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Helen [10]
3 years ago
14

Which of the following statements is true of enzymes A. They're unusable after a reaction B. They don't provide an active site f

or substrates to bind in a reaction C. They change shape after a reaction D. They act on a specific type of substrate in a reaction
Chemistry
2 answers:
dolphi86 [110]3 years ago
5 0

Answer:

D. They act on a specific type of substrate in a reaction

Explanation:

Enzymes are substrate specific. That is to say they will take part in a reaction that has one specific type of substrate and no other. Lactase for example is an enzyme that is normally found in the small intestines. It is useful in the hydrolysis of lactose, a sugar found in milk. Lactase only participates in this reaction only. It will not hydrolyse other sugars or substrates that are not lactose.

Mnenie [13.5K]3 years ago
3 0
D. They act on a specific type of substrate in a reaction

Hope this helps!
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How many gases are there that are not noble gases
natulia [17]

Answer:

Noble gas, any of the seven chemical elements that make up Group 18 (VIIIa) of the periodic table. The elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og).

Explanation:

I pretty much covered it in my answer!

Pls Brainliest! It would mean a lot! ;)

8 0
3 years ago
Which explains how burning a magnesium ribbon highlights a toolmark?
Setler [38]
<h2>Answer:</h2>

The magnesium ribbon, <u>D. It forms a material to cast the tool mark</u>.

<h2>Explanation:</h2>

When a magnesium ribbon is burnt in the presence of oxygen it gives out strong light and heat is produced. Apart from it, it leads to the production of substance called as magnesium oxide which is formed as the product due to the reaction of magnesium with the oxygen present in the air.

Tool marks are the mark which is created by tools while using them. In order to identify or locate them castes made up of magnesium oxide is utilized. When this is pasted on the suspected area, the tool mark of the suspected tool gets pasted on it.

6 0
3 years ago
When a compound such as X2Z4 is created, what would be the<br> correct simplified chemical formula?
Shtirlitz [24]

Answer:

XZ2

Explanation:

There are different ways in which compounds can be represented. Broadly, we have three different types of formula;

- Structural formular: This shows how th atoms in te compound are connected to each other.

- Molecular formular: This shows the actual number of atoms of element present in the compound

- Empirical Formular: This is the simplest formular of a compound. It basically shows the number of atoms in simple ration to each other.

This question requires us to input the empirical formular;

X2Z4

The ratio of the elements is; 2 : 4 which can be simplified into 1 : 2

This means the empirical formular is XZ2

6 0
3 years ago
FORENSIC SCIENCE HELP
Annette [7]
That is correct c
Explanation
7 0
2 years ago
How does one recognize a redox reaction?
nika2105 [10]

Answer:

A.

Explanation:

A redox reaction is a reaction when oxidation states (or numbers) change during reaction.

3 0
3 years ago
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