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TLS Online TPP Program

#Question id: 1440

Which of the following is NOT evidence that smoking causes lung cancer?

#Unit 4. Cell Communication and Cell Signaling

  1. Epidemiological rates of lung cancer dramatically increased after more people started to smoke.

  2. Exposure of lung cells to the active carcinogen found in cigarettes causes mutations in p53.

  3. Mutations in p53 are found in the same codons in patients with lung cancer who smoke as in cultured cells treated with benzo(a)pyrene.

  4. Epidemiological rates of lung cancer in women increased years after the rates in men increased.

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TLS Online TPP Program

#Question id: 10479

#Unit 1. Molecules and their Interaction Relevant to Biology

All hydrophobic amino acids (valine, leucine, isoleucine, etc.) share which of the following properties
TLS Online TPP Program

#Question id: 10480

#Unit 1. Molecules and their Interaction Relevant to Biology

If we want to perform a reaction, first we need to remove ordered water molecule phenomenon is known as
TLS Online TPP Program

#Question id: 10481

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the amino acid appropriately with their groups

A. Guanidinium groupi. Histidine
B. Imidazole ringii. Arginine
C. Imino groupiii. All except proline
D. Amino groupiv. proline
TLS Online TPP Program

#Question id: 10482

#Unit 6. System Physiology – Plant

A herbicides dichlorophenyldimethylurea (DCMU) is known as diuron an inhibitor of photosynthetic electron transport. Which one of the following option would be correct about diuron?

a.) Blocks electron flow at the plastoquinone acceptors of PSII by competing for the binding site of plastoquinone

b.) causes a partial inhibition of stomatal closing

c.) accepts electrons from the early acceptors of PSI such as A0 and then reacts with oxygen to form superoxide, O2 –

d.) causes a partial inhibition of light-stimulated stomatal opening
TLS Online TPP Program

#Question id: 10483

#Unit 6. System Physiology – Plant

Given below some facts regarding the stomal responses in light condition. Which one of the following would be INCORRECT?
TLS Online TPP Program

#Question id: 10484

#Unit 6. System Physiology – Plant

Blue light mediated activation of proton pumps which is electrogenic in nature can be measured or analyze by using which system?