The restriction enzyme EcoRI cuts between the G and the A of the sequence GAATTC. Which statement is true about this enzyme?

A) It will cut this sequence only in bacteriophage DNA.
B) It leaves sticky ends of sequence CTTA.
C) It leaves sticky ends of sequence AATT.
D) It will cut this sequence only in bacterial DNA.


Answer: C

Biology & Microbiology

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An isolated population of wild turkeys has adult males that weigh an average of 18 pounds and females that weigh an average of 10 pounds

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What enables the pigments indigo and carmine to capture light?

a. a single hydrogen bond b. a single bond of any element c. a conjugated system d. a double oxygen bond

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Which of the following is the pathway for water transport in a plant?

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The largest threat to global biodiversity, as identified by the International Union for Conservation of Nature (IUCN), is

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