Which of the following occur(s) during Pol II transcription preinitiation complex formation?

a. TFIIA binds to TFIIB.  b. TFIIB unwinds the DNA.

c. TFIIB contacts both TATA box–binding factor and DNA.

d. DNA bends.

TLS Online TPP Program

#Question id: 2368

#Unit 2. Cellular Organization

 Which of these produce most of the ATP in aerobic cellular respiration?

TLS Online TPP Program

#Question id: 130

#Unit 1. Molecules and their Interaction Relevant to Biology

An amino acid with two chiral carbon atoms

TLS Online TPP Program

#Question id: 4128

#Unit 3. Fundamental Processes

Which of the following statements about tRNA molecules is false?

TLS Online TPP Program

#Question id: 28856

#Unit 2. Cellular Organization

The main families of motor proteins mediate transport along microtubules Kinesin-1 which is similar to myosin II that contain various domains such as

I) Head domain

II) Stalk domain

III) Tail domain

a) forms a long coiled-coil

b) at the C-terminus that attaches to cargo

c) at the N-terminus of the heavy chain

d) at the C-terminus of the heavy chain

Correctly match the following domains with given characters;

TLS Online TPP Program

#Question id: 315

#Unit 1. Molecules and their Interaction Relevant to Biology

Which is not a proper way to form a hydrogen bond? (The symbol ʺRʺ represents a general organic group. The hydrogen bonding is represented by dashed lines.)