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kirill115 [55]
3 years ago
6

I need some help with some Qs

Biology
1 answer:
wel3 years ago
4 0
You have to put up your question so we can help you.
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How does the villis aid in absorption​
Ad libitum [116K]

Answer:

The villi in the small intestine provide a large surface area with an extensive network of blood capillaries. This makes the villi well adapted to absorb the products of digestion by diffusion and active transport.

Explanation:

4 0
3 years ago
Three organelles found in cells?
Katen [24]

Answer:

1.Plasma membrane

The plasma membrane surrounds the cell to create a barrier between the cytosol and the extracellular matrix. Plasma membranes also enclose lumens of some cellular organelles.

2.Endoplasmic reticulum

The endoplasmic reticulum (ER) is a large network of membranes responsible for the production of proteins, metabolism and transportation of lipids, and detoxification of poisons. There are two types of endoplasmic reticulum with separate functions: smooth endoplasmic reticulum and rough endoplasmic reticulum. The presence or absence of ribosomes in the ER’s plasma membrane determines whether it is classified as smooth or rough ER.

3.Golgi apparatus

The Golgi apparatus appears as a series of flattened, membranous sacs, or cisternae, that resemble a stack of pancakes just off the rough endoplasmic reticulum. It receives vesicles containing proteins recently produced by the rER. The Golgi apparatus can be compared to a warehouse or post office for newly formed proteins. Here the proteins are further modified, packaged, and sent off to their final destinations in the cell or body.

6 0
3 years ago
Read 2 more answers
1. which of the following list objects in space in order of increasing size.
ladessa [460]
Im pretty sure itwould be b
6 0
3 years ago
Read 2 more answers
Why are certain traits adaptations in one environment,but not in another?
olganol [36]
You already answered the question in the picture above
6 0
3 years ago
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A group of scientists designed a clinical study to investigate the effects of cholesterol deficiency in humans. For the duration
viva [34]

Answer:

c. none of the subjects to show signs and symptoms of a cholesterol deficiency during the entire study.

Explanation:

this is because the blood cholesterol is from two sources. Nearly 80% of the cholesterol the body needs  are made by the liver and intestine.certain small amounts are also produced in the adrenal glands and the reproductive organs.The remaining fragment amounts comes from the diets.

Therefore even if these subjects  were fed with diet without cholesterol, it will not have any significant effects on the body cholesterol composition. Therefore no symptoms of its deficiency will be observed.

Generally it biosynthesis is regulated by the amount of cholesterol present in the blood.

3 0
3 years ago
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