In Duchenne muscular dystrophy, which

protein is directly affected?



a. myosin
b. actin
c. dystrophin
d. myoglobin
e. hemoglobin


C

Biology & Microbiology

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Basic life processes account for what percentage of energy use in animals?

A. 70% B. 10% C. 25% D. 50%

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Which of the following is not a component of the mating-type switch mechanism?

A. HO nuclease B. Rad51 C. synthesis-dependent strand annealing (SDSA) D. RecA E. HML?

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The enzyme rubisco combines ribulose bisphosphate with _____ in the first step of the Calvin cycle.

a) glucose b) ATP c) carbon monoxide d) organic compounds e) carbon dioxide

Biology & Microbiology

Two species that have a high degree of niche overlap will

A) split into two separate species. B) interbreed. C) be in a predator-prey relationship. D) coexist peacefully. E) compete intensely.

Biology & Microbiology