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Katarina [22]
3 years ago
6

Do mutations occur in DNA and RNA?

Chemistry
2 answers:
Ede4ka [16]3 years ago
6 0
Mutations are changes that occur in DNA or RNA. Mutations can be silent, meaning they have no effect on the protein made, due to redundancy in the genetic code. ... Mutations in RNA, however, are only temporary because RNA is quickly degraded after it is used by the cell.
OverLord2011 [107]3 years ago
4 0

Answer:

mutations occur in DNA lol.

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HELPPPPP ME ASAP PLISSSSS​
Airida [17]

Answer:

25 cm3 of 0.15 mol dm-3 hydrogen peroxide

Explanation:

Not 100% with this one was a bit tricky.

4 0
3 years ago
How does the maximum water level for spring tides compare with the maximum water level for neap tides?
Ilia_Sergeevich [38]

Answer:

Spring tides have higher high tides and lower low tides whereas neap tides have lower high tides and higher low tides. Hence, the range is much larger in a spring tide than in a low tide.

Explanation:

(difference in water level between high and low tide)

6 0
3 years ago
Which two physical properties allow a mixture to be separated by chromatography
Slav-nsk [51]

Answer:


                 Option-1 (Solubility and Molecular polarity) is the correct answer.


Explanation:


                        Thin Layer Chromatography is employed to separate a mixture of non volatile compounds. In this technique an adsorbent material like silica gel is coated on a plastic, glass or aluminium sheet. Then the mixture of compounds is applied at the bottom of sheet and the sheet is placed in the container containing a solvent system. It is observed that the solvent starts travelling upward through capillary action.


While the solvent is running the mixture of compounds starts separating from each other. This separation is due to following physical properties.


1) Solubility of Mixture in Solvent:

                                                          In a mixture those compounds which has more solubility in solvent will travel more and will give greater Rf value and the less soluble will left behind with smaller Rf value. Hence due to solubility a mixture of compounds can be separated.


2) Polarity of Molecules:

                                          As the stationary phase (adsorbent material) is polar in nature, so in mixture those compounds which are less polar will less interact with the stationary phase and will travel more with greater Rf value, while, more polar molecules will form stronger interactions with the stationary phase, hence will travel less and therefore, will show smaller Rf values.


6 0
3 years ago
Gallium (atomic number 31) is in group 13 (IIIA). In addition to the s type electrons, it will have how many electrons in the 4p
qwelly [4]

Answer:

One electron is present in 4p energy sublevel.

Explanation:

Gallium element has symbol Ga with atomic number 31.

It is placed in group 13 and fourth period in the modern periodic table.

The electronic configuration of the element, gallium is -  

1s^22s^22p^63s^23p^63d^{10}4s^24p^1

As seen, from the configuration,

<u>One electron is present in 4p energy sublevel.</u>

3 0
3 years ago
How an air mattress supports the weight of a person lying on it
kari74 [83]
<span>The pressure on the inside of the mattress from air particles matches the force applied from the body.</span>
4 0
3 years ago
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