Match the following

Column A	Column B
A. Cyanide	1. Inhibit cytochrome oxidase
B. Piericidin A	2. Prevent electron transfer from Fe-S center to ubiquinone
C. Antimycin A	3. Blocks electron transfer from cytochrome b to cytochrome c1
D. Valinomycin	4. K+ ionophore

TLS Online TPP Program

#Question id: 247

#Unit 1. Molecules and their Interaction Relevant to Biology

The abbreviation pdAp indicates

TLS Online TPP Program

#Question id: 248

#Unit 1. Molecules and their Interaction Relevant to Biology

The abbreviation pppT indicates

TLS Online TPP Program

#Question id: 249

#Unit 1. Molecules and their Interaction Relevant to Biology

According to Chargaffʹs observations of nucleotide composition of DNA samples, which of the following options are correct

A) % of (G + C) + % of (A + T) = 100%.

B) A = T.

C) G = C.

D) %A + %C + %T = 100%.

TLS Online TPP Program

#Question id: 250

#Unit 1. Molecules and their Interaction Relevant to Biology

 Much of the stability of the double-stranded DNA structure is the result of

TLS Online TPP Program

#Question id: 251

#Unit 1. Molecules and their Interaction Relevant to Biology

The rise and pitch of B-DNA are 0.33 nm and 3.40 nm, respectively. About how many helical turns are there in a fragment 1 mm in length?

TLS Online TPP Program

#Question id: 252

#Unit 1. Molecules and their Interaction Relevant to Biology

Regions of DNA that are most easily unwound have