Practice Questions

TLS Online TPP Program

#Question id: 779

Which is TRUE of the following statements?

#Unit 1. Molecules and their Interaction Relevant to Biology

A microRNA normally works by binding to perfectly complementary sequences within an RNA transcript, usually a mRNA.
A single type of mRNA can be regulated by multiple different miRNAs.
A single miRNA normally binds to transcripts from just one target gene.
MicroRNAs normally regulate the expression of just a single gene.

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TLS Online TPP Program

#Question id: 2659

#Unit 2. Cellular Organization

The correct option regarding the lac operon in E.coli from the following is

TLS Online TPP Program

#Question id: 10638

#Unit 10. Ecological Principles

Following some statement is given

A- Mortality rate constant over age group

B- Greater proportional survival at older age

C. Follow type III survivorship curve

D. Follow type II survivorship curve

Which of the following above statement is correct?

TLS Online TPP Program

#Question id: 256

#Unit 1. Molecules and their Interaction Relevant to Biology

The tetranucleotide AGTC (in DNA) has a free hydroxyl group on

TLS Online TPP Program

#Question id: 18833

#Unit 13. Methods in Biology

The PCR procedure, where Taq polymerase is added after the rest of the PCR components are heated to the DNA melting temperature, so as to avoid non-specific amplification at lower temperatures is

TLS Online TPP Program

#Question id: 27101

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the incorrect regarding γ-turns