A newborn baby dies soon after birth because her diaphragm and rib cage muscles failed to contract and she was unable to breathe on her own. Examination of the baby's DNA revealed that she had a genetic mutation in a gene that encoded a calcium-binding protein. Which protein was most likely defective in the baby?
A. Tropomyosin
B. Actin
C. Troponin
D. Acetylcholine
E. Myosin
Answer: C
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Coral reefs consist of __________ polyps, which duplicate via __________ reproduction
a. identical; asexual b. identical; sexual c. unique; asexual d. unique; sexual
The sporophyte generation of kelp is dominant and larger than the gametophyte
Indicate whether the statement is true or false
Immunological memory results from the production of
A. memory B cells and memory cytotoxic T cells. B. mast cells and memory B cells. C. memory mast cells. D. memory B cells. E. memory cytotoxic T cells.
Honeybees will sting a bear that is robbing their hive even though the bees will die after they sting the bear. This is an example of
A) submission. B) conditioning. C) altruism. D) habituation.