TLS Online TPP Program

#Question id: 265


Changes in the topology and three-dimensional shape of B-DNA can result from

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. cleaving nucleotides from the ends of DNA

  2. adding or removing supercoils

  3. methylation of the nitrogenous bases

  4. packaging of DNA into nucleosomes

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TLS Online TPP Program

#Question id: 19890

#Unit 12. Applied Biology

QCM is a kind of a piezoelectric biosensor which detects mass change. What is the standard form of QCM biosensor ?

TLS Online TPP Program

#Question id: 34171

#Unit 3. Fundamental Processes

If the rate of fidelity of replication in bacteria is 10-9/bp. How many replications it would take to make a mistake?

TLS Online TPP Program

#Question id: 15197

#Unit 8. Inheritance Biology

In the following pedigree shows the segregation of two different recessive traits.

Assuming that both traits are 10 cM apart on the X chromosome, what is the probability that a male child will have both recessive traits?

TLS Online TPP Program

#Question id: 19126

#Unit 12. Applied Biology

A successful biosensor must have some of the following features such as.
1. Should be highly specific for the analyte 
2. Reaction used should be independent of factors like stirring, pH, temperature, etc. 
3. Response should be linear over a useful range of analyte concentrations
Which of the following above statements are correct?

TLS Online TPP Program

#Question id: 29490

#Unit 6. System Physiology – Plant

Some statement is given related to cytokinin regarding location, expression and synthesis and concentration
a. IPT1, IPT3, IPT5, and IPT8 are located in plastids
b. KNOX gene expression increases cytokinin levels in the shoot with the help of IPT7
c. Cytokinin Primary site of synthesis -- root tips.
d. High concentrations -- immature seeds and developing fruits

Which one of the following options represents the combination of all correct statements?