TLS Online TPP Program

#Question id: 2116


When a cell is in equilibrium with its environment, which of the following processes occurs for substances that can diffuse through the plasma membrane?

#Section 2: General Biology
  1. There is directed movement of substances into and out of the cell.

  2. There is random movement of substances into and out of the cell.

  3. There is no movement of substances into or out of the cell.

  4. All movement of molecules across the plasma membrane occurs by active transport.

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TLS Online TPP Program

#Question id: 3546

#Section 3: Genetics, Cellular and Molecular Biology

What is the probability of getting three children with same sex from parents?

TLS Online TPP Program

#Question id: 3547

#Section 3: Genetics, Cellular and Molecular Biology

Ram and Nidhi are apparently normal, but their daughter was born with alkaptonuria, an inherited metabolic disorder. If alkaptonuria is like most human hereditary disorders, the probability of their next child being born with alkaptonuria is

TLS Online TPP Program

#Question id: 3548

#Section 3: Genetics, Cellular and Molecular Biology

 In a cross between two heterozygotes (Aa), the F2 generation will be

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?

TLS Online TPP Program

#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?