Photosynthesis occurs in the chloroplasts of cells and cell respiration occurs in the mitochondria. Plants undergo both reactions.
A. true
B. false
A. true
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Our normal blood pH should be in a fairly narrow range. Imagine you sit down to eat a large meal with cola, tomato-based sauce, and a salad with many citrus fruit slices. Identify the one statement that does not apply as one of the likely outcomes of your meal.
A. Your blood and body fluids will likely become more basic, with a higher pH than the normal range.
B. The cola, tomato, and citrus fruits will add hydrogen (H+) to your blood and body fluids.
C. All of the answer choices are correct.
D. Your body will produce buffer molecules to help neutralize acids you ate, so your blood pH doesn't change much.
E. Your blood and body fluids will likely become more acidic, with a lower pH than the normal range.
Which of the following organisms has cell walls containing silica?
A. Ciliated protozoa B. Archaea C. Diatoms D. Dinoflagellates
Which of the following will not increase the rate of transpiration in a plant?
A. high humidity B. low humidity C. high wind speeds D. high temperature E. All answers are correct.
Which section of the small intestine is devoted to absorbing water and the products of digestion into the bloodstream?
A. ileum B. jejunum C. duodenum