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LiRa [457]
3 years ago
7

Refer to the graph. the graph shows the progress of digestion as carbohydrates, fats, and proteins pass through the human digest

ive tract. the horizontal axis indicates the relative distance along the digestive tract, from the mouth to the anus. the vertical axis indicates the percentage of undigested food remaining as the food moves through the digestive tract. the percentages of undigested carbohydrate, fat, and protein are shown separately, but they are identified as 1, 2, or 3. knowing that saliva breaks starches into monosaccharides, some of which are absorbed in the mouth, which of the traces indicates the carbohydrate digestion?
there is not enough information to determine the answer.



1



3





2



question 3 (multiple choice)

most of the body's energy needs should be supplied by dietary _____________.



fats



vitamins



proteins



carbohydrates



question 4 (multiple choice)

all essential amino acids ___________________.



are found in every protein molecule



are made in our body in…
Chemistry
1 answer:
nika2105 [10]3 years ago
8 0
3 protein may be the answer
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6.285×10^3 mg = _____? _____ kg
TiliK225 [7]
One kilogram is equal to one thousand grams. Further, one gram is equal to 1000 mg. The conversion is as shown below,
                    (6.285 x 10³ mg) x (1 g / 1000 mg) x (1 kg / 1000 g)
The numerical value of the operation above is 0.006285 kg. 
6 0
3 years ago
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The nucleus of an element contains more protons then electrons.this is referred to a?
dedylja [7]

Answer:

ion

However atoms may gain or lose electrons in ordinary chemical reactions. If an atom has the same number of electrons as protons, it is a neutral atom. If it has a net charge, (more or less electrons than protons) it is an ion. If it has more electrons than protons it has a net negative charge and is known as an anion.

Explanation:

3 0
2 years ago
Acetylene gas (ethyne; HC = CH) burns in an oxyacetylene torch to produce carbon dioxide and water vapor. The heat of reaction f
Yanka [14]

The mass of CO2 produced by 26g of acetylene is 88g.

Given ,

In an oxyacetylene torch, acetylene gas (ethyne; HCCH) burns to produce carbon dioxide and water vapour.

The acetylene combustion reaction is given by,

H2O + HCCH + 5/2 O=O 2CO2

Heat of reaction for acetylene combustion = 1259kj/mol

CO2 has a molecular mass of 44g/mol.

2 moles of CO2 have a molecular mass of 88g.

On combustion, 1 mole of acetylene yields 2 moles of CO2.

Thus, 26g of acetylene produces 88g of CO2 when burned.

As a result, the mass of carbon dioxide produced by 26g of acetylene is 88g.

Learn more about acetylene here :

brainly.com/question/15346128

#SPJ4

6 0
1 year ago
When do you stop writing your electron configurations?
Mila [183]
When all the electrons are placed in their orbitals!!!
6 0
3 years ago
The rate of heat transfer by radiation is best described by which statement?
bogdanovich [222]

requires a medium to propagate

Explanation:

due to radiation z a dispersion of light ray into different multiple

7 0
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