TLS Online TPP Program

#Question id: 1703


Which of the following statements is TRUE about an epitope?

#Section 2: General Biology
  1. An epitope is the area on an antigen that contacts antibody

  2. An epitope is the area on an antibody that contacts antigen

  3. An epitope requires both antigen-binding arms of the antibody molecule for its recognition

  4. An epitope is usually composed of a linear sequence of amino acids

More Questions
TLS Online TPP Program

#Question id: 3269

#Section 3: Genetics, Cellular and Molecular Biology

Two plant species live in the same biome but on different continents. Although the two species are not at all closely related, they may appear quite similar as a result of

TLS Online TPP Program

#Question id: 3270

#Section 3: Genetics, Cellular and Molecular Biology

Heterozygote advantage should be most closely linked to which of the following?

TLS Online TPP Program

#Question id: 3271

#Section 3: Genetics, Cellular and Molecular Biology

Consider hemophilia A, a clotting disorder caused by an X-linked recessive allele with a frequency (q) of approximately 1 in 10,000. The frequency of the disease among females and among male respectively

TLS Online TPP Program

#Question id: 3273

#Section 3: Genetics, Cellular and Molecular Biology

The number of forward mutations is equal to the number of reverse mutations then

a) Population is in equilibrium for forward and reverse mutation rates

b) The population is being in Hardy–Weinberg equilibrium

c) No further change in allelic frequency

TLS Online TPP Program

#Question id: 3274

#Section 3: Genetics, Cellular and Molecular Biology

The common edible frog of Europe is a hybrid between two species, Rana lessonae and Rana ridibunda. The hybrids were first described in 1758 and have a wide distribution, from France across central Europe to Russia. Both male and female hybrids exist, but when they mate among themselves, they are rarely successful in producing offspring. What can you infer from this information?

TLS Online TPP Program

#Question id: 3275

#Section 3: Genetics, Cellular and Molecular Biology

When imbalances occur in the sex ratio of sexual species that have two sexes (that is, other than a 50:50 ratio), the members of the minority sex often receive a greater proportion of care and resources from parents than do the offspring of the majority sex. This is most clearly an example of ________.