Explain the difference between potential and kinetic energy.
What will be an ideal response?
Potential energy is inactive stored energy that has potential to do work. Kinetic energy is energy in action.
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Goldfish may live as long as ____________ years
Fill in the blank(s) with correct word
The temperature control center within the anterior region of the hypothalamus is activated by ______ and initiates reflexes that mediate ______
a. cold; heat production and heat conservation b. cold; heat loss c. warmth; heat loss d. warmth; heat production and heat conservation e. warmth; vasoconstriction
Which of the following is true of the orbital complex?
A) Nasolacrimal canal is formed by maxillae and ethmoid bone. B) Lacrimal fossa carry mucus from one sinus to another sinus. C) Infra-orbital foramen are formed by maxillae. D) Lacrimal sulcus allows passage of the optic nerve out of the orbit. E) Supra-orbital notch carries tears from the nasal cavity to the orbit.
Lipid-soluble hormones, such as progesterone, exert their effects by forming hormone-receptor complexes that
A. activate a G protein and second-messenger cascade. B. activate adenylate cyclase. C. open ion channels in the cell membrane. D. bind to DNA and initiate transcription.