Most of the water taken up by a plant is _____
A) used as a solvent
B) used as a hydrogen source in photosynthesis
C) lost during transpiration
D) converted to carbon dioxide
E) used to keep cells turgid
Answer: C
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Which one of the following statements does not accurately describe the sex chromosomes?
A. The X chromosome has a gene density similar to most autosomes. B. In contrast to the approximately 1000 genes on the X chromosome, the Y chromosome contains only about 50 genes. C. The relative size and gene content of the X and Y chromosomes is very similar across species. D. Crossing over between the X and Y chromosomes occurs in very small regions of homology between the two chromosomes. E. Crossing over between the X and Y chromosomes allows the sex chromosomes to align correctly during metaphase I and separate from each other during anaphase I.
All of the chemical reactions used to break down nutrients and build up components within the body are collectively known as
A. anabolism. B. catabolism. C. metabolism. D. proteolysis. E. hydrolysis.
Humans have a particularly good ability to recognize other individual humans. This ability appears to be mediated by the ____ lobe of the cerebral cortex.
A. frontal B. parietal C. occipital D. temporal E. thalamic
Hemolytic disease of the newborn is a type (I/II/III/IV) hypersensitivity disorder.
Fill in the blank(s) with the appropriate word(s).