Calcium binds directly to which muscle protein?

a. actin
b. myosin
c. troponin
d. tropomyosin
e. sarcoplasmic reticulum


ANSWER: c

Biology & Microbiology

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Philippe Bouchet and colleagues conducted a massive survey of marine molluscs on the west coast of New Caledonia. Twenty percent of the species found were represented by a single specimen. What does that suggest about the diversity of molluscs in this are

A) The west coast of New Caledonia is not an appropriate habitat for molluscs. B) They did not spend enough time sampling in the area. C) Many of the species from this 20 percent are probably rare. D) They were not sampling uniformly throughout the area. E) Many of the species from this 20 percent are most likely just dispersing through the area.

Biology & Microbiology

Which description fits the molecule in this diagram?



a. triacylglycerol
b. artificially hydrogenated trans fat
c. polyunsaturated fatty acid
d. amphipathic phospholipid

Biology & Microbiology

Break down of the corpus luteum coincides

with a ____ levels if pregnancy does NOT occur. a. decline in chorionic gonadotropin b. decline in LH c. surge in progesterone d. spike in LH e. spike in extrogen

Biology & Microbiology

During the process of decomposition, carbon quality typically declines

Indicate whether the statement is true or false

Biology & Microbiology