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densk [106]
4 years ago
10

Which of the following contains stem cells that can produce only their own type of cells?

Biology
2 answers:
katrin [286]4 years ago
8 0

Answer:

2) Adult

Explanation:

Adult stem cells or somatic stem cells produce only their own type of cells. They are undifferentiated cells present throughout the body and are used to regenerate damaged tissues and replenish dying cells. They can generate all the cell types of the organ from which they originated. Some can even regenerate the entire organ.

Common signalling pathways found in adult stem cells are Wnt, Notch and TGFβ. They can be of many types. For example: Hematopoietic stem cells are present in bone marrow and all types of blood cells can originate from them. Intestinal stem cells are present in crypts of Lieberkuhn and can give rise to cells of small and large intestine.

Sonja [21]4 years ago
6 0

Hello, XxBaddiexx!! Your answer would be 2 - Adult because the adult stem cell can renew itself and repair the tissues they are found in, if it is needed. I hope this helps!! Have a great day.

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Matching
daser333 [38]

Answer:

1. bulbs - Onions and garlic reproduce using these

2. corms = Gladiolus and freesia plants have these special stems...

3. Rhizomes - Banana trees and bamboo have these horizontal...

4. Stolons - strawberry plants and Bermuda grass...

5. Tubers - Fleshy, enlarged stems like the potato

Explanation:

Bulbs are made up of layers and layers of modified leaves called scales. These scales provide the nutrition for the growing plant. They have roots at the bottom that anchor the plant.

Corms are similar to the bulb but they are more solid and do not have scales. They are kind of round but with a flat top. As the leaves of the plant grow, the corm shrinks until it is gone. New corm grow from the buds that grow out of the original corm.

Rhizomes are underground stems. They are fleshy and they grow horizontally. Eyes or buds grow around the rhizomes sometimes on the side or on top. Other examples would be irises and ginger.

Stolons are also known as runners. They creep or grow horizontally. They usually grow on the surface, but can also grow underground, just below the surface. These roots grow nodes where each node grows roots which become new plants.

Tubers are fat and round and do not grow horizontally. Instead, they stem out of the eyes and each shoot can become a new plant. You can cut them into pieces to propogate them, as long as there is at least one eye on the replanted piece.

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