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Kay [80]
3 years ago
5

Making vegetable portions on your dinner plate twice the size of your meat portion would be a great strategy to

Biology
1 answer:
stepladder [879]3 years ago
7 0

Answer:

Great way in which to lose weight!

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A scientist observes that, when the pH of the environment surrounding an enzyme is changed, the rate the enzyme catalyzes a reac
vredina [299]

Answer:

A- A pH change can cause the enzyme to change its shape

Explanation:

A rise or fall in the pH of the medium from the optimum of pH 7 usually affect  the  enzymes' active sites  of  and therefore the  shape and  the  rate of enzyme activity.

Assuming  the pH is too low, the enzyme medium becomes acidic;Acidosis. The high Hydrogen ions concentration  interacts with the R-groups of the amino acids moiety of the enzymes, this interaction affects the ionization of the  R-groups, disrupting the ionic bonding holding these R-groups in shape.

This results in loss of the 3-Dimensional shape arrangements of the protein molecule  and therefore of the active sites. Since active sites of  enzymes  determines the specificity of the <u>enzymes substrate- complex </u> to give <u>enzyme-product complex,</u> the catalytic activity of the enzymes decreases, <u>the rate of  reaction decreases,and products formation stops, and the reaction also stops.</u>

The same is applicable to extremely high pH=Alkalosis.

However, the effective buffer system of the body prevents this scenarios from happening in real sense in the body. Through mopping by the  haemoglobin, excretion by the kidney, etc

7 0
3 years ago
What vibrates as an electromagnetic wave passes by?
Yuki888 [10]
an electrically charged particle is your answer :)
8 0
3 years ago
The cyanobacteria reproduce by simple cell division known as _____. fission fusion germination
WITCHER [35]

Answer:

fusion

Explanation:

gf

7 0
3 years ago
Which of the following is an example of kinetic energy
ArbitrLikvidat [17]
A.  Kinetic energy is the energy of motion.  B,C,D all describe situations where there is not movement.
8 0
3 years ago
Read 2 more answers
How dose science influence the decisions made about social, economic, and political issues?
inysia [295]
This is a rather subjective question and has a lot to do with the type of society in which one lives. the more secular the world is becoming... gives science a huge spotlight on the stage. because science provides an answer with tons of evidence to back it up, it is seen as a reliable method to follow. So, socially speaking you may have experienced in a normal conversation where someone turns around and tells you that your opinions are just opinions and have nothing factual to back them up. This is where science comes in. Economically and politically speaking, science is used to justify different political aims of governments. However, this is done mostly through the misrepresentation of science by people who are trying to pursue their own agenda. So really this question can be answered in many ways and from many different perspectives but do not forget that science influences all streams for the better but also for the worse in the way in which it is represented.

Hope that helped
7 0
3 years ago
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