#Question id: 2987
#SCPH06 I Botany
Following statements are regarding the goals of gap phases.
(i) to prepare for the next phase of the cell cycle.
(ii) to check that the previous phase of the cell cycle has been completed appropriately.
(iii) to inhibits CDKs activity.
(iv) to enhance servillance mechanisms.
Which of the following is correct?
#Question id: 2988
#I Life Science/ Life Sciences Group – I-V
Use the figure to answer the question below.
If the cell whose nuclear material is shown in the figure continues toward completion of mitosis, which of the following events would occur next?
#Question id: 2988
#SCPH06 I Botany
Use the figure to answer the question below.
If the cell whose nuclear material is shown in the figure continues toward completion of mitosis, which of the following events would occur next?
#Question id: 2989
#I Life Science/ Life Sciences Group – I-V
Use the figure to answer the question below.
In the figure, G1 is represented by which numbered part(s) of the cycle?
#Question id: 2989
#SCPH06 I Botany
Use the figure to answer the question below.
In the figure, G1 is represented by which numbered part(s) of the cycle?
#Question id: 2990
#I Life Science/ Life Sciences Group – I-V
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 ?