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TLS Online TPP Program

#Question id: 2750

Which of the following is true of histones?

#Life Sciences

  1. Histones are acidic proteins.

  2. Histones are found in animal chromatin but in not plant cells.

  3. The amino acid sequences of histone proteins are very similar in different organisms.

  4. All histones form part of the nucleosome core particles in chromatin.

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TLS Online TPP Program

#Question id: 1445

#Biochemistry

Germ-line mutations in which of the following has(have) been implicated in hereditary cancers?
TLS Online TPP Program

#Question id: 1446

#Life Sciences

Hereditary cancers typically possess loss-of-heterozygosity in:
TLS Online TPP Program

#Question id: 1447

#Life Sciences

A patient with B cell leukemia donates some cancer cells for analysis. The cells do not contain the usual chromosomal translocations associated with leukemia. Instead, a sporadic mutation seems to have arisen in a certain gene, followed by loss of heterozygosity in the second copy. This gene product is most likely:
TLS Online TPP Program

#Question id: 1448

#Life Sciences

Cancer genome analysis has been utilized for all the following applications, except:
TLS Online TPP Program

#Question id: 1451

#Life Sciences

Burkitt’s lymphoma results from the overproduction of:
TLS Online TPP Program

#Question id: 1539

#Biochemistry

Regulatory T cell (TREG) have identified by the presence of