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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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The atomic number of carbon is 6. its nucleus must contain:
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Must contain: 6 protons, 6 electrons and 12 neutrons.
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During which step of meiosis do the homologous chromosomes line up in the middle of the cell?
777dan777 [17]

Answer:

It is D

metaphase 1

Explanation:

in metaphase chromosome line up in the middle.

3 0
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You have an aqueous solution of chromium(III) nitrate that you titrate with an aqueous solution of sodium hydroxide. After a cer
barxatty [35]

Answer:

The precipitate was chromium hydroxide, which then reacted with more hydroxide to produce a soluble complex, Cr(OH)4

Explanation:

The following reaction takes place when chromium(III) nitrate reacts with NaOH:

Cr(NO)_{3} +3 NaOH → Cr(OH)_{3} (s)+ NaNO_{3}

The precipitate that is formed is chromium hydroxide, Cr(OH)_{3}

When more NaOH is added, the precipitate reacts with it which then results in the formation of a soluble complex ion:

Cr(OH)_{3}(s) + OH^{-}(aq) → Cr(OH)_{4} ^{-}(aq)

Cr(OH)_{4} ^{-} is soluble complex ion

7 0
3 years ago
What is the total number of strontium and phosphate ions you have added to your solution after two or three shakes? why are ther
Brrunno [24]

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4 0
3 years ago
The possible products of a double displacement reaction in aqueous solution are SrSO4 and NaCl. Which of these possible products
madam [21]

Answer:

SrSO4

Explanation:

According to solubility rules, we know that the sulphates of the elements of group two are insoluble in water. The solubility rules describe what chemical species are soluble in water and what species are not soluble in water.

Generally, all chlorides are soluble in water with exception of chlorides such as silver chloride. The chlorides of group one elements are usually highly soluble in water.

Since SrSO4 is a sulphate of a group two element (strontium) it will be the insoluble solid product of the double displacement reaction described in the question.

7 0
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