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nalin [4]
1 year ago
10

True or false: Torn cartilage heals slowly because it lacks a direct blood supply and nutrients have to be obtained by diffusion

from the blood vessels in the surrounding perichondrium.
Biology
2 answers:
Rus_ich [418]1 year ago
5 0

Explanation:

That is a true fact the lack of blood flow creates a slow healing process

Semmy [17]1 year ago
3 0

Answer: Cartilage is not innervated and therefore relies on diffusion to obtain nutrients. This causes it to heal very slowly. The main cell types in cartilage are chondrocytes, the ground substance is chondroitin sulfate, and the fibrous sheath is called perichondrium.

Explanation:

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7. Once the RNA is made, can it immediately leave the nucleus? Explain.
slava [35]

Answer:regulation of RNA processing When a eukaryotic gene is transcribed in the nucleus.

Explanation:

the primary transcript (freshly made RNA molecule) isn't yet considered a messenger RNA. ... The pre-mRNA has to go through some modifications to become a mature mRNA molecule that can leave the nucleus and be translated.

8 0
2 years ago
Describe how a plant regulates water loss through a feedback mechanism that involves guard cells
kumpel [21]

Guard cells close up to prevent water loss. These guard cells will automatically open up if there is a need of water to go out of the cell. An open stomate allows water to leave through transpiration, guard cells control the opening and closing of a stomata, stomates will close to reduce water loss and By opening and closing the stomata on the underside of the leaves.

7 0
3 years ago
Suppose you took a trip to the moon. Write a paragraph describing how and why your weight would change. Would your mass change t
DerKrebs [107]
I can tell U something to help U with ur paragraph, like no ur mass won't change, and ur weight will change because Weight = mass X gravity, and the gravity on the moon is less than that's on earth so ur weight will also decrease, hope that helped
3 0
2 years ago
Why does the kinetic energy change? Is it the<br> mass or the speed that causes the change?
gogolik [260]

Answer:

Both speed and mass causes the kinetic energy to change.

Explanation:

The energy an object  because of its motion is called as Kinetic energy. A object that moves be it horizontal or vertical direction possess kinetic energy. Some forms of kinetic energy are rotational, vibrational, translational. The kinetic energy(K) of the object depends on two components i.e., the mass (m) of the object involved and its speed(v)

The relation between the mass, speed of the object can be represented as

 \text{Kinetic energy}=\frac{1}{2}$ mass $\times$velocity$^{2}$

 Kinetic energy$=\frac{1}{2} m \times v^{2}$

Thus when there is a increase in the mass and speed, the kinetic energy will also increase

5 0
3 years ago
How do protozoa and algae differ?
NeX [460]

Answer:

The major difference between algae and protozoa is that algae are able to make their own food, as plants do, while protozoa ingest other organisms or organic molecules, as animals do.

Explanation:

hope this helps

did this for homework

3 0
2 years ago
Read 2 more answers
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