The chemical and breakdown products of herbicide DDT cause eggshell thinning and population declines in multiple North American and European bird of prey. They are remediated by 

TLS Online TPP Program

#Question id: 3641

#SCPH01 Biochemistry

The point at which separation of the strands and synthesis of new DNA takes place is known as the:

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#Question id: 3892

#SCPH28 | Zoology

The DNA binding motif for many prokaryotic regulatory proteins, such as the lac repressor, is:

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#Question id: 4565

#I Life Science/ Life Sciences Group – I-V

Darwinʹs mechanism of natural selection required long time spans in order to modify species. From whom did Darwin get the concept of Earthʹs ancient age?

TLS Online TPP Program

#Question id: 3523

#SCPH12 I Genetics

If the number of heterozygous pairs involved in a particular cross is three, the phenotype ratio obtained in their F2 generation will be-

TLS Online TPP Program

#Question id: 10985

#I Life Science/ Life Sciences Group – I-V

What is the membrane potential (threshold level) at which the S-A node discharges?