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stiks02 [169]
3 years ago
6

True or False? Boiling a solution containing a protein will disrupt all secondary structure but not primary structure.

Chemistry
1 answer:
gtnhenbr [62]3 years ago
5 0

Answer:

False

Explanation: The structure of denatured protein does not change.The primary structure is the same as the secondary or tertiary, hence the non-polar groups are disrupted at high temperatures.

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Precipitation reactions always occur when two aqueous solutions are mixed (T/F)
Studentka2010 [4]

Answer: The given statement is false.

Explanation:

Precipitation reaction is defined as the chemical reaction in which two aqueous solution upon mixing together results in the formation of an insoluble solid.

For example, NaCl(aq) + AgNO_{3} \rightarrow NaNO_{3}(aq) + AgCl(s)

Here AgCl is present in solid state so, it is the precipitate.

But it is not necessarily true that two aqueous solutions will always result in the formation of a precipitate.

For example, NaCl(aq) + KNO_{3}(aq) \rightarrow KCl(aq) + NaNO_{3}(aq)

Hence, we can conclude that the statement precipitation reactions always occur when two aqueous solutions are mixed, is false.

7 0
3 years ago
Answer pls..... how????
Irina-Kira [14]

Answer:

E

C

B

D

A

Explanation:

The definition of words correspond well with the answers I provided and somewhat match with the dictionary definitions.

3 0
3 years ago
Which mineral might scratch the mineral fluorite, but would not scratch the mineral amphibole? 1 brucite 2. magnesite 3. carnall
NARA [144]

Answer:

olivine i think

Explanation:

4 0
2 years ago
Robert has pure samples of both D-ribose and D-arabinose, but he forgot to label them. He only has some nitric acid, the reagent
Sauron [17]

Answer:

Following are the responses to the given question:

Explanation:

Since HN03 is an oxidation substance D-ribose u.ith oxidized to form in rubric acid Ribose is chiral, but rubric acid is achiral because of its symmetry mirror level, Hence no infrared roster in the sample holder is observed.

Please find the attached file.

D-Arabinose, on either hand, gives optical aldaric acid with such a net optical rotation observed inside the polarimeter for diagnosis with HN03.

4 0
3 years ago
2.303 3-5.05x10-3<br> 1 | - 1<br> T2298
bekas [8.4K]

Answer:

230,294.9 I think it's fine just try your past or ask teacher help

6 0
2 years ago
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