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Vladimir79 [104]
2 years ago
7

Explain how cells can only come from pre-existing cells. How does that work ?

Chemistry
1 answer:
AysviL [449]2 years ago
4 0

Answer:

Cells can only be formed by division of pre-existing cells. [Students should be aware that the 64 codons in the genetic code have the same meanings in nearly all organisms, but that there are some minor variations that are likely to have accrued since the common origin of life on Earth

Explanation:

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An unknown compound has a percent composition of 52.10% potassium, 15.8% carbon, and 32.1% oxygen. The molar mass of the compoun
lianna [129]
To determine the empirical formula and the molecular formula of the compound, we assume a basis of the compound of 100 g. We do as follows:

       Mass              Moles                     
K    52.10     52.10/39.10 = 1.33         1.33/1.32 ≈ 1
C    15.8       15.8/12         = 1.32         1.32/1.32 ≈ 1
O     32.1      32.1 / 16       =  2.01        2.01/1.32 ≈ 1.5

The empirical formula would most likely be KCO.
The molecular formula would be K2C2O3.
4 0
3 years ago
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Um.. i dont need help lol
Tasya [4]

Answer:

thats cool mate

Explanation:

hope ya have a good day, im answering just for the points tbh

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3 years ago
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A single atom of an element has 21 nutrons 20 electtons and 20 protons which element is it
guajiro [1.7K]

your element would be calcium


7 0
3 years ago
Acids are used to make...<br> 1. mortar and cement<br> 2. baking soda<br> 3. car batteries
mr Goodwill [35]
That is correct! Great Job High School!
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After a polypeptide chain has been synthesized, certain amino acids in the peptide may become modified. For each modified amino
AnnZ [28]

Answer:

The modification that yields the first amino acid depicted is lysine

Explanation:

Lysine being an amino acid used in preparation of various medicine. It is used to prevent cold as well as sore throat, which is found to be caused by the herpes simplex labialis. It can be used orally or can be directly applied over the skin. various foods have lysine in it and they are meat, cheese, certain fishes, eggs, soybeans, spirulina and also fenugreek seed. They are the building block for the protein particles.

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