Which of the following scenarios leads to the highest level of lac operon expression?
A. high glucose levels, lactose absent
B. low glucose levels, lactose absent
C. high glucose levels, lactose present
D. low glucose levels, lactose present
D
Biology & Microbiology
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Draw a diagram of a typical neuron, label its parts, and list the function of each labeled structure. What will be an ideal response?
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Advantages to living in a social group for an animal include all of the following EXCEPT
A. help in predator avoidance. B. help raising young. C. spread of illness and parasites. D. group food gathering.
Biology & Microbiology
Which of these is not part of loose connective tissue?
A. adipose cells B. chondroitin C. reticulin D. collagen E. elastin
Biology & Microbiology
Which carbohydrate is of most importance to living organisms?
A) fructose B) maltose C) galactose D) glucose E) cellulose
Biology & Microbiology