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GarryVolchara [31]
3 years ago
5

What are the three sections of the small intestine and what role does each section play in digestion or absorption?

Biology
2 answers:
leva [86]3 years ago
8 0

Answer:

The three sections of the small intestine are the duodenum,

Explanation:

The duodenum

It receives chyme from the stomachs

Its intestinal cells enzymes such as secrete amylase, sucrase, and lipase enzymes that break down fats and sugars.

The jejunum

It is covered in villi and microvilli giving the name THE PRINCIPAL SITE of digestion.

the ileum.

Aid absorption e.g. amino acids, lipids, fat-soluble vitamins, and vitamin B12.

Mekhanik [1.2K]3 years ago
8 0

Answer:

The three sections of the small intestine are the duodenum, jejunum and the ileum

Explanation:

Duodenum: The beginning and the shortest part of the small intestine where iron is absorbed. Duodenum is shaped like a letter "C.

Food passes from the stomach to duodenum through a muscle called the pyloric sphincter.

Jejunum: The middle part of the small intestine where sugars, amino acids, and fatty acids are absorbed.

Ileum: The last part of the small intestine where vitamin B12, bile acids, and other nutrients are absorbed

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Researchers want to study behaviors in lions. They
Romashka-Z-Leto [24]

The limitation in the behavior of lions is that the lions living in a group called a pride , in which lions have strong bond and do not accept a stranger.

<h3>What is pride and how lions behave in social lion group?</h3>
  1. A study showed that most of the lions living and sharing same geographical area have friendly behavior.
  2. Pride is a group of lions in which lions interact with each other and share a close bond and do not accept a stranger.
  3. A pride comprises of total thirty lions at max , above which pride is not a group .
  4. Behavior like liking , meowing is amongst the friendly behavior lion shows towards other lion.
  5. The female lions defends the cub , comparatively to the father of the cub.

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6 0
1 year ago
You assay cell surface oligosaccharides from a blood sample. After determining the composition of the oligosaccharides relative
RSB [31]

Answer:

Here the fucose is linked to galactose by alpha1,2 glycosidic linkage.

Explanation:

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   Fucose does not contain -OH group at C6 carbon that"s why it is termed as deoxy sugar.

     Fucose can link to both Nactylglucosame by alpha-1,6 glycosidic linkage and to galactose by alpha-1, glycosidic linkage  generates the H antigen.

   As donor is blood type B that means fucose is linked to galactoseof H antigen by alpha 1,2glycisidic linkage.

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3 years ago
Does anyone know how to graph this? Please help I’m desperate
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Answer:Hopefully you feel comfortable with what a number line is. A graph is two number lines (called the x axis and the y axis) which cross each other at zero. A linear equation is a relationship between the two number lines. So if I gave you the linear equation “y=x”, this means if you pick a number on the x axis, the equation tells you what the number is on the y axis. So if you picked x=10, then you would know y=10. You can then draw a point at the co-ordinate (10,10), the point is there to tell you that the equation is true at that point. You can then pick another x, say x=9, then you know y=9 and you can put a point at (9,9), so you know the equation is true at that point also. You can do this with any number that you pick for x, and if you did that for every number, all the points you draw would turn into a line.

Explanation:

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3 years ago
Addition of a nucleotide onto a dna strand is an endergonic reaction. what provides the energy to drive the reaction?
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The release of pyrophosphate from the incoming nucleotide, and then hydrolysis of the pyrophosphate to inorganic phosphate provides energy for the addition of nucleotide onto a DNA strand.

Nucleotides are linked together by a condensation event that yields a tiny, stable molecule. But the released molecule is pyrophosphate, not water. A good amount of free energy is released when water is added to pyrophosphate.

The high-energy link between the ejected beta and gamma phosphates stores the energy for each incoming nucleotide's addition. The subsequent hydrolysis that occurs drives the process. A substantially greater quantity of energy is released when two phosphates are separated into individual phosphates.

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