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#Question id: 343

Assume that acid rain has lowered the pH of a particular lake to pH 5.0. What is the hydroxide ion concentration of this lake?

#SCPH28 | Zoology

  1. 1 × 10^-9 mol of hydroxide ions per liter of lake water

  2. 1 × 10^-5 mol of hydroxide ions per liter of lake water

  3. 5.0 M hydroxide ion

  4. 5.0 × 10^-5 mol of hydroxide ions per liter of lake water

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TLS Online TPP Program

#Question id: 658

#SCPH06 I Botany

To what level of structure do α-helices belong?
TLS Online TPP Program

#Question id: 2692

#SCPH05 I Biotechnology

 With respect to microsatellite DNA which of the following is correct?
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#Question id: 1740

#SCPH01 Biochemistry

Activation of resting B-cells by T-helper cells depends directly upon costimulatory interaction between:
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#Question id: 11453

#SCPH28 | Zoology

Which type of receptor would you expect to be most abundant in the antennae of a moth?
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#Question id: 5716

#SCPH28 | Zoology

Which of the meiotic pairing possibilities in tetraploids and their consequence is correct?

A-chromosomes pair as bivalents, segregate normally producing diploid gametes.

B- Chromosomes pair as quadrivalent, segregates normally producing tetraploid gametes.

C-Chromosome pair as Trivalents form, segregation leads to nonfunctional aneuploid gametes

 D- Chromosome pair as Trivalents form, segregation leads to producing diploid gametes