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Feliz [49]
3 years ago
7

How much of our current energy comes from fossil fuels

Biology
1 answer:
Phoenix [80]3 years ago
6 0
Between 2013 and 2040, the resourceful gas company has in creed so it would be that it's up to 80% at the most
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Match these objects with their best description.
Y_Kistochka [10]

Answer:

Jupiter - Giant red spot

Mars - Most habitable other than earth

Mercury - Smallest terrestrial planet

Pluto - Is a Kupiter belt object

Saturn - Most visible rings

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3 years ago
Why have scientists developed vaccines?
GuDViN [60]

Answer:

to treat illnesses (number 3)

Explanation:

:3

7 0
3 years ago
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What is responsible for the apparent movement of the Sun across the sky throughout the day?
MaRussiya [10]
The Sun never moves, but the Earth rotates around it’s axis, making it look like the sun is moving, but it is really the Earth.
4 0
3 years ago
What kind of biomolecule are enzymes typically composed of? What effect do enzymes have on their substrates and the overall reac
ivann1987 [24]

Enzymes are typically composed of amino acids.

Enzymes specifically binds to their substrate, and accelerate the biological or in-vitro reactions.

Four real-life examples of enzymes are: Lipase, Maltase, DNA ploymerase and Alcohol dehydrogenase.

Explanation:

All enzymes are proteins. They are composed of amino acids as monomer units linked by polypeptide bonds.

The substrate is a molecule which has specific enzyme binding sites for the highly specific enzyme called as active sites. With this binding, the  enzyme-substrate complex is formed, undergoes the chemical reaction and new product is formed. Enzymes accelerate the biological reactions by lowering the reaction's activation energy.

Four-real life examples of enzymes are:

Lipase enzyme: catalyses the hydrolysis of fats and triglycerides in the small intestine. Lipase enzyme is secreted by pancreas.

Maltase enzyme: catalyses the breakdown of maltose sugar. It is secreted by salivary glands and our mouths.

DNA Polymerase Enzyme: It catalyses the DNA replication in the cells. It is secreted by the nucleus

Alcohol dehydrogenase: It catalyses many reactions in the body as the reduction of NAD to NADH. It is secreted by the liver.

7 0
3 years ago
How do chloroplasts get energy from sunlight?
OLga [1]

When the energy from the Sun hits a chloroplast and the chlorophyll molecules, light energy is converted into the chemical energy. Plants use water, carbon dioxide, and sunlight to produce the free energy stored in ATP and NADPH through a process called photosynthesis.

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