TLS Online TPP Program
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TLS Online TPP Program
#Question id: 15361
#Unit 4. Cell Communication and Cell Signaling
The chemical benzo(a)pyrene, found in cigarette smoke as well as in coal tar, undergoes metabolic activation in the lungs to form a potent mutagen that mainly, causes conversion of guanine (G) to thymine (T) bases, a transversion mutation, When applied to cultured bronchial epithelial cells, activated benzo(a)pyrene induces many mutations, including inactivating mutations of the p53 gene, at codon number______
TLS Online TPP Program
#Question id: 19733
#Unit 3. Fundamental Processes
Extensive shortening of telomeres eventually leads to
TLS Online TPP Program
#Question id: 3676
#Unit 3. Fundamental Processes
Which function can be carried out by DNA replication proteins?
TLS Online TPP Program
#Question id: 12581
#Unit 10. Ecological Principles
Which of the following causes an increase in the intensity of UV radiation reaching the Earth?
TLS Online TPP Program
#Question id: 29073
#Unit 10. Ecological Principles
Given below is an ecological pyramid, which of the following statements about these pyramid is correct: