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castortr0y [4]
4 years ago
9

Paper burns by combining with oxygen. why doesnt paper burn every time it contacts oxygen

Biology
1 answer:
kozerog [31]4 years ago
4 0
When a fire is lit, it releases CO2 which will allow the combustion reaction to occur. When a fire is lit, energy is being emitted causing the paper to burn in contact with oxygen. The paper doesn't light up when in usual contact with oxygen because there's not energy fueling the reaction to occur.
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What determines which substrate an enzyme will act on?
alexdok [17]

Answer:

Enzyme Active Site and Substrate Specificity

Enzymes bind with chemical reactants called substrates. There may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. In some reactions, a single-reactant substrate is broken down into multiple products.

Explanation:

5 0
3 years ago
3. Using the photosynthesis formula, explain why plants and trees are good
Anettt [7]

Answer:

Photosynthesis is good for us and the environment because it rids the excess carbon dioxide and reuses it as energy while producing oxygen so we can breathe!

Explanation:

5 0
3 years ago
Which component of a DNA synthesis reaction determines the exact nucleotide sequence of the product?
Anettt [7]

Answer:

The complementary base pairing between incoming nucleotides and the DNA template

Explanation:

In a DNA synthesis reaction, the exact nucleotide sequence of the product is basically determined by both the DNA template from which a new strand is made and the incoming new nucleotides that makes up the new DNA strands. A complementary base Paris between these two gives the nucleotide sequence of the product.

4 0
3 years ago
The diagram below shows the chemical structure of a type of lipid molecule called a phospholipid.
SVEN [57.7K]

Answer No 1:

Phospholipids are made up of phosphorus head and two fatty acid molecules.  These phosphorus head and fatty acid tail is joined together by glycerol. Fatty acid molecules are made up of Carbon, hydrogen and oxyge. Hence,carbon and hydrogen can be said as two other elements present in phospholipids.

Answer No 2:

The building blocks of lipids are glycerol and fatty acids.

Lipids can be described as vital organic molecules which are not soluble in water. They are made up of chains of carbon, hydrogen and oxygen. Someof the examples of lipids are fats and oils. Lipids are the main molecules present in an organisms cell membrane and hence have huge biological importance.

Answer No 3:

Lipids are biologically important molecules as they play very vital roles in the functioning of an organisms body. Two of the functions of lipids are:

  • Lipids and phosphorus molecules combine to form phospholipids. The phospholipids are the main molecules out of which the cell membrane is made. Hence, lipids play an essential role in providing the cell membrane its structure.
  • Lipids store energy and provide insulation to the body of an organism.
6 0
4 years ago
Is hydrogen separating from oxygen part of cellular reparation
Y_Kistochka [10]
No I believe thats the other way around as in photosynthesis. For say water falls on the leaf then the leaf seperates the water from oxygen to give us the oxygen then it starts over to become a cycle.Life
3 0
3 years ago
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