Practice Questions

TLS Online TPP Program

#Question id: 282

A HATS enzymes reacts with the side-chain of lysine to form the following structure: What effect will the HATS enzymes have on histones?

#Unit 1. Molecules and their Interaction Relevant to Biology

No effect, since histones contain few lysine residues.
HATS will increase the affinity of histones for DNA.
HATS will allow for easier unravelling of histone-DNA structures.
HATS activate histones for interaction with mRNA.

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TLS Online TPP Program

#Question id: 8941

#Unit 9. Diversity of Life Forms

You are trying to identify an organism. It is an animal, but it does not have nerve or muscle tissue. It is neither diploblastic nor triploblastic. It is probably a

TLS Online TPP Program

#Question id: 8942

#Unit 9. Diversity of Life Forms

Which group contains diploblastic organisms?

TLS Online TPP Program

#Question id: 8943

#Unit 9. Diversity of Life Forms

Which group consists of deuterostomes?

TLS Online TPP Program

#Question id: 8944

#Unit 9. Diversity of Life Forms

Which two groups are most clearly represented in the Ediacaran fauna?

TLS Online TPP Program

#Question id: 8945

#Unit 9. Diversity of Life Forms

Which of these is the basal group of the Eumetazoa?

TLS Online TPP Program

#Question id: 8946

#Unit 9. Diversity of Life Forms

Which two groups have members that undergo ecdysis?