E.coli synthesizing K and B in the large intestine would be an example of which type of symbiosis?
A) antagonism
B) commensalism
C) parasitism
D) mutualism
Ans: D) mutualism
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Chapter 12 includes a discussion of the various defense mechanisms utilized by plants. Onion
plants have developed several creative means of discouraging their consumption by herbivores. The cells of the edible portion of the onion contain several different substances:alliinase (an enzyme) and sulfur compounds derived from the soil. When the cells of the onion are ruptured (as when they are bitten into by an animal), the substances combine. From your knowledge of onions, how would the new substance created by this combination deter its future consumption?
What will be an ideal response?Answer the question using the accompanying figure. The atom depicted in this figure can form ____ covalent bonds
with another atom.
a. 0 b. 2 c. 4 d. 3 e. 6
You are investigating the scene of a hit and run where somebody's pet dog was killed. It is a very hot day so the dog's body temperature is unlikely to yield any important information regarding the time of death. The dog's limbs are movable and there is no significant smell of rotting flesh. What is the best guess of the time of death?
A. within the last 10 minutes B. within the last 2 hours C. 3-4 hours ago D. 24 hours ago Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about rigor mortis? What other information is related to the question? Choose Answer · Given what you now know, what information 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?
One out of every 800 to 1000 infants born will have three copies of chromosome 21 (trisomy 21), a condition known as ________
Fill in the blank(s) with correct word