The term oxidation is derived from the name of the element oxygen. This is reasonable, because oxygen
A. passes electrons to many other types of molecules.
B. can be oxidized by accepting electrons.
C. contains more electrons than are needed.
D. attracts electrons very strongly.
Answer: D
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Alkaloids are considered "expensive" defense compounds to produce because:
A. they contain a lot of carbon, which is costly for plants to concentrate. B. they vaporize readily, so they constantly have to be synthesized. C. they contain nitrogen, an essential and often limiting element plants need. D. they often function in very small concentrations. E. they contain proteins, which are very costly for a plant to produce.
The most accurate statement about LH is ________.
Fill in the blank(s) with the appropriate word(s).
In terms of evolutionary trees, what exactly is a node?
a. A group of organisms that are closely related and may or may not be species b. An event that changes a population c. A node is another word for a common ancestor. d. A subset of a species e. The point at which two groups diverge on an evolutionary tree
If the allele for inflated pea pods (I) is dominant to the allele for constricted pods (i), then the cross Ii xii is expected to produce
A) 3/4 with constricted and 1/4 with inflated pods. B) all peas with inflated pods. C) 3/4 with inflated and 1/4 with constricted pods. D) half with inflated and half with constricted pods. E) all peas with constricted pods.