A sprinter would have a high proportion of ____, and a marathon runner would have a high proportion of ____
a. red fibers; white fibers
b. fast-oxidative fibers; slow-oxidative fibers
c. red fibers; fast-oxidative fibers
d. red fibers; slow-oxidative fibers
e. slow-oxidative fibers; white fibers
ANSWER: b
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The genetic engineering of human-animal hybrids is a routine procedure related to assisted reproductive technologies
a. True b. False Indicate whether the statement is true or false
In many ways, a mule is a superior animal to the horse or donkey. Mules are often stronger and can jump higher than either of their parents. Why, then, are mules considered to be a "weak hybrid"?
A. Their offspring are progressively weaker than the parents. B. They are more prone to disease than are horses and donkeys. C. They do not live as long as horses and donkeys. D. They are sterile.
The symbiotic relationship between roots of this pine seedling and a fungus is known as a(n):
1.Zygomycete
2.Mycorrhiza
3.Lichen
4.Arbuscule
Which metabolic pathway is common to both fermentation and cellular respiration?
A) the citric acid cycle B) the electron transport chain C) glycolysis D) synthesis of acetyl CoA from pyruvate E) reduction of pyruvate to lactate