RNA interference is a method for inhibiting the function of specific genes using

a. single-stranded DNA.                     

b. double-stranded DNA.

c. single-stranded RNA.                     

d. double-stranded RNA.

TLS Online TPP Program

#Question id: 32430

#Unit 2. Cellular Organization

Muscle contraction depends on two processes: 

a. Filament sliding, driven by the ATPase domain of myosin 

b. Ca²⁺ pumping, driven by the Ca²⁺-pump

c. Filament sliding, driven by the ATPase domain of actin

d. Na⁺ pumping, driven by the Na⁺- K⁺ pump

TLS Online TPP Program

#Question id: 9234

#Unit 9. Diversity of Life Forms

What is a critical load?

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#Question id: 11384

#Unit 10. Ecological Principles

Two islands, P and Q, are similar in habitat and other features. They are 100 and 200 km2 in size respectively, but have the same number of species. Which of the following statements can independently explain this observation?

(i) P is closer to the mainland than Q

(ii) P is further away from the mainland than Q

(iii) P has higher speciation rates than Q

(iv) P has lower speciation rates than Q

TLS Online TPP Program

#Question id: 28305

#Unit 5. Developmental Biology

Molecular processes of capacitation prepare the sperm for the acrosome reaction and enable the sperm to become hyperactive, which one is not the event of molecular processes___ 

TLS Online TPP Program

#Question id: 24263

#Unit 2. Cellular Organization

Choose the incorrect option