#Question id: 15617
#SCPH01 Biochemistry
#Question id: 636
#SCPH05 I Biotechnology
DNA polymerase contains a lysine residue that is important for binding to DNA. Mutations were found that converted this lysine to either glutamate, glycine, valine, or arginine. Which mutations would be predicted to be the most and least harmful to the ability of the enzyme to bind DNA?
Most |
Least |
|
(A) |
Valine |
Aspartate |
(B) |
Glycine |
Arginine |
(C) |
Arginine |
Glycine |
(D) |
Glutamate |
Arginine |
#Question id: 12916
#SCPH28 | Zoology
#Question id: 10511
#SCPH05 I Biotechnology
Which type of pumps inhibits digitoxin in the membranes of heart cells, leading to increased myocardial contraction?
#Question id: 3849
#SCPH01 Biochemistry
Which of the following is short 20 to 22-nucleotide single-stranded RNAs that block the expression of complementary or partially complementary mRNAs.