In this figure showing SDS-PAGE of the progressive stages of glycine N-methyltransferase purification, the marker lane indicates that the purified protein:
A. has approximately 32,000 amino acids.
B. has a molecular mass of approximately 32,000.
C. has a positive charge and a molecular mass of approximately 32,000.
D. has a negative charge and a molecular mass of approximately 32,000.
E. is only present when cells are induced with glycine.
B
You might also like to view...
A fruit, such as a strawberry, that develops from tissues of the receptacle as well as the ovary would be
considered a(n)
a. aggregate fruit. b. accessory fruit. c. multiple fruit. d. simple fruit. e. compound fruit.
Four of the five answers listed below are white blood cells. Select the exception
a. neutrophil b. erythrocyte c. lymphocytes d. monocyte e. basophil
A linear strand of DNA is 1,000 bp long. A recognition sequence for the restriction enzyme Eco R1 is located 300 base pairs (bp) from the 5' end of this linear DNA molecule. Digesting this DNA molecule with Eco RI would produce ________
A) one DNA fragment, 1,000 bp long B) three DNA fragments, two of them 300 bp long and one 400 bp long C) two DNA fragments, one 300 bp long and one 700 bp long D) two fragments, each 500 bp long E) none of the above
Tubular reabsorption occurs when most of the fluid and solutes move back into the ________
Fill in the blank(s) with correct word