Practice Questions

TLS Online TPP Program

#Question id: 4141

Bacterial ribosomes:

#Unit 3. Fundamental Processes

bind tightly to specific regions of DNA, forming polysomes.
contain at least one catalytic RNA molecule (ribozyme).
contain three species of RNA and five different proteins.
require puromycin for normal function.

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TLS Online TPP Program

#Question id: 12499

#Unit 8. Inheritance Biology

On the basis of the linked marker genotypes II 3 can be told that:

TLS Online TPP Program

#Question id: 12500

#Unit 8. Inheritance Biology

In this pedigree II 1 is affected with an autosomal recessive disorder. The disease status for II 2, II 3 and II 4 is unknown. A and B represent alleles at a locus which is tightly linked to the disease locus with recombination fraction of 0. On the basis of the linked markers II 2 can be told that:

TLS Online TPP Program

#Question id: 12501

#Unit 8. Inheritance Biology

In the pedigree shown, on the basis of the linked marker results II 3 can be told that:

TLS Online TPP Program

#Question id: 12502

#Unit 8. Inheritance Biology

In the pedigree shown, on the basis of the linked marker results II 4 can be told that:

TLS Online TPP Program

#Question id: 12503

#Unit 8. Inheritance Biology

In this pedigree II 1 is affected with an autosomal recessive disorder. The disease status for II 2 is unknown. A and B represent alleles at a locus which is tightly linked to the disease locus with recombination fraction of 0. Using the linked markers, II2 can be told that:

TLS Online TPP Program

#Question id: 12504

#Unit 8. Inheritance Biology

In this pedigree II 3 and III 1 are affected with an X-linked recessive disorder which is tightly linked to a marker locus with alleles A and B, with a recombination fraction of 0 between the disease and marker loci. Analysis of the linked marker results indicates that the disease must be segregating with: