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TLS Online TPP Program

#Question id: 11203

Which of the following statements about action potentials is correct?

#I Life Science/ Life Sciences Group – I-V
  1. Action potentials for a given neuron vary in magnitude.
  2. Action potentials for a given neuron vary in duration.
  3. Action potentials are propagated down the length of the axon.
  4. Movement of ions during the action potential occurs mostly through the sodium pump.
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TLS Online TPP Program

#Question id: 8918

#I Life Science/ Life Sciences Group – I-V

In individual insects of some species, whole chromosomes that carry larval genes are eliminated from the genomes of somatic cells at the time of metamorphosis. A consequence of this occurrence is that
TLS Online TPP Program

#Question id: 31

#SCPH28 | Zoology

Which of the following is the pair of enantiomers from the following substance? 
TLS Online TPP Program

#Question id: 1286

#SCPH28 | Zoology

Syndecans are cell-surface proteoglycans that:

a. bind to collagens.

b. bind to multi-adhesive matrix proteins.

c. anchor cells to the extracellular matrix.
TLS Online TPP Program

#Question id: 12685

#SCPH28 | Zoology

The polarities of the two strands of the molecule are in opposite direction and thus DNA is described as ________
TLS Online TPP Program

#Question id: 12735

#SCPH01 Biochemistry

Match the following:
A. Maize                                  i. Modified seed storage protein
B. Tomato                              ii. Modified ripening
C. Canola                                 iii. Resistance to insects
D. Soya Bean                         iv. Seed oil modification