Gametes have the ___ chromosome number, while a zygote has the ___ chromosome number
A) 2N...2N
B) 2N...N
C) N...N
D) N...2N
Answer: D) N...2N
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ATP is a nucleotide that is composed of
?A. adenine, ribose, and three covalently bonded phosphate groups.?B. adenine, thymine, and three covalently bonded phosphate groups.?C. adipose, thymine, and three phosphate groups linked by ionic bonds.?D. adenosine, deoxyribose, and three phosphorous atoms.?E. arginine, thymidine and three phosphorous atoms.
Refer to Table 5.1. How can you determine the osmolarity and tonicity of the alien blood and alien cells?
You are walking to school one day when you notice an alien spaceship that has crashed in a nearby field. You and some other physiology students collect samples from the beings inside of the spaceship. First, you collect a liquid sample of what appears to be alien blood so that you can test for the concentration of solutes inside the alien blood cells. You then extract some of these cells, place them in various concentrations of glucose in water, then look at them under the microscope. Below is what happens to the cells when they are placed in various concentrations of glucose:
The plane that separates the body into the front and back, or anterior and posterior portions, is the ________ plane.
A. median B. transverse (horizontal) C. frontal (coronal) D. sagittal
The layer of the skin that contains bundles of collagen and elastic fibers responsible for the strength of the skin is the ________ layer
A) papillary B) reticular C) epidermal D) subcutaneous E) hypodermal