Beadle and Tatum discovered that each mutant mold they observed lacked a specific enzyme. As a result, they concluded that _________.
A. genes are made of DNA
B. genes carry information for making proteins
C. mutations are changes in genetic information
D. cells need specific enzymes to function
B. genes carry information for making proteins
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Which of the following terms refers to both the movement of a ribosome along a piece of mRNA and the movement of a piece of one chromosome to another chromosome
A. Transduction B. Transgenesis C. Transformation D. Translocation E. Transplantation
Which of the following characteristics of capillaries is most directly related to their function of molecular exchange?
A. Capillaries lack muscles. B. Capillaries are located between arteries and veins. C. Capillaries allow blood to flow through them very rapidly. D. Capillaries have extremely thin walls.
The major macromolecules of the ECM are _____
A. polysaccharides and proteins. B. polysaccharides and fat. C. fat and nucleotides. D. nucleotides and proteins. E. fat and proteins.
Which of the following terms is NOT related
to the other four?
a. amino acids b. nucleotides c. deoxyribose sugars d. phosphate groups e. nitrogen bases