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crimeas [40]
2 years ago
13

Which of the following is not a main characteristic of a mineral?

Biology
1 answer:
ladessa [460]2 years ago
3 0
The answer is A. Man-made
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How are DNA replication and DNA cloning similar? How are they different?
Vedmedyk [2.9K]
They are both similar because they both replicate stuff and they are different because DNA replication is natural but DNA cloning is man-made.

hope it helps!
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3 years ago
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In bones, a layer of osteoblasts and osteoclasts line the interior of the bone (this cellular layer covers all trabeculae, is ad
Westkost [7]

Answer:

Endosteum plays an important role in bone repair, bone remodelling and appositional bone growth.

Explanation:

Endosteum consists of a soft and thin connective tissue that lines the cavity of femur and humerus. Some of the major functions of endosteum are as follows:

Bone remodelling: Endosteum can stimulate the bone resorption that leads to the formation of new bone from the outside.

Bone repair: Hematoma, at the time of bone injury causes the division of endosteal cells and helps in bone repair.

Appositional bone growth: Endosteum that line the osteoblast cell can secrete bone matrix and increases the bone diameter.

8 0
2 years ago
How long will r136a1 live? ​
loris [4]

A star’s life expectancy depends on its mass. Generally, the more massive the star, the faster it burns up its fuel supply, and the shorter its life. The most massive stars can burn out and explode in a supernova after only a few million years of fusion. A star with a mass like the Sun, on the other hand, can continue fusing hydrogen for about 10 billion years. And if the star is very small, with a mass only a tenth that of the Sun, it can keep fusing hydrogen for up to a trillion years, longer than the current age of the universe.

4 0
3 years ago
What structure regulates the amount of light passing to the visual receptors of the eye?
Vanyuwa [196]

Answer:

a. iris

Explanation:

iris is actually the structure of the eye that regulates the amount of light passing to the visual receptors of the eye

4 0
3 years ago
Cellular respiration how cells harvest energy
velikii [3]

Answer:

Cellular Respiration: a process able to extract a large amount of energy from food molecules.  In eukaryotic cells oxygen is a required component. This metabolic process is the main reason that animals have elaborate gas exchange organs such as lungs, gills and other systems. The goal of these systems is, of course, to get access to oxygen and to get rid of carbon dioxide.

Explanation:

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2 years ago
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