Which blood type is the universal donor?
a. A
b. B
c. AB
d. O
e. none of these
Answer: d
Biology & Microbiology
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Birds store food in a modified portion of the lower esophagus called the
A. pharynx. B. gizzard. C. alimentary canal. D. crop. E. epiglottis.
Biology & Microbiology
Describe the problems associated with a terrestrial existence and some of the adaptations of some
animals for dealing with these problems. What will be an ideal response?
Biology & Microbiology
Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of [H3O+] in a cola that has a pH of 3.120?
a) 7.58 × 10?4 b) 7.59 × 10?4 c) 7.6 × 10?4 d) 3.120 × 10?3 e) 0.494 f) 1.318 × 103
Biology & Microbiology
Most human cells contain ________ chromosomes
A) 36 B) 46 C) 2 D) 23
Biology & Microbiology