How is cyanobacterial photosynthesis similar to plant photosynthesis?
a. in type of chlorophyll
b. in splitting of water
c. in production of oxygen
d. in type of chlorophyll and in splitting water
e. in type of chlorophyll, in splitting water, and in the production of oxygen
E
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Which of the following soils holds the most water?
A) clay loam on a ridgetop B) sandy loam in a valley C) clay loam in a valley D) sandy loam on a ridgetop
Penicillin is a drug that acts by:
a. irreversibly inhibiting transpeptidase. b. reversibly inhibiting transpeptidase. c. competitively inhibiting transpeptidase. d. noncompetitively inhibiting transpeptidase. e. denaturing transpeptidase
The four defining characteristics of chordates are
A. pharyngeal pouches, a dorsal nerve cord, a notochord, and a postanal tail. B. bilateral symmetry, segmentation, a well-developed coelom, and limbs. C. a dorsal hollow nerve cord, a notochord, bilateral symmetry, and mammary glands. D. a well-developed coelom, pharyngeal pouches, a notochord, and jaws. E. segmentation, a dorsal hollow nerve cord, pharyngeal pouches, and an amniotic egg.
Which of the following is NOT part of the pathway that water and dissolved minerals (i.e., Fe, K, Mg, etc.) follow as they move from the soil into a plant to the xylem?
A. through plasmodesmata B. between cells C. through apoplastic transport D. through phloem E. through symplastic transport