9 Questions
Which organelle increases in both number and size during the senescent phase?
Lysosomes
What happens to heat shock protein expression during the senescent phase?
It decreases
What do senescent cells secrete that triggers cellular responses?
Cytokines and chemokines
Which molecule provides the template for creating the repeated DNA sequence in telomerase?
hTERC
What is the main function of telomerase?
Maintaining telomere ends
Which component of telomerase adds the new DNA segment to the chromosome end?
hTERT
Which cells have high telomerase activity?
Germ cells and stem cells
What is the function of telomerase?
To stabilize telomere length
Where is telomerase almost absent?
Adipose tissue, lung, liver, and kidney cells
Test your knowledge on the properties and changes exhibited by cells during the senescent phase. Learn about cell morphology, cellular density, lysosomes, mitochondrial DNA deletions, and more. Discover how certain chemical exposures can impact cell behavior.
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