The new nutritional guidelines from the United
States Food and Drug Administration specify that
carbohydrates should make up __________ percent
of daily caloric intake.
a. 5
b. 15
c. 25
d. 55
e. 75
Answer: d
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Consider the following mRNA from a eukaryotic species. Which AUG codon is translation most likely to begin from?
5'-CCUAUGAGCCACCAUGGAUGCCAAAUGCA-3' A. 1st B. 2nd C. 3rd D. 4th
Viruses that cause acute infection result in productive infections
Indicate whether this statement is true or false.
If photosynthesis produces cellular energy (ATP) from sunlight, why do plant cells also need to perform cellular respiration, a process that produces ATP from sugar?
a. Plant cells cannot make cellular energy at night; therefore, photosynthesis actually stores ATP energy as sugar, which can be then converted back to ATP at night by cellular respiration. b. Plant cells cannot make enough ATP from sunlight in photosynthesis; they need to perform cellular respiration too in order to make up the difference. c. Plant cells need cellular respiration to convert the sugars they absorb through their roots into ATP. d. Plant cells can't produce enough sugar from photosynthesis; cellular respiration is needed to produce the remaining sugar. e. Plant cells need cellular respiration to degrade the toxic products made in photosynthesis
The size of a population depends on its rates of births, deaths, __________, and __________.
Fill in the blank(s) with the appropriate word(s).