Biology & Microbiology

The accompanying hypothetical pedigree is for a family where some members have symptoms of Leigh syndrome, which is caused by an mtDNA mutation that reduces ATPase activity

Which of the following in the youngest generation might transmit the condition in the future? A) any of the women B) any of those affected C) any of the members of this generation D) only those with an affected mother E) any of the affected women

Biology & Microbiology

The process by which haploid cells are produced from diploid cells is called

A. meiosis. B. sexual reproduction. C. reduction. D. mitosis. E. fertilization.

Biology & Microbiology

The type of taste called umami allows us to enjoy what type of flavor?

A. sour B. salty C. sweet D. bitter E. savory

Biology & Microbiology