TLS Online TPP Program

#Question id: 15387


How might the results of Bernard Davis's U tube experiment have been different if each strain were only mutant for a single gene?

#Unit 8. Inheritance Biology
  1. There would be no difference.
  2. Transformation by small pieces of DNA could restore gene function.
  3. Conjugation would not be required to change the phenotype of the bacterial strains.
  4. B AND C
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TLS Online TPP Program

#Question id: 22956

#Unit 5. Developmental Biology

Individual and overlapping expression of homeotic genes in adjacent whorl of a flower determine the pattern of floral organ development. In an Arabidopsis mutant, floral organs are distributed as follows
WHORL 1 Sepal
WHORL 2 Petal
WHORL 3 Petal
WHORL 4 Sepal
Loss of function mutation in which one of the following genes would have caused the above pattern of floral organs development 

TLS Online TPP Program

#Question id: 12997

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the given reason is correct to minimize the repulsion in an α-helix
a) positively charged amino acids are often found near the amino terminus of the helical segment
b) negatively charged amino acids are often found near the amino terminus of the helical segment
c) positively charged amino acids are often found near the C-terminus of the helical segment.
d) negatively charged amino acids are often found near the C-terminus of the helical segment.

TLS Online TPP Program

#Question id: 11117

#Unit 7. System Physiology – Animal

The molecule that prevents lung collapse by lowering the surface tension of the water film lining each alveolar sac is called:

TLS Online TPP Program

#Question id: 528

#Unit 1. Molecules and their Interaction Relevant to Biology

Once inside a cell, glucose is rapidly phosphorylated to glucose-6-phosphate. What is the main purpose of this phosphorylation?

TLS Online TPP Program

#Question id: 4567

#Unit 11. Evolution and Behavior

Charles Darwin was the first person to propose