TLS Online TPP Program

#Question id: 27501


Which of the following statements regarding the reducing ability of a sugar is wrong?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. The aldehyde group of a saccharide is responsible for its reducing properties.

  2. Ketoses are not reducing sugars because they are not aldehydes.

  3. D-Glucose in predominantly in a cyclic hemiacetal form but it is a reducing sugar through the acyclic form with which the hemiacetal is in equilibrium.

  4. A methyl glucoside is not a reducing sugar.
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TLS Online TPP Program

#Question id: 5344

#Unit 8. Inheritance Biology

What is the most probable mode of inheritance depicted in the following pedigree?

TLS Online TPP Program

#Question id: 5345

#Unit 8. Inheritance Biology

Which of the following above is most probable mode of inheritance?

TLS Online TPP Program

#Question id: 5346

#Unit 8. Inheritance Biology

The following typical pedigree illustrates the key point that affected children are born to unaffected parents: Which of the following is correct statement?

TLS Online TPP Program

#Question id: 5347

#Unit 8. Inheritance Biology

The inheritance of a given disorder is recorded in small families shown below: Based on the above limited information, which one of the following inheritance pattern best explains the observations?

TLS Online TPP Program

#Question id: 5363

#Unit 8. Inheritance Biology

A Southern blot using a probe that binds to the region spanning the mutation causing albinism detects one DNA fragment in homozygous normal individuals (A/A) and two fragments in albino individuals (a/a). Following banding pattern of three offspring of parents? Which of the following correct regarding parents?

TLS Online TPP Program

#Question id: 5357

#Unit 8. Inheritance Biology

This pedigree shows the inheritance of a recessive trait in humans. Individuals that have the trait are homozygous for a recessive allele a. If H and I, who happen to be first cousins, marry and have a child, what is the chance that this child will have the recessive trait?