The group of molecules called nucleotides contain:

1 answer:

8 0

The group of molecules called nucleotides contain phosphate groups, pyrimidines, purines, and pentose (a 5-carbon sugar). Therefore, E. all of the above is the correct answer.

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I know the correct answer is either a or d. Can anyone explain which one it is and why? CH3C ≡ CCH2CH2Cl is named: a. 1-chloro-3

lara31 [8.8K]

Answer:

Explanation:

CH₃C≡ CCH₂CH₂Cl

Since there are 5 carbons so the suffix used is "pent"

There is a triple bond so its alkyne

So the compound becomes 2-pentyne (2 because the triple bond is with the 2nd carbon)

Then,

The functional group of chlorine is attached with 5th carbon So the compound becomes

5-chloro,2-pentyne

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3 years ago

Can someone plz help me on question 3 I really need help plz

zavuch27 [327]

1. Describe

Frequency (f) and wavelength (λ) are inversely related.

f ∝ 1/λ

As one goes up, the other goes down and vice versa.

2. Infer

The frequency of infrared light is less than that of red light, so infra could mean something like less than or below or beneath.

Ultrahigh frequencies are extremely high compared with those of visible light. Ultrasound has frequencies that are far beyond what we can hear. An ultracentrifuge goes at extremely high speed, and an ultramicroscope can “see” tiny structures. Ultra could probably mean something like extremely or far beyond.

3. Analyze

Energy is directly proportional to frequency (E ∝ f).

Frequency is inversely proportional to wavelength (f ∝ 1/λ).

Energy is inversely proportional to wavelength (E ∝ 1/λ).

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4 years ago

How many Faradays of electricity are carried by 1.505×10^23 electronsk

aksik [14]

Mole of electron required by $1.505 *10^{23}$ mole is $2.5* 10 ^{-1}$

Faraday law expressed how the change that is been being produced by a current at an electrode-electrolyte interface is related and proportional to the quantity of electricity that is been used.