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TLS Online TPP Program

#Question id: 9244

One characteristic that distinguishes a population in an extinction vortex from most other populations is that

#Unit 9. Diversity of Life Forms
  1. it is a rare, top-level predator.
  2. its effective population size is lower than its total population size.
  3. its genetic diversity is very low.
  4. it is not well adapted to edge conditions.
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TLS Online TPP Program

#Question id: 14084

#Unit 1. Molecules and their Interaction Relevant to Biology

In DNA helix the angle at which the two sugars protrude from the base pairs (i.e., the angle between the glycosidic bonds) are 
A. 120
B. 36 
C. 240
D. 20
Choose the correct option?
TLS Online TPP Program

#Question id: 14483

#Unit 13. Methods in Biology

In a garden 40% of the flowers are roses and the rest are carnations. If 25% of the roses and 10% of the carnations are red, the probability that a red flower selected at random is a rose.
TLS Online TPP Program

#Question id: 910

#Unit 1. Molecules and their Interaction Relevant to Biology

Experiments on denaturation and renaturation after the reduction and reoxidation of the —S—S— bonds in the enzyme ribonuclease (RNase) have shown that:
TLS Online TPP Program

#Question id: 926

#Unit 1. Molecules and their Interaction Relevant to Biology

The carbon atoms from a fatty acid with an odd number of carbons will enter the citric acid cycle as acetyl-CoA and:
TLS Online TPP Program

#Question id: 12047

#Unit 7. System Physiology – Animal

Biopsies are taken from the antral and duodenal mucosa of a 65-year-old woman. Which of the following hormones can be found in tissue homogenates from both locations?