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3 years ago

When living things use chemical reactions to break down food, some of the energy is transformed into

Biology

2 answers:

marissa [1.9K]3 years ago

8 0

Answer:

The correct answer is "heat".

Explanation:

The missing options of this question are:

A. sound.

B. waste.

C. heat.

D. light.

The correct answer is option C. "heat".

Organisms use catabolic reactions to break down food and obtain the energy they need to live, mainly in the form of adenosine triphosphate (ATP). However, not all the energy from the reactions can be used by the organisms, as some of the energy is lost in the form of heat. Actually, for this characteristic, catabolic reactions are also known as exothermic reactions in organisms.

Nesterboy [21]3 years ago

6 0

Calories for heat, exercise, etc

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Why are amino acids important?

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3 years ago

How did early cells get their food

Misha Larkins [42]

Answer:

Through photosynthesis, organisms could use sunlight to make food from carbon dioxide and water.

They provided food for themselves

Explanation:

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3 years ago

The table below shows the dimensions of two colored cubes.

Lelechka [254]

Answer: The correct answer is black because the product of its side and mass is lower.

Explanation: Density of a substance is defined as the mount of matter that can be stored in a given volume.

Mathematically,

$Density=\frac{Mass}{volume}$

As, density is inversely proportional to the volume of the substance.

The substance will be more denser if it has less volume and it will be less denser if the volume is more.

We are given two cubes having different sides.

Volume of the cube is calculated by using the formula:

$V=a^3$

where, a = side of the cube.

Black: The side of this cube is 2 and volume will be = $2^3=8cm^3$

Yellow: The side of this cube is 3 and volume will be = $3^3=27cm^3
$

As, the volume of black cube is less. So, this cube will be more denser.

Density of black cube: $\frac{48}{8}=6g/cm^3$

Density of Yellow Cube: $\frac{135}{27}=5g/cm^3$

Hence, black cube will be more denser because the product of its side and mass is lower.

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4 years ago

3. Which of the following are NOT types of microorganisms?

timofeeve [1]

Answer:

d. Earthworms

Explanation:

Think about it: have you ever actually seen a prion, virus, or bacterium? No, because they can't be seen with the naked eye. Microorganism means that it's too small (hence the prefix micro-) to see.

Prions are little misfolded proteins. Viruses are nonliving things made up of a protein and nucleic acid. Bacteria are little prokaryotic microorganisms.

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3 years ago