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2 years ago

By what process does food move from the small intestines to the bloodstream so it can be circulated to the rest of the body

1 answer:

7 0

I believe you're looking for the process of absorption.

In absorption, digested, simple and soluble food molecules is absorbed into the body through the wall of small intestine. They move by methods of diffusion and active transport.

Villi in the intestinal wall also helps the absorption process. Villi can provide a large surface area so that more food can be absorbed at the same time. Also, the network of blood capillaries can help maintain a steep concentration gradient so that food molecules can be absorbed faster.

Absorption process is the process after digestion. Followed by it, assimilation can help the food become part of the cells and get used.

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The protein, lipid, and carbohydrate compositions of the cytoplasmic and extracellular sides of membranes are different from one

netineya [11]

Answer:

The protein, lipid, and carbohydrate compositions of the cytoplasmic and extracellular sides of membranes are different from one another , this happens because the two sides of a cell membrane face different environments and carry out different functions.

Explanation:

PROTEINS , LIPID AND CARBOHYDRATES , all are the components of the plasma membrane , located at different sites .

PROTEINS -: The main component of plasma membranes is proteins. Two key categories of membrane proteins are available: integral and peripheral. As their name implies, integral membrane proteins are incorporated into the membrane: they have at least one hydrophobic region that anchors them to the phospholipid bilayer's hydrophobic center. Others just stick partway through the membrane, while others extend from one side of the membrane to the other and on either side are exposed.

On the outside and inside surfaces of membranes, peripheral membrane proteins are found which are bound either to integral proteins or to phospholipids. Peripheral membrane proteins do not stick into the hydrophobic center of the membrane as opposed to integral membrane proteins, and appear to be more loosely bound.

LIPID -: Phospholipids, arranged in a bilayer, make up the plasma membrane 's essential cloth. Since they are amphipathic, they are well-suited for this function, meaning they have both hydrophilic and hydrophobic regions.

The hydrophilic or "water-loving" component of a phospholipid is its head, which includes a phosphate group that is negatively charged, as well as an additional small group that can also be charged or polar.

Its long, nonpolar fatty acid tails make up the hydrophobic, or "water-fearing," portion of a phospholipid. The tails of fatty acids can interact easily with other non-polar molecules, but interact poorly with water.

CARBOHYDRATES -: The main component of plasma membranes is carbohydrates. In general, they are located on the outer surface of the cells and are either bound to proteins (glycoproteins forming) or to lipids (glycolipids forming). These chains of carbohydrates can consist of 2-60 units of monosaccharide and can either be straight or branched.

Hence , the correct option is B.

6 0

3 years ago

Spection has defenetly occured when two groups of related organisms

Leno4ka [110]

Answer:

mate

Explanation:

3 0

3 years ago

What is the most important factor that determines the rate of diffusion in biological systems?

miv72 [106K]

The factors that determines the rate of diffusion in the biological system include: temperature, size of the particles, diffusion distance and concentration gradients. Of all these factors, the most important one is the TEMPERATURE.
The relationship between temperature and the rate of diffusion is a direct one, that is, the higher the temperature the higher the rate of diffusion and vice versa. At high temperature the molecules in the particles move faster because they have higher amount of energy.

3 0

3 years ago

What are the levels of organization for living things

astraxan [27]

Organelle,
Cells,
Tissues,
Organs,
Organ System,
Organisms,
Populations,
Communities,
Ecosystems,
And Biosphere

4 0

3 years ago

Help biologiy!!!!! first answer brainliest

marusya05 [52]

Answer:

1. - B

2. - A

3. - C

Explanation:

1. Body proteins amino acids.

2. Complex body carbs glucose.

3. Fat stores fatty acids and glycerol.

Hope it helps!<3

6 0

2 years ago

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