What factor affects the average temperature of a region?
A) the amount of cloud cover that exists
B) the amount of light energy per unit area hitting it
C) whether there's an El Niño that year
D) the amount of precipitation it receives
B
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How does the digestion and absorption of fat differ from that of carbohydrates?
A. Processing of fat does not require any digestive enzymes, whereas the processing of carbohydrates does. B. Fat absorption occurs in the stomach, whereas carbohydrates are absorbed from the small intestine. C. Carbohydrates need to be emulsified before they can be digested, whereas fats do not. D. Most absorbed fat enters the lymphatic system, whereas carbohydrates directly enter the blood. E. Fat must be partially digested by bacteria in the large intestine before it can be absorbed, which is not the case for carbohydrates.
You might infer from packages of commercial fertilizer that which of the following nutrients are most limiting to plant growth?
a. Carbon, nitrogen and phosphorous. b. Nitrogen, phosphorous and potassium. c. Hydrogen, phosphorus and magnesium. d. Iron, Magnesium and nitrogen. e. Phosphorus, potassium, and calcium.
If the syringe contains live S strain
Streptococcus pneumoniae a. the mouse will die. b. live R strain will be detected in the mouse's blood. c. the mouse will live. d. no live S strain will be detected in the mouse's blood. e. the live S strain bacteria will lose their pathogenicity.
What are the reactants of the light-dependent reactions of photosynthesis?
a. H2O, ADP, and NADP+ b. CO2, ADP, and NADP+ c. H2O, ATP, and NADPH d. CO2, ADP, and NADPH e. H2O, CO2, and NADP+