TLS Online TPP Program

#Question id: 3858


The 5' methyl guanosine caps added during RNA chain elongation performs what function?

1. prevents degradation by nucleases 

2. are recognized by protein factors

3. are used to identify the type of RNA

#SCPH01 Biochemistry
  1. 1

  2. 2

  3. 3

  4. Both 1 and 2

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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?

TLS Online TPP Program

#Question id: 4766

#SCPH01 Biochemistry

In soybeans, resistance to sudden death syndrome (SDS) is inherited as a dominant condition. In some cases, individuals that are not resistant to SDS (but whose parents were) can pass the trait on to their progeny. This is an example of which of the following?