TLS Online TPP Program

#Question id: 2136


When a bacterium such as E. coli is shifted from a warmer growth temperature to a cooler growth temperature, it compensates by:

#Section 2: General Biology
  1. increasing its metabolic rate to generate more heat.

  2. putting longer-chain fatty acids into its membranes.

  3. putting more unsaturated fatty acids into its membranes.

  4. shifting from aerobic to anaerobic metabolism.

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TLS Online TPP Program

#Question id: 3549

#Section 3: Genetics, Cellular and Molecular Biology

When a plant of chromosomal type aa pollinates plant of type AA, what is the chromosome constitution of embryo and endosperm is expected in the resulting seeds

TLS Online TPP Program

#Question id: 3550

#Section 3: Genetics, Cellular and Molecular Biology

A man with type A blood and colorblindness marries a woman with type A blood and normal. Their first female child has type O blood and colorblindness. What is the probability of next female child will be A blood group and colorblindness?

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#Question id: 3551

#Section 3: Genetics, Cellular and Molecular Biology

In angiosperm plant, assume that the male parent has an AA Bb genotype, and that the female parent has an aa BB genotype. What is genotype in endosperm nucleus, after reproduction between these two plants?

TLS Online TPP Program

#Question id: 3552

#Section 3: Genetics, Cellular and Molecular Biology

In corn, three dominant alleles, called A, C, and R, must be present to produce colored seeds. Which of the following genotype would produce 25 % color seeded plant, When cross with Aaccrr?

TLS Online TPP Program

#Question id: 3553

#Section 3: Genetics, Cellular and Molecular Biology

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

#Section 3: Genetics, Cellular and Molecular Biology

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