The Calvin cycle occurs in the ________ region of the chloroplast.
A) stroma
B) grana
C) thylakoid lumen
D) thylakoid membrane
E) outer membrane
A) stroma
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Leaves and flowers exhibit indeterminate (determinate) growth
____________________ Indicate whether the statement is true or false.
The aging of a plant from the time of full
maturity is known as
a. senescence. b. photoperiodism. c. abscission. d. dormancy. e. chlorosis
You have a very sore throat with symptoms indicating strep throat. Since you are taking microbiology right now, you decide that you will take a swab from your throat and swab it onto an enrichment medium like a blood agar plate or a brain-heart infusion agar plate. Why is this not a good idea?
A. You are on a diet now, and you are afraid that the food that you are eating will in some way impact the growth of the bacteria. As a result, you will not get valid results. B. You use a mouthwash a couple of times a day, so you think that the antibacterial properties of the mouthwash will inhibit or kill the oral bacteria and results in invalid results. C. Due to the fact that you cannot easily see the sampling site, there is a high probability that you will not be able to obtain your own specimen without contaminating the sample with your own normal biota. D. All of these statements are correct.
Most vertebrates maintain homeostasis in regard to the total solute concentrations of their extracellular fluids and the concentrations of specific inorganic ions. The kidneys participate in regulating the extracellular fluid concentration of all ions below EXCEPT
A. Cl- ions. B. Na+ ions. C. Ca2+ ions. D. K+ ions. E. Fe2+ ions.