Muscle tissues, connective tissues, and the epithelia lining the urinary and reproductive systems arise from

a. mesoderm.
b. endoderm.
c. ectoderm.
d. two of the above.


b

Biology & Microbiology

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The sac which surrounds the heart is called the

A. endocardium. B. pericardium. C. atrium. D. myocardium

Biology & Microbiology

Initiation, elongation, and termination are the three main steps in

translation only. transcription and translation. transcription only. photosynthesis

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A black Labrador retriever named JD is heterozygous (Bb) for coat color (B = black and b = brown). Bb is JD's

A) genotype. B) heterozygous state. C) gene conversion state. D) phenotype. E) homozygous state.

Biology & Microbiology

Sucrose is considered a disaccharide because:

a. It has three or more simple sugar subunits. b. It has two simple sugar subunits. c. It has ten simple sugar subunits.

Biology & Microbiology