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Bad White [126]
3 years ago
5

Which is NOT a defining characteristic of a mineral?

Biology
1 answer:
notka56 [123]3 years ago
8 0

Answer:

minerals are not man-made. They are naturally occurring. Minerals concocted in the the lab do not count although there are about 208 man made minerals discovered around mines

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Since the Wicked Witch from the Wizard of Oz melted away when she was doused with water, what do you think her cell membranes we
Bad White [126]

Answer:

silicone

Explanation:

cause it melts

5 0
3 years ago
Explain the difference between plasma and the formed elements of the blood.
Pavel [41]

Answer:

Blood plasma:

55% composition of blood contains blood plasma. The plasma contains various proteins and coagulating factors. This mainly include the fluid portion of the blood. Plasma is a straw colored liquid that contains antibodies as well as serum.

Formed elements:

45% composition of blood contains formed element. The formed elements contain RBCs, WBCs and platelets. This mainly include the cells portion of the blood. Formed elements is red color or no color depending on the pigment present in the cells of formed element.

3 0
3 years ago
Which of these actions is a reproductive strategy?
Sergeu [11.5K]
<span>The answer is a lioness teaching her young how to hunt
An action could be considered as a reproductive strategy is it's being done to ensure the continuation of the next generation.
Teaching the young lion to hunt will definitely improve the young lion capability's to survive and help their survivability</span>
4 0
3 years ago
Read 2 more answers
What is natural selection
AysviL [449]
Where organisms are better adapted to their environments tend to survive and produce more kids!
6 0
3 years ago
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The host range of a virus is determined by A. whether the glycoproteins or capsid proteins on its surface recognize those of the
Marina CMI [18]

Answer:

A. whether the glycoproteins or capsid proteins on its surface recognize those of the host cells.

Explanation:

Virus has different surface proteins that are recognized by the receptors present on its host cell. The range of a virus is determined by the recognition of these proteins by the host cell.

The interaction between the receptor on the host cell and surface proteins on the viral capsid is important for viral genome entry in the host cell and to determine the range of the host cells.

If the surface protein of the virus is not able to bind to the receptor on any cell then the virus can not infect the cell. For example, the HIV virus infects only those cell which have CD4 receptors. So the right answer is A.

4 0
3 years ago
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