Choose true and false

A. Repetitive DNA is characterized by its relatively slow rate of renaturation.

B. Satellite DNA consists of very large sequences repeated many times in tandem in large clusters.

C. In humans, the α satellite family, found in centromeric regions, has a repeat unit length of 171 bp.

D. In mammalian genomes satellite DNA is less than 10%, but in the fruit fly Drosophila virilis, it amounts to 50%.

TLS Online TPP Program

#Question id: 683

#Unit 1. Molecules and their Interaction Relevant to Biology

Which factor does not help to explain why many proteins exhibit quaternary structure?

TLS Online TPP Program

#Question id: 684

#Unit 1. Molecules and their Interaction Relevant to Biology

Protein subunits in a multisubunit protein are held to each other primarily by

TLS Online TPP Program

#Question id: 685

#Unit 1. Molecules and their Interaction Relevant to Biology

A protein has a molecular weight of 5600 daltons; its subunits are about 1960 daltons. There are ________ protein chains per oligomer.

TLS Online TPP Program

#Question id: 686

#Unit 1. Molecules and their Interaction Relevant to Biology

Which is not an example of an oligomeric protein?

TLS Online TPP Program

#Question id: 687

#Unit 1. Molecules and their Interaction Relevant to Biology

All of the following are considered “weak” interactions in proteins, except:

TLS Online TPP Program

#Question id: 688

#Unit 1. Molecules and their Interaction Relevant to Biology

Pauling and Corey’s studies of the peptide bond showed that: