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TLS Online TPP Program

#Question id: 11204

Why do Na+ ions enter the cell when voltage-gated Na+ channels are opened in neurons?

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

  1. because the Na+ concentration is much lower outside the cell than it is inside

  2. because the Na+ ions are actively transported by the sodium-potassium pump into the cell

  3. because the Na+ concentration is much higher outside the cell than it is inside, and the Na+ ions are attracted to the negatively charged interior

  4. because the Na+ concentration is much higher outside the cell than it is inside, and the Na+ ions are actively transported by the sodium-potassium pump into the cell

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TLS Online TPP Program

#Question id: 3521

#SCPH01 Biochemistry

Which of the following is incorrect about independent assortment?
TLS Online TPP Program

#Question id: 18666

#SCPH06 I Botany

The above figure shows where sample applied was 100 µg of total protein extracted from a normal dog heart ventricle. The first dimension was conducted using a pH 4–7 isoelectric focussing gel. The second dimension was a 12% SDS–PAGE vertical slab gel. The pattern was visualised by silver staining. Which of the following techniques is applied
TLS Online TPP Program

#Question id: 13044

#SCPH06 I Botany

How many different types of dNTPs are utilized in a reaction mixture when carrying out sanger’s DNA sequencing ?
TLS Online TPP Program

#Question id: 3878

#SCPH06 I Botany

Which of the following statements about the synthesis of rRNA and tRNA in E. coli is true?
TLS Online TPP Program

#Question id: 10282

#SCPH05 I Biotechnology

In the glycolytic reaction one of the step is catalyzed by ATP-dependent phosphofructokinase is essentially irreversible, at the same step which one of the following enzyme used in gluconeogenesis, both of the enzymes are ATP dependent.