TLS Online TPP Program

#Question id: 11146


If you experimentally increase the concentration of Na+ outside a cell while maintaining other ion concentrations as they were, what would happen to the cell's membrane potential?

#I Life Science/ Life Sciences Group – I-V
  1. The membrane potential would become more negative.
  2. The membrane potential would become more positive.
  3. The membrane potential would be unaffected.
  4. The answer depends on the thermodynamic potential.
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TLS Online TPP Program

#Question id: 3553

#SCPH12 I Genetics

Diploid cell genotype AaBb undergoes meiosis that generates new combinations of alleles by which mechanism when gene A and B located on the same chromosome?  

TLS Online TPP Program

#Question id: 3554

#SCPH01 Biochemistry

The diploid cell with 6 pairs of chromosomes can divide. How many possible different combinations of maternal and paternal chromosomes in metaphase?

TLS Online TPP Program

#Question id: 3554

#SCPH12 I Genetics

The diploid cell with 6 pairs of chromosomes can divide. How many possible different combinations of maternal and paternal chromosomes in metaphase?

TLS Online TPP Program

#Question id: 3555

#SCPH01 Biochemistry

In watermelons, bitter fruit (B) is dominant over sweet fruit (b), and yellow spots (S) are dominant over no spots (s). The genes for these two characteristics assort independently. A homozygous plant that has bitter fruit and yellow spots is crossed with a homozygous plant that has sweet fruit and no spots. If an F1 plant is cross with the heterozygous for bitter and no spots, what phenotypes ratio are expected in the offspring?

TLS Online TPP Program

#Question id: 3555

#SCPH12 I Genetics

In watermelons, bitter fruit (B) is dominant over sweet fruit (b), and yellow spots (S) are dominant over no spots (s). The genes for these two characteristics assort independently. A homozygous plant that has bitter fruit and yellow spots is crossed with a homozygous plant that has sweet fruit and no spots. If an F1 plant is cross with the heterozygous for bitter and no spots, what phenotypes ratio are expected in the offspring?

TLS Online TPP Program

#Question id: 3556

#SCPH01 Biochemistry

Flower color in plant follows incomplete dominance. Cross between AA and aa results all F1 offspring are uniform were allowed to cross with AA genotype. What will be phenotype ratio?