@Oxygen and glucose are products of photosynthesis.
a. Chlorophyll
b. Hydrogen
c. Oxygen
d. Carbon
a. Chlorophyll
During photosynthesis, a photon receives energy in the form of an electron from chlorophyll.
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In order to visualize the DNA for a karyotype _____
a. DNA is treated with enzymes to open the compacted chromatin structure b. DNA is treated with proteases to open the compacted chromatin structure c. DNA is stained to visualize the DNA. d. DNA is treated with enzymes to compact the chromatin structure e. DNA is treated with proteases to compact the chromatin structure
Proteins ________________.
a. form most structures in an animal b. function as most enzymes in an animal c. form most membranes in an animal d. A and B are correct e. A, B, and C are correct
Consider the following food chain: hawk - rabbit - clover. Each species will contain a different amount of calories in its body (clover: 10 calories, rabbit: 500, and hawk: 1200). Each species has a different daily caloric requirement (clover: sunlight, rabbit: 100 calories, hawk: 300). How many rabbits, per day, does it take to support the hawk?
A. about 1/2 a rabbit B. approximately 6 C. 2 whole rabbits D. 12 rabbits
The archaea known as halophiles
A) require temperatures above 45?C to survive. B) require salt concentrations of 9% or greater to survive. C) are members of the phylum Euryarchaeota. D) are members of the Euryarchaeota and require temperatures above 45?C. E) are members of the Euryarchaeota and require salt concentrations above 9%.