#Question id: 6954
#Unit 5. Developmental Biology
Between fertilization and the first cleavage division, actin filaments pull the cytoplasm of the frog egg toward the point of sperm entry in a process called:
#Question id: 5803
#Unit 8. Inheritance Biology
The mutation which causes sickle cell anemia in humans:
#Question id: 2990
#Unit 2. Cellular Organization
Mitotic CDK complexes are maintained in an inactive state through inhibitory phosphorylation of the CDK subunit. Two highly conserved tyrosine and threonine residues in mammalian CDKs are subject to regulated phosphorylation.
Gene |
Mutant phenotypes |
A. Wee1 |
i. the cell does not divide but continues to grow |
B. CAK kinase |
ii. mitotic cyclins are inactivated |
C. cdc25 phosphatase |
iii. premature entry into mitosis |
The following table enlists genes and phenotypes observed on mutation of these genes but not correctly matched. Which one of the following combinations is correctly matched ?
#Question id: 8890
#Unit 9. Diversity of Life Forms
#Question id: 11620
#Unit 8. Inheritance Biology
The expression of some genes is significantly affected by their parental origin, , the differential expression of genetic material depending on whether it is inherited from the male or female parent, is called