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kvasek [131]
4 years ago
8

Derek needs a tool that delivers 25.00 mL of a sodium hydroxide solution. Which tool would be best for him to use?

Biology
2 answers:
maksim [4K]4 years ago
8 0
There are no choices you give but a graduated <span>cylinder would be useful in measuring that</span>
kipiarov [429]4 years ago
6 0
The answer would be d
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Two atoms are different isotopes of the same element. Therefore, these two atoms have differing numbers of___.
Yuliya22 [10]
D. Electrons because isotopes deal with electrons.
6 0
3 years ago
The rate of a reaction catalyzed by an enzymes usually ________ with temperature; however, at temperatures above the optimum ran
oksano4ka [1.4K]

Answer:

increases; protein denaturation occurs

Explanation:

One of the characteristic of enzymes is the sensitivity to temperature .

Enzymes are sensitive to the changes in the environmental temperature.The enzymatic activities increases with increase in temperature,up to the optimum of 37 degrees in most animals.

However,once the optimum temperature has been exceeded,enzyme activities drops.This is because below optimum the rate of collision between the enzyme active sites and substrate molecules is very high,therefore more products are formed which increases the rate of reactions.

At temperature above the optimum,the high temperature  breaks the bonds,especially the hydrogen bonds holding the 3D structure of the active sites.Therefore,substrate molecules can not fit into the active site,and therefore enzymatic actives of the enzyme is affected,and the enzyme is said to be  denatured

4 0
4 years ago
( The stem is the part of a plant that supports other structures such as flowers, fruits, and leaves. Which of the following is
Ostrovityanka [42]

Explanation:

Maybe.. to provide nutrients of Soil and Water...

3 0
3 years ago
Which classes are included in the group Tetraapoda
lakkis [162]

Amphibia,

Reptilia, Aves, and Mammalia are included in the group Tetrapoda. The

correct answer between all the choices given is the second choice. I am hoping

that this answer has satisfied your query and it will be able to help you in

your endeavor, and if you would like, feel free to ask another question.

HOPE THIS HELPED!!! XD

4 0
3 years ago
Need help 19 please
Crank

Answer:

3

Explanation:

red

white and roan colors so I think it's 3

4 0
3 years ago
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