How do cells in the human body release energy stored in an adenosine triphosphate molecule (ATP)?
A by releasing adenosine in ATP
B by trapping ATP from carbohydrates
C by breaking a phosphate bond in ATP
D by combining ATP molecules in chlorophyll
C by breaking a phosphate bond in ATP
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Which of the following does not belong?
a. phospholipids b. polysaccharides c. unsaturated fats d. steroids e. saturated fats
The amino acid chains making up hemoglobin in different species:
a) differ depending on how long it has been since the species last shared a common ancestor. b) differ depending on whether the species are marine or terrestrial. c) are identical--otherwise the hemoglobin cannot function properly. d) reflect differences in how the hemoglobin functions in the species. e) can only be compared among mammalian species since non-mammalians do not possess hemoglobin.
Syndesmoses
What will be an ideal response?
Clonal deletion that removes lymphocytes that recognize any self antigens that are present is known as ________.
A. neutralization B. positive selection C. negative selection D. None of the choices are correct.