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icang [17]
3 years ago
5

What is the xylem? And what is the function of the xylem for grade 8's? (Please make it simplified)

Biology
1 answer:
ivolga24 [154]3 years ago
8 0
The main function of xylem is to transport water, and some soluble nutrients including minerals and inorganic ions, upwards from the roots to the rest of the plant. Xylem cells form long tubes that transport materials, and the mixture of water and nutrients that flows through the xylem cells is called xylem sap.
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Due to the constant random motion of its atoms and molecules, a substance will exhibit net movement from a region where it has a
LenaWriter [7]

Answer: The net movement is called diffusion.

Explanation:

Diffusion is the net movement of substance from region of higher concentration to a region of lower concentration.

The movement is due to constant and random motion characteristics of atoms ,ions and molecules due to kinetic energy. It continues until the concentration of substance is uniform.

4 0
4 years ago
Match each molecule with the group of carbohydrates it belongs to
beks73 [17]

Answer:

If you are referring to the image below, the answers would be:

Monosaccharides:

  • Galactose
  • Glucose
  • Ribose
  • Deoxyribose
  • Glyceraldehyde
  • Fructose

Disaccharides:

  • Maltose
  • Sucrose
  • Lactose

Storage Polysaccharides:

  • Starch
  • Glycogen

Structural Polysaccharides:

  • Chitin
  • Cellulose
  • Amylopectin
  • Amylose

Explanation:

Monosaccharides are simple sugars, typically having 3 to 7 carbons in its structures. Aldoses and ketoses are forms of monosaccharides. If a monosaccharide has a aldehyde, it is an aldose. If a monosaccharide has a ketone, it is a ketose. You also have other forms, depending on te number of carbons. (e.g. Tioses, hexose and pentose)

Disaccharides are two monosaccharides bonded covalently through a glcosidc bond. They form through a condensation reaction, specifically through dehydration synthesis. Thus, the name "di" saccharides.

Polysaccharides are complex carbohydrates that are made up of many monosaccharides. Their functions are mainly storage and make up the structure of tissues.

Storage polysaccharides are polysaccharides that act as food reserves or energy reserves. They are called storage because they are stored away for later use. Starch is a storage polysaccharide that is found in plants and glycogen on the other hand, is found in animals.

Structural polysaccharides help form the structures of cell walls in plants and skeletons in animals. The most common ones are chitin and cellulose.

3 0
4 years ago
A common cause of iron deficiency anemia in adulthood is
Stolb23 [73]

A common cause of iron deficiency anemia in adult hood is blood loss and lack of iron in the body. Blood loss is usually the cause because of bleeding in the GI tract, intestinal bleeding and chronic occult bleeding. Lack of iron in the body is also a cause because a body is in need of iron and if it does not exceed the required iron in the body, it may result to iron deficiency.

6 0
4 years ago
What two characteristics do fungi lack that forced them to become decomposers
Artist 52 [7]
Fungi are decomposers, they obtain their food from dead organic matters. Fungi obtain their nutrient this way because they can not produce their own food. To produce their own food they need chloroplast in their cells to obtain energy from the sun. And they also need the ability to fix nitrogen which they will incorporate into the food they produce. Because they lack the ability to do this thing, they have to adapt to eating dead materials. <span />
8 0
4 years ago
State one role of white blood cells at the site of a wound during the healing of the wound.
kolbaska11 [484]
I stated three answers.
<span>1. White blood cells inundates bacteria that might entered the wound.
2. White blood cells produce antibodies that attack pathogens that might entered the cut(s).
3. They fight infection.(For Sure)

Hope this helped :D</span>
3 0
3 years ago
Read 2 more answers
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