TLS Online TPP Program

#Question id: 2732


DNA is an important therapeutic target for the intercalating agent class of drugs. These drugs work by:

#SCPH05 I Biotechnology
  1. Occupying the space between base pairs forming a stable complex.

  2. Forming hydrogen bonds with active site amino acid residues.

  3. Promoting the unwinding of the DNA double helix.

  4. Preventing the formation of base pairs.

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TLS Online TPP Program

#Question id: 4763

#SCPH01 Biochemistry

in a rare blood type referred to as the bombay phenotype, individuals are unable to attach the a or b antigens to their red blood cells. individuals that are homozygous recessive for gene "h" have the bombay phenotype and their blood type is type "o" regardless of their abo genotype. this is an example of what extension of mendelian inheritance?

TLS Online TPP Program

#Question id: 4763

#SCPH12 I Genetics

in a rare blood type referred to as the bombay phenotype, individuals are unable to attach the a or b antigens to their red blood cells. individuals that are homozygous recessive for gene "h" have the bombay phenotype and their blood type is type "o" regardless of their abo genotype. this is an example of what extension of mendelian inheritance?

TLS Online TPP Program

#Question id: 4764

#SCPH01 Biochemistry

Which of the following is the best example of overdominance?

TLS Online TPP Program

#Question id: 4764

#SCPH12 I Genetics

Which of the following is the best example of overdominance?

TLS Online TPP Program

#Question id: 4765

#SCPH01 Biochemistry

The recessive mutant allele that causes cystic fibrosis is much more frequent in Caucasians population than in other world populations. Some scientists believe heterozygotes must have had a survival advantage during plagues such as cholera that occasionally swept through this population. What concept does this illustrate?

TLS Online TPP Program

#Question id: 4765

#SCPH12 I Genetics

The recessive mutant allele that causes cystic fibrosis is much more frequent in Caucasians population than in other world populations. Some scientists believe heterozygotes must have had a survival advantage during plagues such as cholera that occasionally swept through this population. What concept does this illustrate?