Explain how the leaf is adapted for capturing energy from sunlight and for acquiring carbon dioxide and water
What will be an ideal response?
CO2 comes through adjustable pores, or stomata, and water comes from the vascular bundles (or veins) to the mesophyll cells. Leaves are broad and flat to provide a large surface area to the sun. Chlorophyll molecules embedded in the thylakoid membrane of the chloroplast absorb sunlight.
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Genetic similarities between humans and laboratory animal models facilitate research on the cause, diagnosis, and treatment of human genetic disease
a. True b. False Indicate whether the statement is true or false
Which brain structure relays incoming sensory information?
a. thalamus b. hypothalamus c. cerebrum d. brain stem e. cerebellum
The overwhelming majority of helminth infections occur in the developing world, with only a few dozen cases a year occurring in the United States.
Answer the following statement true (T) or false (F)
The citric acid cycle is a series of oxidation reactions that removes carbon atoms from substrates in the form of CO2
Once a molecule of acetyl CoA enters the citric acid cycle, how many complete cycles are required for both of the carbon atoms in its acetyl groupto be oxidized to CO2? (a) 1 (b) 2 (c) 3 (d) 4