You try to start your car, but it does not start. Which of these is a hypothesis?
A) My car's battery is dead.
B) If I recharge the battery, then my car will start.
C) My car is too old to function properly.
D) What is wrong with my car?
A
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Which of the following hormones inhibits contraction of the uterus?
a. cortisol b. oxytocin c. prostaglandins d. progesterone e. estrogen
A mutation within the promoter region of a gene prevents RNA polymerase from recognizing and binding. What effect will this have on the expression of this gene?
A) The mutation will act as a positive control and increase expression of the gene. B) The mutation will prevent expression of the gene. C) The mutation will cause the protein produced by the gene to fold more tightly into its tertiary structure. D) The mutation will cause RNA polymerase to attach to the termination site, and gene expression will decrease. E) The mutation will cause the protein produced by the gene to denature
Which of the following is not part of the axial skeleton?
A. vertebrae B. rib C. hyoid D. temporal E. clavicle
When a rabbit eats a bean plant, a portion of the available energy moves into the rabbit's body. When the rabbit is eaten by a hawk, a portion of the available energy moves into the hawk's body. Indicate the various areas that energy is used by an organism, and why only 10% of the rabbit's available energy will move to the hawk.
What will be an ideal response?