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eimsori [14]
3 years ago
14

Help! Will give brainlist

Biology
1 answer:
irinina [24]3 years ago
6 0
Answer: B

Explanation: So air, like most other substances, expands when heated and contracts when cooled. Radiation cooling occurs when air near the ground is cooled by the Earth's surface losing heat by radiation.
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Myoglobin transfers oxygen obtained from hemoglobin to mitochondrial proteins involved in the catabolism of metabolic fuels to p
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Answer:

Explanation:

Mitochondria is a double membrane bound organelle that is located in most eukaryotic organisms and it has a number of different shapes.

A mitochondrion has a outer and inner membranes made up of phospholipid bilayers and proteins which have different properties. Because of the double membraned organization, mitochondria have five distinct parts:

Outer mitochondrial membrane

Intermembrane space which is the space between the outer and inner membranes

Inner mitochondrial membrane,

the cristae space which is formed by the folding in of the inner membrane and

matrix which is the space within the inner membrane.

Mitochondria has a complex structure that allows for all the activities carried out by it this includes,Energy conversion, Pyruvate and the citric acid cycle, NADH and FADH2 which are the electron transport chain, Heat production and Storage of calcium.

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2 years ago
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astraxan [27]
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List 5 different carrer pathways someone who studies Plant Science/ Horticulture might take. WILL MARK BRAINLIEST​
OlgaM077 [116]

Answer:other dude is correct gimme brainlest

Explanation:

4 0
2 years ago
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How do enzymes influence the amount of activation energy needed?
ser-zykov [4K]

What your cells have to help overcome a problem of high activation energy are called enzymes. Enzymes are proteins that lower the activation energy of a reaction. In doing this, enzymes increase the rate of a reaction, helping it to occur faster. However, enzymes are not consumed in a reaction; they simply help it to occur.

Enzymes make things easier for your cells to work properly and help chemical reactions occur. There are hundreds of different kinds of enzymes in your cells, which all participate in different types of reactions. Enzymes can break molecules apart, build or add molecules, and even rearrange them.

In lowering the activation energy of a reaction, enzymes decrease the barrier to starting a reaction. It's important to note, however, that the change in energy remains the same between the start and end of a chemical reaction.

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dybincka [34]

Answer:

1 = A

2 = B

3 =  B

Explanation:

1) Black holes occur when really big stars collapse on themselves. And, in order to get big, the star has to be an old one.

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3) Scientist can't truly know for sure, but they can infer about them due to the effects of the surrounding areas.

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