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#Question id: 372


Carbon dioxide in the atmosphere dissolves with the raindrops. The pH of raindrops is ________.

#SCPH05 I Biotechnology
  1. slightly acidic

  2. slightly basic 

  3. same as pure water

  4. depends on the altitude where rain drops are formed

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TLS Online TPP Program

#Question id: 10511

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

Which type of pumps inhibits digitoxin in the membranes of heart cells, leading to increased myocardial contraction?

TLS Online TPP Program

#Question id: 4733

#SCPH01 Biochemistry

If a homozygous plant with red peppers is crossed with a homozygous plant with green peppers, all the F1 plants have red peppers. When the F1 are crossed with one another, the F2 are in a ratio of 9 red : 3 brown : 3 yellow : 1 green  due to

TLS Online TPP Program

#Question id: 18639

#SCPH05 I Biotechnology

Which one of the following techniques is used for the evaluation of phylogenetic trees? 

TLS Online TPP Program

#Question id: 3631

#SCPH01 Biochemistry

Six different mutations 1 to 6, from the following results of functional allelism tests whereby the mutants were crossed with each other, determine location of mutant gene.

TLS Online TPP Program

#Question id: 2990

#SCPH06 I Botany

Mitotic CDK complexes are maintained in an inactive state through inhibitory phosphorylation of the CDK subunit. Two highly conserved tyrosine and threonine residues in mammalian CDKs are subject to regulated phosphorylation.

Gene

  Mutant phenotypes

A. Wee1

i. the cell does not divide but continues to grow

B. CAK kinase

ii. mitotic cyclins are inactivated

C. cdc25 phosphatase

iii. premature entry into mitosis

The following table enlists genes and phenotypes observed on mutation of these genes but not correctly matched. Which one of the following combinations is correctly matched ?