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aev [14]
3 years ago
5

Anabolic reactions _______ bonds, whereas catabolic reactions __________ bonds. A. decrease; increase. B. break; make C. weaken;

strengthen D. loosen; tighten. E. make; break
Chemistry
1 answer:
nexus9112 [7]3 years ago
6 0

Answer:

The corrext answer is E. make; break

Explanation:

In living organisms, the metabolism is either anabolic or catabolic where anabolic metabolism is energy consuming and catabolic metabolism is eneegy releasesing. It should however be noted that anabolic reaction builds or biosynthesize new mollecular structures while catabolic reaction breaks down complex structure bonds into simple structures

The braking down of bonds in catabolic reations realeses energy to sustain the anabolic rection process for the formation of new bonds

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Which pair of elements would most likely combine to form a salt?
jekas [21]

Answer:

Na Cl ?

Explanation:

None of them but Sodium and Chlorine does make salt i think thats what you meant.

8 0
3 years ago
The pKa values for the carboxy and ammonium protons of phenylalanine are 2.58 and 9.24, respectively. What is the isoelectric po
Arte-miy333 [17]

Answer:The isoelctric point of phenylalanine is 5.91. Kindly refer the attachment for structure.

Explanation:

Isoeectronic point is the pH at which the amino acid do not migrate in presence of an electric field.Hence at isoelectric point the molecule exists as a neutral molecule.

So for a molecule to not migrate in electric field it must be neutral. At isoelectric point the net charge on the amino acid molecule is zero.

The amino acid at isoelectric point exists as a zwitter ion which has a equal positive and equal negative charge making the net charge of the amino acid to be zero.

since the amino acid molecule has two kinds of functional group present which are an amine group and a carboxylic acid group.

So to calculate the isoelectric point we must know the pKa of these functional groups.

The formula for calculating the isoelectic point (pI) is :

pI=[pKa1+pKa2]\times 1/2

pI=Isoelectric point

pKa1=pKa of carboxy group

pKa2=pKa of amine group

we have the pKa1 and pKa2 given in the question so putting these values in above formula we can calculate the isoelectric point.

pKa1=2.58

pKa2=9.24

pI=1/2×[pKa1+pKa2]

pI=1/2×[2.58+9.24]

pI=5.91

The isoelectric point is 5.91 hence at a pH of 5.91 phenylalanine would exist as a zwitterion and would not migrate in presence of a electric field.

7 0
3 years ago
What is the result when earth layers experience extension stress? Question 2 options:
Vika [28.1K]

Answer:

stretching and thinning of the Earth's crust occurs.

Explanation:

The result of the extension stress on Earth layers is the stretching and thinning of the Earth's crust occurs.

When there is a stress on the Earth's layers, the Earth's crust experiences the phenomena of stretching and thinning.

4 0
3 years ago
(I NEED THIS ANSWERED QUICKLY! I WILL GIVE BRAINLIEST AND EXTRA-EXTRA POINTS TO THE FIRST PERSON WHO ANSWERS THIS CORRECTLY!)
Damm [24]

Answer:

A - adding a catalyst to the reactants

Explanation:

A catalyst is used to literally mix chemicals and cause the reaction to happen sooner.

5 0
3 years ago
Read 2 more answers
The word "atom" means:
frutty [35]

Answer:

a) the smallest imaginable thing

Explanation:

5 0
3 years ago
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