Where does the kangaroo rat get the bulk of its water from?
a. from re-uptake of water from urine
b. from oxidative reactions in its cells
c. from absorption through its skin
d. from ingestion of food
Ans: b. from oxidative reactions in its cells
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What adaptation do alcids have to aid in successful reproduction? a. The males rest eggs on their feet
b. They have a pear shaped egg. c. They lay a single egg at a time. d. They lay eggs in protected areas on the beach.
What is the main reason that the alternative explanations to evolution are not considered scientific?
A. The scientific community is biased and will not look at any other explanation. B. The people suggesting the alternative explanations are not scientists. C. The alternative explanations are not testable by the scientific method. D. All of these are reasons why the alternative explanations are not considered scientific.
What is the difference between free and attached ribosomes?
A) Free ribosomes are located in the cytoplasm, whereas attached ribosomes are embedded on the endoplasmic reticulum. B) Free ribosomes are readily "used up" by the cell and are replaced frequently, whereas attached ribosomes remain functional for the lifetime of the cell. C) Free ribosomes produce proteins, whereas attached ribosomes produce carbohydrates. D) Free ribosomes produce proteins that are exported from the cell, whereas attached ribosomes make proteins for mitochondria and chloroplasts.
Where is the glycolysis pathway located in a cell?
A. Cytoplasm B. Smooth endoplasmic reticulum C. Cristae of the mitochondria D. Matrix of the mitoconddria