Engelmann's experiment demonstrated that ________
a. bacteria seek specific colors of light when cooled below certain temperatures
b. plant cells produce different amounts of oxygen when illuminated by different colors of light
c. green light is the most effective at promoting plant growth in greenhouses
d. photosynthetic bacterial cells seek specific colors of light for optimum ATP production
b
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Match the amino acid with its abbreviation.
A) E B) R C) N D) A E) W F) D G) Y H) T I) K 1) arginine 2) lysine 3) threonine 4) tryptophan 5) tyrosine 6) asparagine 7) aspartate 8) glutamate
The ability of a cell to move from the tissue to which it belongs to other parts of the body is known as
A) metastasis. B) contact inhibition. C) immune surveillance. D) angiogenesis.
Which would be an example of a catalyst in action?
A) a phosphate group attached to a protein changing its shape B) glucose and galactose binding to form lactose C) a protein converting glucose and fructose into sucrose without being changed itself D) a glycoprotein binding to a cell
What was a major morphological criterion on which traditional classification of animals was based?
A. presence or absence of specialized cells. B. presence or absence of a true body cavity. C. presence or absence of genetic material. D. basic pattern of cell division. E. presence or absence of cell wall.