How many carbon dioxide molecules are required to make one molecule of glucose?
A) three B) two C) six D) eight
Answer: C
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You have been studying the effect of a concentration gradient on the rate of transport of a nutrient into a bacterial cell. If a carrier protein is involved in the transport of this nutrient, which curve would you expect to see?
A. B B. A C. C
You are scheduled to give a seminar to your fellow med school students, and have chosen to speak about the pituitary. What important points will you include? (Check all that apply.)
_____ The posterior pituitary is derived from the brain, while the anterior pituitary is not. _____ The anterior pituitary is derived from the brain, while the posterior pituitary is not. _____ The pituitary is a compound endocrine gland. _____ Each half of the pituitary secretes one important hormone. _____ Some pituitary hormones have sex-specific effects. _____ If there is too little iodine in the diet, the pituitary can grow into a goiter. _____ The pituitary is responsible for producing at least nine major hormones.
The area on the retina that has the greatest density of cone cells is called the ____
a. fovea b. visual ganglion c. lateral geniculate nucleus d. visual cortex e. blind spot
Which of the following numbered events represents the correct sequence of events of prokaryotic
translation initiation? 1) large ribosomal subunit binds to initiation complex 2) initiation tRNA binds small ribosomal subunit 3) initiation complex binds to ribosome recognition sequence on mRNA a. 1 ? 2 ? 3 b. 1 ? 3 ? 2 c. 2 ? 1 ? 3 d. 2 ? 3 ? 1 e. 3 ? 2 ? 1