Which of the following terms do NOT at some point

characterize eukaryotic chromosomes?
a. grainy
b. duplicated
c. condensed
d. circular
e. rod-like


Answer: d

Biology & Microbiology

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The region that controls coordinated movement of

skeletal muscles is indicated by a. A. b. B. c. C. d. D. e. E.

Biology & Microbiology

Although glucose molecules constantly diffuse into a red blood cell along their concentration gradient, equilibrium is never reached and a steep concentration gradient is continually maintained. What causes this?

a. The active transport of glucose b. The very fast turnover rate of glucose metabolism c. The ability of the cell to engulf glucose by pinocytosis d. The continuous excretion of glucose from other parts of the cell e. The rapid and continuous addition of phosphates onto the glucose molecules

Biology & Microbiology

The collecting duct of the nephron originates in what region of the kidney and extends to what region of the kidney?

A. renal medulla to the renal pelvis B. renal medulla to the renal cortex C. renal pelvis to the renal medulla D. renal cortex to the renal medulla E. renal cortex to the renal pelvis

Biology & Microbiology

An example of a properly functioning homeostatic control system is seen when _____

A) the core body temperature of a runner rises gradually from 37°C to 45°C B) the kidneys excrete salt into the urine when dietary salt levels rise C) a blood cell shrinks when placed in a solution of salt and water D) the blood pressure increases in response to an increase in blood volume

Biology & Microbiology