Which of the following is NOT true of catalysts?
A. They lower the activation energy of the reaction.
B. They allow endergonic reactions to become exergonic reactions.
C. They are unchanged by the reaction catalyzed.
D. They increase the amount of energy released by a chemical reaction.
Answer: B
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The sequence of information flow in response to biting into a slice of pizza is
A) impulse sent to CNS, sensory receptors activated, perception, sensation. B) perception, sensation, impulse send to CNS, sensory receptors activated. C) impulse sent to CNS, sensory receptors activated, sensation, perception. D) sensory receptors activated, impulse sent to CNS, sensation, perception.
Which of the choices below best describes the glomerular filtration rate (GFR)?
a) the volume of filtrate created by the kidneys per minute b) the blood pressure within the glomerulus c) the volume of blood flowing through the glomerular capillaries per minute d) the volume of urine that leaves the kidneys per minute
Which structure(s) is(are) part of the inner neural layer?
A) Iris, ciliary body, and choroid
B) Retina
C) Lens
D) Sclera and cornea
The allantois
A. is the fetal half of the placenta. B. becomes the umbilical cord vessels. C. cushions and protects the embryo with fluid. D. is the first site of blood cell formation.