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Ronch [10]
3 years ago
15

A substance that speeds up the rate of chemical reactions is called

Biology
2 answers:
Whitepunk [10]3 years ago
3 0

Answer:

a

Explanation:

True [87]3 years ago
3 0

Answer:

It is a catalyst.

Explanation:

A catalyst provides an alternative route for the reaction with a lower activation energy. Some catalysts in chemistry are platinum, nickel, and manganese oxide.

don´t forget to brainllest:)

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In liver cells, the inner mitochondrial membranes are about five times the area of the outer mitochondrial membranes. What purpo
m_a_m_a [10]

Answer:

Option (C).

Explanation:

Oxidative phosphorylation may be defined as the process of the production of ATP molecule by the use of enzyme and transfer of electrons from one complex to the other complex.

The liver cells has five times large surface area of inner mitochondrial membrane than the outer membrane. This increases the surface area of the inner mitochondrial membrane that increase the rate of the oxidative phosphorylation. The complexes of the electron transport chain is located in the inner mitochondrial membrane.

Thus, the correct answer is option (C).

6 0
3 years ago
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What is the role of decomposers in the nitrogen cycle?
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Decomposers are essential in breaking down organic matter into useful ones. For the nitrogen cycle, they break down bodies of dead organisms turning it into ammonia. Also, some bacteria break down nitrates turning into nitrogen which goes back to air.
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3 years ago
Which of the following terms is used to describe how part or parts of an organism work?
il63 [147K]

Answer:

<u>B</u>. Physiology

Explanation:

The way in which a living organism or bodily part functions.

The branch of biology that deals with the normal functions of living organisms and their parts.

8 0
3 years ago
What are the atomic masses of<br> protons, neutrons, and electrons?
pshichka [43]

Answer:

Protons, neutrons, and electrons: Both protons and neutrons have a mass of 1 amu and are found in the nucleus. However, protons have a charge of +1, and neutrons are uncharged. Electrons have a mass of approximately 0 amu, orbit the nucleus, and have a charge of -1.

Explanation:

5 0
4 years ago
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Are those right guys?
otez555 [7]
14,7,8 is incorrect
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3 years ago
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