TLS Online TPP Program

#Question id: 3763


What is the function of the enzyme topoisomerase in DNA replication?

#Section 3: Genetics, Cellular and Molecular Biology
  1. relieving strain in the DNA ahead of the replication fork caused by the untwisting of the double helix

  2. elongating new DNA at a replication fork by adding nucleotides to the existing chain

  3. reattaching the hydrogen bonds between the base pairs in the double helix

  4. building RNA primers using the parental DNA strand as a template

More Questions
TLS Online TPP Program

#Question id: 10770

#Section 3: Genetics, Cellular and Molecular Biology

Both the allele A and B independently express in heterozygous condition are known as

TLS Online TPP Program

#Question id: 10771

#Section 3: Genetics, Cellular and Molecular Biology

What is penetrance?
A- % of individuals having phenotype according to their genotype.
B- Penetrance refers to the likelihood that a clinical condition will occur when a particular genotype is absent.
C- 100% expressivity always gives 100% penetrance.
which one of the correct combination-

TLS Online TPP Program

#Question id: 10772

#Section 3: Genetics, Cellular and Molecular Biology

In an experiment plant RR round genotype have 100 seeds. In F1 generation 70 seeds are round and 30 seeds are wrinkled. So what will be
the penetrance value for round seeds?

TLS Online TPP Program

#Question id: 10773

#Section 3: Genetics, Cellular and Molecular Biology

What is Pseudo dominance?

TLS Online TPP Program

#Question id: 10774

#Section 6: Plant, Animal and Microbial Biotechnology

Following are a few statements regarding the structure of terpenes:

a) Isopentenyl diphosphate and Dimethyallyl diphosphate are combinely called monoterpene, respectively

b) Isopentenyl diphosphate and Farnesyl diphosphate are Sesquiterpenes and Tetraterpenes

c) Monoterpenes, Sesquiterpenes and Diterpenes have 10, 20  and 30 carbons, respectively

d) Grenyl grenyl diphosphate usually have 20 carbons compound by multiplying with  2X is known as testraterpenes

Which combination of the above statements is correct?

TLS Online TPP Program

#Question id: 10775

#Section 6: Plant, Animal and Microbial Biotechnology

Geranyl diphosphate is a precursor of which plant hormone biosynthesis?