Practice Questions

TLS Online TPP Program

#Question id: 888

Which one of the following statements about the protein folding is incorrect?

#Unit 1. Molecules and their Interaction Relevant to Biology

proteins fold to their native conformations in less than a few seconds
protein fold to its conformation by increasing the free energy sharply
proteins fold to their native conformations via directed pathways rather than stumbling on them through random conformational
Protein folding a one-way process that has been termed a hydrophobic collapse

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TLS Online TPP Program

#Question id: 5785

#Unit 8. Inheritance Biology

Which disease is the result of a somatic mutation?

TLS Online TPP Program

#Question id: 28370

#Unit 5. Developmental Biology

the generation of dorsal/ventral axis in Drosophila, which protein signal causes follicle cells to differentiate into a dorsal axis of embryo?

TLS Online TPP Program

#Question id: 29048

#Unit 10. Ecological Principles

Many organisms minimize heat loss to the environment via___

TLS Online TPP Program

#Question id: 32388

#Unit 2. Cellular Organization

What is the role of troponin I in muscle contraction?

TLS Online TPP Program

#Question id: 20538

#Unit 12. Applied Biology

Aromatic hydrocarbons including benzene, toluene, ethylbenzene and xylene collectively referred as BTEX compounds. Which of them is considered as carcinogenic?