Substrate-level phosphorylation accounts for approximately what percentage of the ATP formed by the reactions of glycolysis?
A) 0%
B) 2%
C) 38%
D) 100%
D
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One important adaptation of mammals is hair growing out of the skin for retaining heat. How does hair help mammals retain heat?
a. Hair increases the surface area exposed to the sun, capturing more heat from the environment. b. Hair covers the body like a coat, keeping out the cold and stopping evaporative cooling. c. Hair traps a boundary layer of air close to the body, retaining heat generated by metabolic processes. d. Hair’s dark color captures more light, and light is energy, allowing mammals to capture energy to heat the body.
Diet supplements that promote the growth and metabolic activity of beneficial bacteria are known as
____________________. Fill in the blank(s) with the appropriate word(s).
Select the correct sequence for the pathway of blood through the heart
A) Body ? Left atrium ? Left ventricle ? Lungs ? Right atrium ? Right ventricle ? Body B) Body ? Left ventricle ? Left atrium ? Lungs ? Right ventricle ? Right atrium ? Body C) Body ? Right ventricle ? Right atrium ? Lungs ? Left ventricle ? Left atrium ? Body D) Body ? Right atrium ? Right ventricle ? Lungs ? Left atrium ? Left ventricle ? Body
The study of single-celled organisms is known as _______.
A. microscopic biology B. neurobiology C. microbiology