_____ is life’s primary source of energy.
a. Food
b. Water
c. Sunlight
d. ATP
c. Sunlight
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You discover a new transport system used by a newly discovered bacterial species. The sugars that are transported using this system are phosphorylated as they enter the bacterial cell. You would describe this transport system as a(n) ________.
A. facillitated diffusion B. passive diffusion C. micronutrient regulator D. group translocation
The enzyme salivary amylase begins the digestion of ________ while food is still in the mouth
a. lipids b. protein c. all of the choices d. starch
The recessive phenotype of a trait occurs in 16% of a population. What is the frequency of the dominant allele?
A. 0.48 B. 0.60 C. 0.40 D. 0.36 E. 0.16
Why are most prokaryotic cells small?
A) A low surface area-to-volume ratio helps smaller cells divide easier. B) Intracellular inclusions demand that cell size be small. C) A high surface area-to-volume ratio helps smaller cells divide easier. D) Storage bodies within a cell enable cells to be small so they need less nutrients. E) Nutrient diffusion is most efficient for smaller cells.