Which of the following is not a membranous organelle?
A. Golgi complex
B. Mitochondria
C. Endoplasmic reticulum
D. Ribosome
E. Nucleus
Answer: D
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Areas of gray matter in the interior of the CNS form larger groups called
A) columns. B) reverberating neurons. C) spinal nerves. D) cranial nerves. E) nuclei.
Bonds that are formed between oxygen and hydrogen atoms within water molecules are called ________.
A. ionic bonds B. polar covalent bonds C. nonpolar covalent bonds D. hydrogen bonds
The portion of the brain involved primarily with vision is the
A. insula. B. temporal lobe. C. frontal lobe. D. parietal lobe. E. occipital lobe.
Urine retention is a greater problem for elderly men than for elderly women because men ________
A) have fewer glomeruli B) have weaker urinary sphincters C) have larger bladders D) can develop benign prostatic hyperplasia E) have narrower ureters