Which of the following transposable elements are found in eukaryotes but not in prokaryotes?

A) IS elements
B) Families of autonomous and nonautonomous elements
C) Retrotransposons
D) Ty elements
E) B, C, and D only


E

Biology & Microbiology

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In the 1930s, Dr. Asbjor Folling described the metabolic disorder he called ____

a. phenylketonuria b. galactosemia c. sickle cell anemia d. lactose intolerance e. phenylthiocarbamide

Biology & Microbiology

Most of the water moving through a plant is lost through ____

a. osmotic gradients in the soil b. transpiration c. translocation d. photolysis e. photosynthesis

Biology & Microbiology

The by-product of the metabolism of

cyanobacteria that had the most effect on the further evolution of life is a. oxygen gas. b. carbon dioxide. c. water. d. nitrogen gas. e. hydrogen gas.

Biology & Microbiology

Darwin was very interested in the observation that animals on distant and isolated landmasses appeared to be related to animals on the mainlands. However, despite their similar appearance, the animals were indeed not related.  Which of the following types of evidence would help Darwin make sense of his observations?

A. biogeographical B. fossil C. anatomical D. biochemical

Biology & Microbiology