Approximately _____% of the energy at one trophic level is passed on to the next highest trophic level.
a. 0-5
b. 5-10
c. 10-15
d. 15-20
e. 90-100
Answer: b. 5-10
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Illustrate the reaction center of a purple bacterium with the following features highlighted: antenna pigments, the special pair, protein H, protein L, protein M, quinone pool, and ATPase
Also explain the importance of proximity for these components within a reaction center. What will be an ideal response?
The first law of thermodynamics states which of the following?
a. Energy can neither be created or destroyed. b. Entropy increases as time goes by. c. Energy can be created from matter. d. Entropy decreases as time goes by.
________ is the process by which the DNA code of a single gene is converted into a complimentary strand of mRNA
Fill in the blank(s) with correct word
How are amino acids absorbed by the small intestine?
a. diffusion b. facilitated diffusion c. osmosis d. passive transport e. active transport