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TLS Online TPP Program

#Question id: 11458

A person able to hear only low-frequency sounds would probably have which of the following structural problems in the ear?

#Unit 7. System Physiology – Animal
  1. The tympanum is damaged because of chronic ear infections.
  2. The basilar membrane is stiffened along its entire length.
  3. The ear ossicles are abnormally thickened.
  4. There is a loss of hair cell function in the area closest to the oval window.
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TLS Online TPP Program

#Question id: 17073

#Unit 12. Applied Biology

Hypoxanthine is converted into guanine by the enzyme HGPRT an enzymes of the salvage pathway. What does HGPRT stands for?
TLS Online TPP Program

#Question id: 3609

#Unit 8. Inheritance Biology

In humans, the dominance relationship between the A and B alleles of the ABO blood group gene is an example of
TLS Online TPP Program

#Question id: 65

#Unit 1. Molecules and their Interaction Relevant to Biology

Identify which of the following pair is enantiomers, diastereomers or meso compounds.
TLS Online TPP Program

#Question id: 3659

#Unit 3. Fundamental Processes

In eukaryotes, gap filling in BER involves predominantly DNA polymerase β whereas the longer gaps generated in NER are filled by:
TLS Online TPP Program

#Question id: 996

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is (are) true of the oxidation of 1 mol of palmitate (a 16-carbon saturated fatty acid; 16:0) by the B-oxidation pathway, beginning with the free fatty acid in the cytoplasm?

1. Activation of the free fatty acid requires the equivalent of two ATPs.

2. Inorganic pyrophosphate (PPi) is produced.

3. Carnitine functions as an electron acceptor.

4. 8 mol of FADH2 are formed.

5. 8 mol of acetyl-CoA are formed.

6. There is no direct involvement of NAD+.