Two independent pure line varieties having deep red and brown phenotype in their seed coat were cross, the all f1 progeny is deep red. The F2 progeny obtain from selfing show deep red and brown in ratio of 15:1. Which of the following observation is correct?

#Question id: 1128

#Section 3: Genetics, Cellular and Molecular Biology

During the epinephrine stimulated conversion of glycogen to glucose 1-phosphate, which of the following steps involves protein phosphorylation?

a. inactivation of glycogen synthase               b. activation of protein kinase A

c. activation of adenylyl cyclise                      d. activation of glycogen phosphorylase

#Question id: 629

#Section 2: General Biology

In the presence of a fixed concentration of a competitive inhibitor, which of the following would best characterize an enzyme-catalyzed reaction when the concentration of the substrate is increased?

#Question id: 2264

#Section 3: Genetics, Cellular and Molecular Biology

Plants differ from animals in that plants have

#Question id: 545

#Section 2: General Biology

Which one of the following is not among the six internationally accepted classes of enzymes?

#Question id: 4151

#Section 3: Genetics, Cellular and Molecular Biology

The signal sequences that direct proteins to the nucleus are: