The middle germ layer of an animal embryo that gives rise to muscle, several internal organs, and connective tissue layers is the

Figure 13.3 provides examples of various types of sequences that can be found in a segment of double-stranded DNA. Which one of the following is most likely to be protein-coding?

A. noncoding RNA B. single-copy gene C. dispersed repeat D. tandem repeat E. simple-sequence repeat

ATP contains

a. alanine. b. arginine. c. ribose. d. tyrosine. e. glucose.

Four of the five molecules listed below are blood

proteins. Select the exception. a. epinephrine b. globulin c. hemoglobin d. fibrinogen e. albumin

When you drink a large volume of water, the release of ____ by the pituitary gland ____

a. aldosterone; increases b. aldosterone; decreases c. ADH; increases d. ADH; decreases e. ANP; increases