The taller a Brazil nut tree is, _____
1. the more valuable it is as a source of lumber
2. the less useful it is to harpy eagles
3. the greater its photosynthetic rate relative to neighboring plants
A) 1 only
B) 1 and 2
C) 1 and 3
D) 2 and 3
C
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Which of the following is technically not part of the genetic information of a transposable element?
A. Long-terminal repeats B. Inverted repeats C. Direct repeats D. Transposase
____ are responsible for separating
chromosomes during cell division.
a. Microfilaments. b. Intermediate filaments. c. Actin filaments d. Microtubules e. Microfibers
Archaeons have been isolated from both temperate and cold environments.
Answer the following statement true (T) or false (F)
Each antibody molecule consists of
A) two light and two heavy protein chains. B) one light and one heavy protein chain. C) a "heavy" protein chain. D) a "light" protein chain. E) various combinations of light and heavy protein chains.