All organisms possess a genetic system that is based on:

A. RNA
B. DNA
C. protein
D. sugars
E. cells


Answer: B

Biology & Microbiology

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Surgery of the spinal cord most often involves cutting of the

A) superior articular facet. B) lamina. C) transverse process. D) body. E) spinous process.

Biology & Microbiology

Growth __________, but development __________

a. is qualitative; is quantitative b. is measured by increased cell numbers; is measured by increased cell specialization c. occurs only in infants; occurs only in adolescents d. continues throughout life; stops at puberty e. is objective; is subjective

Biology & Microbiology

Nephritis may lead to cessation of blood filtering by the glomerulus because the kidney is

a. located behind the intestines. b. directly connected to the inferior vena cava c. a paired structure. d. surrounded by a tough renal capsule. e. divided into a cortex and medulla.

Biology & Microbiology

The cells released from reproductive structures such as mushrooms that can develop into a new organism without fusing with another cell are called ________

Fill in the blank(s) with correct word

Biology & Microbiology