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
You might also like to view...
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
Another isolated population living 100 miles north has a population where adult males weigh 13 pounds and females 8 pounds on average. Both populations have a very low phenotypic variance. How could you determine genetic contributions to the weight differences between the populations?
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
The largest threat to global biodiversity, as identified by the International Union for Conservation of Nature (IUCN), is
A) habitat destruction. B) global warming. C) lack of farmland. D) introduced species. E) phosphate pollution.
Which of the following is the pathway for water transport in a plant?
Select one: a. root hairs ? cortex ? vascular cylinder ? leaves b. root hairs ? pith ? endodermis ? xylem ? leaves c. epidermis ? cortex ? phloem ? root d. epidermis ? pericycle ? cortex ? xylem ? leaves e. root hairs ? endodermis ? leaves ? xylem ? pith