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TLS Online TPP Program

#Question id: 3032

Which of these statements about prokaryotes is correct?

#Section 2: General Biology

  1. Bacterial cells conjugate to mutually exchange genetic material.

  2. Their genetic material is confined within a nuclear envelope.

  3. They divide by binary fission, without mitosis or meiosis.

  4. Genetic variation in bacteria is not known to occur, nor should it occur, because of their asexual mode of reproduction.

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TLS Online TPP Program

#Question id: 3345

#Section 3: Genetics, Cellular and Molecular Biology

Some evolutionary force lead to genetic differences between populations while following are counteracts this tendency and tends to keep populations homogeneous in their allelic frequencies?
TLS Online TPP Program

#Question id: 3356

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following above way not cause sampling error in succeed generation?
TLS Online TPP Program

#Question id: 13038

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Please arrange the following steps about ELIZA (Enzyme-linked immunosorbent assay) in chronological order
i. incubate with antibody-enzyme complex that binds primary antibody
ii. coat surface with antigen, block unoccupied sites with nonspecific protein
iii. add substrate, formation of colored product indicates presence of specific antigen
iv. incubate with primary antibody against specific antigen
TLS Online TPP Program

#Question id: 1633

#Section 2: General Biology

Immunological memory can be transferred experimentally by:
TLS Online TPP Program

#Question id: 3308

#Section 3: Genetics, Cellular and Molecular Biology

Consider a single locus with 3 alleles which are at Hardy- Weinberg equilibrium. If the frequency of all homozygous genotypes is 0.54, what is the frequency of allele in population?