A nucleotide consists of

Question: A nucleotide consists of
[A].

a sugar, a base and a phosphate

[B].

a sugar and a phosphate

[C].

paired bases

[D].

a sugar, a base and three phosphates

Answer: Option A

Explanation:

No answer description available for this question.

Coupling causes the peaks in 1H NMR spectra to be split into

Question: Coupling causes the peaks in 1H NMR spectra to be split into
[A].

two peaks

[B].

multiple peaks equal to the number of hydrogens on surrounding atoms

[C].

multiple peaks equal to the number of surrounding carbon atoms

[D].

multiple peaks equal to the number of hydrogen on surrounding atoms, plus one

Answer: Option D

Explanation:

No answer description available for this question.

Why is it important to use a deuterated solvent?

Question: Why is it important to use a deuterated solvent?
[A].

NMR uses least of this solvent

[B].

So the spectrometer can lock onto the sample to prevent the spectrum from drifting during aquisition

[C].

Expensive solvents work best with NMR

[D].

They dissolve polymer the fastest

Answer: Option B

Explanation:

No answer description available for this question.

All hydrogen atoms

Question: All hydrogen atoms
[A].

have the same resonance frequency

[B].

resonate at different frequencies depending on their environment.

[C].

are attached to carbon

[D].

resonate at about the same frequency as carbon

Answer: Option B

Explanation:

No answer description available for this question.

Manganese is needed for

Question: Manganese is needed for
[A].

normal bone structure

[B].

reproduction and functioning of central nervous system

[C].

both (a) and (b)

[D].

muscle strengthening

Answer: Option C

Explanation:

No answer description available for this question.