The condition in which there is only one representative of a particular chromosome in a cell is called ________
Fill in the blank(s) with correct word
monosomy
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Capillary action is one of the forces that aids water's upward movement in plants. The narrower the diameter of the tube, the farther the water column will rise. Capillary action is a result of water molecules:
A. producing sufficient surface tension to overcome the pull of gravity. B. having a strong cohesive force and attaching to the surrounding vessel walls. C. storing heat and thus moving faster because of heat of vaporization. D. having an adhesive force, which allows them to attach to the vessel walls. E. being associated with hydrophobic molecules, which can result in upward movement.
During which phase of the cell cycle are chromosomes being copied?
a. G2 b. Mitosis c. G1 d. Cytokinesis e. S
Each of the following citric acid cycle enzymes is subject to allosteric regulation except
A) isocitrate dehydrogenase. B) ?-ketoglutarate dehydrogenase. C) malate dehydrogenase. D) fumarate hydratase. E) pyruvate dehydrogenase.
The molecular fragment on an antigen molecule that a lymphocyte recognizes and responds to is called a/an
A. variable region. B. antigen binding site. C. epitope. D. hapten.