The valve between “C” and “E” is the
a. right AV valve.
b. right semilunar valve.
c. left AV valve.
d. left semilunar valve.
e. aortic valve.
Answer: b
You might also like to view...
Examine Figure 48.5 in your text. According to this figure, mean temperature changes from 1940–1980 and 1999–2008 have been greatest:
A. in Australia. B. in southern Africa. C. near the equator. D. in South America. E. in the northern hemisphere.
Match the following items with the correct phrases.
_______1. Produced by some strains of Streptococcus pyogenes. _______2. Tetanospasmin is an example. _______3. Its presence in the bloodstream can lead to fever and septic shock. _______4. Produced by Clostridium botulinum. _______5. Produced by Clostridium difficile. a. neurotoxin b. enterotoxin c. diphtheria toxin d. endotoxin e. erythrogenic toxin
Which element is considered an essential micronutrient for plants?
a. gold b. carbon c. uranium d. nitrogen e. copper
Normal diploid somatic (body) cells of the mosquito Culex pipiens contain six chromosomes. Assuming that all nuclear DNA is restricted to chromosomes and that the amount of nuclear DNA essentially doubles during the S phase of interphase, how much
nuclear DNA would be present in metaphase I of mitosis? Note: Assume that the G1 nucleus of a mosquito cell contains 3.0 × 10-12 grams of DNA. A) 3.0 × 10?12 g B) 6.0 × 10?12 g C) 12 × 10?12 g D) 0.75 × 10?12 g E) 1.5 × 10?12 g