Matter composed of a single type of atom is an element.
Answer the following statement true (T) or false (F)
True
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Genes that modify the expression of other genes show:
A. dominance. B. incomplete dominance. C. recessiveness. D. blending inheritance. E. epistasis.
Endocrine cells in the pancreas are responsible for which of the following?
a. Regulating blood-glucose levels b. Stimulating metabolism c. Promoting the growth of body tissues d. Stimulating water reabsorption by the kidneys
Which of the following is false about Marfan
syndrome? a. It results from an autosomal dominant mutation. b. The affected gene produces a defective form of the protein fibrillin. c. Aortas of Marfan's patients are susceptible to rupture. d. It affects one in five thousand men and women. e. None of these is false.
Which of the following are primarily responsible for cytokinesis in plant cells but not in animal cells?
A) kinetochores B) Golgi-derived vesicles C) actin and myosin D) centrioles and centromeres