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algol [13]
3 years ago
8

The variations in the physical characteristics between different proteins are influenced by the overall amino acid compositions,

but even more important is the unique amino acid ______.
Chemistry
1 answer:
pishuonlain [190]3 years ago
3 0

Answer:

Sequence

Explanation:

Physical properties of the proteins are foundation of biological function of them.

A protein molecule is made up from the long chain of the amino acids. Each amino acid is linked to its neighbor by covalent peptide bond. Thus, proteins are also called as polypeptides.

Each protein has unique sequence of the amino acids, exactly same from one molecule to next. Different proteins has its own particular sequence of amino acid. This sequence is responsible for folding and binding of the protein and also its physical characteristics.

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The mass of a mouse is around 22 grams (0.022 kg). What is the weight of a mouse on the Moon?
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You react 2.33 g of iron (III) chloride with 50.0 mL of 0.500 M solution of sodium phosphate to
nikklg [1K]

Answer:

2.33g of iron (iii) chloride

50.0 mL of 5.00 M of sodium phosphate

FeCl3 + Na3PO4 > Fe(PO4) + 3NaCl

mol = conc × vol = 0.5 × 50/1000 = 0.025 mol Na3PO4

from the equation:

1 mol of Na3PO4 reacts with 1 mol FeCl3 = 3 mol of NaCl

0.025 mol = x

x = 0.0025 × 3 = 0.075 mol NaCl

mass = 0.075 g × 59 g/mol = 4.425 g NaCl

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3 0
3 years ago
How many grams of hydrogen are needed to produce 1.80g of water according to this equation?
Nastasia [14]

Answer:

0.2g of hydrogen is needed to produce 1.80g of water

Explanation:

$H_{2}+O_{2} \to 2H_{2}O$

No. of moles of water$= \frac{Weight}{Molecular \, weight}$ \\

From given values,

Weight of water $=1.80g$

Molecular weight of water $=18g$

$\therefore$ No. of moles of water$=\frac{1.80}{18}=0.1 $

From equation, it is clear that 2 moles of water can be formed by 2 moles of $H_{2}$

Hence, 0.1 mole of water can be formed from 0.1 mole of $H_{2}$

Now,

No. of moles of $H_{2} = \frac{Weight}{Molecular \, weight}$

$\Rightarrow weight \,of\, H_{2}=No.\,of\,moles \times Molecular\,weight$\\ $=0.1 \times 2=0.2g$

8 0
3 years ago
Los hidrocarburos son compuestos organicos en cuyas moléculas contienen ....?
Misha Larkins [42]

Hydrogen and carbon atoms

Explanation:

Hydrocarbons are molecules that are made up of hydrogen and carbon atoms only.

They are made up of covalent bonds between the carbon and hydrogen atoms.

There is a wide range of hydrocarbons due to the unique properties of carbon.

Most of the hydrocarbons comes from crude oil, natural gas and coal.

When hydrocarbons burn, they produce water and carbon dioxide alone.

They are used as fuel in industrial processes because they produce heat energy.

learn more:

Hydrocarbons brainly.com/question/6126420

#learnwithBrainly

3 0
4 years ago
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