Stem cells found in the tissues of organs after the organ has matured and usually involved in replacing and repairing tissues of that particular organ, forming a subset of cell types, termed as

TLS Online TPP Program

#Question id: 180

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statements about aromatic amino acids is correct?

TLS Online TPP Program

#Question id: 181

#Unit 1. Molecules and their Interaction Relevant to Biology

Titration of valine by a strong base, for example NaOH, reveals two pK’s. The titration reaction occurring at pK2 (pK2 = 9.62) is:

TLS Online TPP Program

#Question id: 182

#Unit 1. Molecules and their Interaction Relevant to Biology

Which amino acid is least likely to participate in acid-base catalysis?

TLS Online TPP Program

#Question id: 183

#Unit 1. Molecules and their Interaction Relevant to Biology

At pH 7.0, converting a glutamic acid to gamma-carboxyglutamate, will have what effect on the overall charge of the protein containing it?

TLS Online TPP Program

#Question id: 184

#Unit 1. Molecules and their Interaction Relevant to Biology

What is the approximate charge difference between glutamic acid and alpha-ketoglutarate at pH 9.5?

TLS Online TPP Program

#Question id: 185

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the amino acids with their correct functional group:

1. Indole	i. Histidine
2. Imidazole	ii. Tryptophan
3. Thiol	iii. Cysteine
4. Pyrrolidine	iv. Proline