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TLS Online TPP Program

#Question id: 1435

Direct-acting carcinogens are those that:

#Unit 4. Cell Communication and Cell Signaling

  1. chemically react with nitrogen and phosphorous atoms in DNA.

  2. work in conjunction with cytochrome P-450 in the endoplasmic reticulum.

  3. are mainly reactive electrophiles.

  4. generally unreactive, often water-insoluble compounds that can act as potent cancer inducers only after the introduction of electrophilic centers.

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TLS Online TPP Program

#Question id: 12193

#Unit 6. System Physiology – Plant

Naturally occurring auxin transport inhibitors are___
TLS Online TPP Program

#Question id: 12424

#Unit 10. Ecological Principles

The logistic model predicts a population growth curve that approximates the shape of a(n)
TLS Online TPP Program

#Question id: 27491

#Unit 1. Molecules and their Interaction Relevant to Biology

The observed rotation of 10.0g of Compound (X) in 50mL of solution in a 20-cm polarimeter tube is +2.3° at 20 °C, what is the specific rotation of the compound?
TLS Online TPP Program

#Question id: 907

#Unit 1. Molecules and their Interaction Relevant to Biology

Thermodynamics of protein folding is depicted as a free energy vs folding process:

Choose the correct match for regions mentioned in the figure

A.

1. Molten globule

B.

2. Unfolded

C.

3. Transition state

D.

4. Folded

TLS Online TPP Program

#Question id: 33482

#Unit 2. Cellular Organization

Find true and false statements
A. In general, mutations occur at the same rate in both exons and introns, 
B. Exon mutations are eliminated more effectively by selection.
C. Introns may more freely accumulate point substitutions and other changes.