Food macromolecules are absorbed intact from the digestive tract and they are broken down only by the cells that ultimately use them.

Indicate whether the statement is true or false.


Answer: False.

Biology & Microbiology

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Most mollusks have a closed circulatory system in which hemolymph is confined within the walls of hearts and

vessels.

a. True b. False

Biology & Microbiology

Destruction of the motor areas in the right cerebral cortex results in the loss of ____

a. sensation on the right side of the body b. sensation on the left side of the body c. voluntary movement on the left side of the body d. voluntary movement on the right side of the body e. involuntary control of the right side of the body

Biology & Microbiology

Which of the following substances found in C4

plants has four carbon atoms? a. phosphoglycerate (PGA) b. ribulose bisphosphate (RuBP) c. phosphoglyceraldehyde (PGAL) d. glucose e. oxaloacetate

Biology & Microbiology

In a certain population, the allele causing sickle cell anemia has an allele frequency of 0.2. If the population is in

genetic equilibrium for this allele, what fraction of the population would be carriers for the allele (heterozygous individuals)? a. 0.24 b. 0.32 c. 0.42 d. 0.48 e. 0.80

Biology & Microbiology