Q. In which phase of cell cycle is DNA replicated?

View solution

Q. Cyclin dependent kinases which control progression through cell cycle checkpoints are totally activated by which of the following?

View solution

Q. At the end of each phase of cell cycle cyclins activating Cdks in that phase are inactivated irreversibly by _____________

View solution

Q. At which cell cycle checkpoint, cell cycle is halted if cell’s DNA is damaged?

View solution

Q. Which of the following occurs in meiosis but not in mitosis?

View solution

Q. Passage of a cell through stages of cell cycle is controlled by a protein kinase that phosphorylates many different proteins at appropriate times.

View solution

Q. Proto-oncogenes can be transformed to oncogenes by all of the following mechanisms except _____________

View solution

Q. Oncogenes do not encode for ___________

View solution

Q. Programmed cell death is termed as ___________

View solution

Q. Which of the following could be coded by a tumor-supressor gene?

View solution

Q. How does Ras oncogene contribute to cancers?

View solution

Q. Which property of p53 enables it to prevent the development of cancer?

View solution

Q. The characteristic of malignant other than a benign tumor is?

View solution

Q. The mutation which cannot give rise to an oncogene?

View solution

Q. Which of the following about Rb tumor suppressor protein is correct?

View solution

Q. Migration of cancerous cells from the site of origin to other part of the body forming secondary tumors is called ___________

View solution

Q. The information which is represented by a signal is detected by specific receptors and converted to a cellular response; this conversion is called _____________

View solution

Q. Signal molecule fits the binding site on its complementary receptor called as _____________

View solution

Q. Number of affected molecules increases geometrically in an enzyme cascade in _____________

View solution

Q. Receptor is removed from cell surface in _____________

View solution