Where do cells obtain the energy needed for their vital functions?
A) Energy depends on the number of rings in their structure.
B) Energy comes from the type of sugar molecule bound to the structure.
C) Energy comes from breaking high energy bonds in a compound.
D) Energy comes from the number of enzymes that are present in the cell.
E) Energy comes from the type of nitrogenous base in the structure.
Answer: C
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The brain stem consists of the ________.
A) cerebrum, pons, midbrain, and medulla B) midbrain, medulla, and pons C) pons, medulla, cerebellum, and midbrain D) midbrain only
All of the triplet codes needed to produce exactly one functional piece of RNA are found in one
A) chromosome. B) gene. C) anticodon. D) codon. E) None of the answers are correct.
________ exists when the immune system does not respond to normal tissues and their antigens.
A) Versatility B) Tolerance C) Memory D) Specificity E) Active immunity
The combined vascular/tubular component of the nephron is called the _______________
Fill in the blank(s) with correct word