Match the following items with the correct phrases.
_______1. When two microorganisms occupying the same environmental niche have absolutely no effect upon each other, it is known as ____________________.
_______2. Bacterial vaginosis is an example of ____________________.
_______3. ____________________ is a symbiotic relationship of benefit to one of the symbionts, but neither beneficial nor harmful to the other.
_______4. ____________________ is a symbiotic relationship of benefit to one of the symbionts, and detrimental to the other.
_______5. A lichen is a classic example of ____________________.
a. commensalism
b. mutualism
c. neutralism
d. parasitism
e. synergism
1. c. neutralism
2. e. synergism
3. a. commensalism
4. d. parasitism
5. b. mutualism
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Where does tRNA #2 move to after this bonding of lysine to the polypeptide?
A) A site B) P site C) E site D) exit tunnel E) directly to the cytosol
Chromosomes are usually studied and photographed while they are in anaphase of mitosis
a. True b. False Indicate whether the statement is true or false
Sharks have a number of fleshy gill slits instead of a bony gill cover. How does this affect their behavior?
A. Their movements are slow due to low oxygen. B. They live only in highly oxygenated water. C. They keep swimming to move water across their gills. D. They do not maintain neutral buoyancy. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about the operculum? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What percent of the total blood volume is plasma?
a. 25 b. 40 c. 55 d. 65 e. about 80