Water potential is measured in units of pressure called _________.
A. Megapascals
B. Milivolts
C. Osmotic units
D. Molarity
E. Joules
Ans: A. Megapascals
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Isotopes are commonly used in medicine to determine if organs or organ systems are functioning properly. Physicians use radioactive iodine rather than elemental iodine to determine if the thyroid gland is functioning properly because:
1.Isotopes of iodine are radioactive, so they can be detected by imagery, and they act the same as elemental iodine. 2.Elemental iodine cannot be used by the human thyroid gland. 3.The isotope is more efficient than elemental iodine and would be processed by the thyroid gland at a higher rate. 4.Elemental iodine is in short supply.
These defenses include mechanical and chemical ____________ , ____________ cells that are able to lyse cell membranes of pathogens, and the process of ____________ during which redness and swelling can occur as the tissue responds to injury or invading pathogens.
Fill in the blank(s) with the appropriate word(s).
CAM photosynthesis
a. is the same as C4 photosynthesis. b. is an adaptation to cold environments in the Southern Hemisphere. c. is prevalent in desert plants that close their stomata during the day. d. occurs in plants that live in marshy areas. e. stands for "chloroplasts and mitochondria."
Consider the roles of IF1, IF2, and IF3 during translation. Predict what the effect would be if IF1, IF2, and IF3 were mutated
What will be an ideal response?