Practice Questions

TLS Online TPP Program

#Question id: 289

Which of the following statements describes a covalent bond between Carbon and Hydrogen:

#Unit 1. Molecules and their Interaction Relevant to Biology

The electrons are shared equally between the two atoms of the bond.
The electrons of the bond are pulled closer to the nucleus of Hydrogen, because its outer shell electron is closer to its nucleus than the outer shell electrons of Carbon are to its nucleus.
The electrons of the bond are pulled closer to the nucleus of Hydrogen, because its nucleus contains more protons than Carbon.
The electrons of the bond are pulled slightly closer to the nucleus of Carbon, because although its outer shell electrons are located farther away from the protons of its nucleus, it contains more protons than Hydrogen.

More Questions

TLS Online TPP Program

#Question id: 258

#Unit 1. Molecules and their Interaction Relevant to Biology

It is easier to melt DNA richer in AT than GC because

TLS Online TPP Program

#Question id: 259

#Unit 1. Molecules and their Interaction Relevant to Biology

As B-DNA is gradually heated, the absorbance at 260 nm

TLS Online TPP Program

#Question id: 260

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is mismatched?

TLS Online TPP Program

#Question id: 261

#Unit 1. Molecules and their Interaction Relevant to Biology

Which is not a difference between B-DNA and A-DNA?

TLS Online TPP Program

#Question id: 262

#Unit 1. Molecules and their Interaction Relevant to Biology

Changes in the topology and three-dimensional shape of B-DNA can result from

TLS Online TPP Program

#Question id: 263

#Unit 1. Molecules and their Interaction Relevant to Biology

Which does not apply to most bacterial DNA?