Stanley Miller's experiment
A. proved the origin of life.
B. demonstrated that complex organic molecules might have been formed on primitive Earth.
C. showed how energy created life.
D. disputed the Oparin hypothesis.
B. demonstrated that complex organic molecules might have been formed on primitive Earth.
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This molecule combines with CO2 to form the 3-carbon substance, 3-phosphoglycerate.
A. glyceraldehyde-3-phosphate (G3P) B. glucose C. ribulose biphoshpate (RuBP) D. glycerol E. nicotinamide adenine dinucleotide phosphate (NADPH)
As summer comes to the tundra, what will
occur?
a. A long growing season will begin. b. The surface layer will thaw and pools of water will form. c. The permafrost thaws out. d. Birds will begin their southerly migration. e. more than one of these
Which item or items are the same as a fertilized egg?
a. II only b. III only c. V only d. II and III e. III and V
Gonadotropin-releasing hormone (GnRH)
A) is made by the ovaries. B) causes endometrial cells to multiply. C) is produced by the pituitary. D) is secreted when there is a high level of progesterone in the blood. E) stimulates the release of FSH and LH.