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bekas [8.4K]
3 years ago
12

Chondroblasts ________. Select one: a. never lose their ability to divide b. within the cartilage divide and secrete new matrix

c. are mature cartilage cells located in spaces called lacunae d. remain in compact bone even after the epiphyseal plate closes
Biology
1 answer:
alexandr1967 [171]3 years ago
7 0

Answer: b - Chondroblasts within the cartilage divide and secrete new matrix

Explanation: Chondroblasts are derived from two sources; mesenchymal cells within the center of chondrification and chondrogenic cells of the inner cellular layer of the perichondrium (coverings that lie over most cartilage).

At the chondrification centers, the cartilage forming cells (Chondroblasts) begin to secrete the components of extracellular matrix of cartilage. As the amount of matrix increases, the Chondroblasts become separated from each other and they are located in small cavity within the matrix called lacunae.

Concurrently, the cells differentiate into matured cartilage cells called chondrocytes.

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Please answer!! ill Mark brainliest!!​
cricket20 [7]

i am not 100 on this but i thinkk it is B

6 0
3 years ago
The esr1 gene is ________ in cancerous breast tissue and the grb7 gene is ________ in cancerous breast tissue for ms. Cantu.
oksian1 [2.3K]

For Ms. Cantu, the GRB7 gene is not expressed in malignant breast tissue while the ESR1 gene is upregulated in such tissue.

Upregulated genes are shown by the colour red.

Down-regulated genes are shown by the colour green.

Non-differentially expressed genes are indicated by the colour yellow.

Absence of expression is shown by the colour black.

Hence from the table and colours ESR1 The GRB7 gene is not expressed, and the gene is upregulated.

To learn more about Genes click here:

brainly.com/question/29367774

#SPJ4

7 0
1 year ago
A diet high in animal products and hydrogenated vegetable margarine may increase the risk for heart disease. this is because
muminat
Animal fats and hydrogenated vegetable margarine contain saturated triglycerides. Saturated triglycerides are those that are made of saturated fatty acids. These saturated fatty acids are capable of forming atheroma (/plaques) along arterial walls, causing atherosclerosis or arteriosclerosis. These could both result in coronary thrombosis (blocking of a coronary artery by a clot of blood), and hence a myocardial infarction (heart attack).
8 0
3 years ago
What is the most important requirement for all living things
fiasKO [112]
Carbon since all life requires it
6 0
3 years ago
The Panama Canal was completed in 1914, and its depth is about 50 feet. After 1914, snapping shrimp species from which habitats
Mashutka [201]

Answer:

Option C

Explanation:

Please see the attached image for the panama canal

Solution

Shrimps are the species that live in the bottommost areas of any water body i.e the bottom of the river or at the base of an ocean floor. Some of them are in habit of hiding themselves into the sand, mud, and rock along the sea shore.  

In the image, the region  A1 and B1 is the region closest to the ocean surface and as stated earlier some species of shrimps live close of sea/ocean surface. Thus, A1 and B1 regions will have shrimp hybrids.

 Hence, option C is correct

8 0
3 years ago
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