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siniylev [52]
3 years ago
9

Which properties are used to identify minerals? Select 3 choices.

Biology
2 answers:
worty [1.4K]3 years ago
8 0

Used to identify properties are

  • luster
  • magnetism
  • streak
larisa [96]3 years ago
3 0

Answer:

Magnetism, Luster, Streak

Explanation:

Properties of minerals are usually used by the mineralogist to identify or determine the identity of a mineral (specimen).

Magnetism: is the property of the mineral that attract or repel other magnetic materials.

Luster: is the property of minerals that shows how the surface of the minerals reflect s light and it is usually affected by the brilliance of the light that is used to observe the mineral surface.

Streak: usually shows the true color of minerals and used to be in powered form.

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stiv31 [10]

A macrophage may engulf a pathogen by endocytosis, which involves the reorganization of actin microfilaments in the membrane and microtubules in the cytoskeleton.

<h3>What is endocytosis?</h3>

Endocytosis is a cellular process by which a cell can absorb materials from the surrounding medium, such as viruses and bacteria in the case of macrophages.

Microfilaments and microtubules are proteins that form part of the cytoskeleton and dynamic conformational changes of them are associated with the cytoskeletal rearregement during the phagocytic process.

The actin microfilaments in the membrane and microtubules in the cytoskeleton form part of the process of endocytosis because they need to reorganize during cell movement.

In conclusion, a macrophage may engulf a pathogen by endocytosis, which involves the reorganization of actin microfilaments in the membrane and microtubules in the cytoskeleton.

Learn more about actin filaments here:

brainly.com/question/13777481

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5 0
2 years ago
Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas.
Inga [223]
True, Methane is a greenhouse gas
8 0
3 years ago
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During an experiment, readings for blood pressure in a person’s body were found to be constant. However, when measured by a diff
DENIUS [597]

Answer:

This difference indicates that the results are precise but not accurate .

Explanation:

Precise results are those that are very close to the actual result, but do not achieve exactly the same result. In addition, this difference between the precise results is exactly the same. We have an example of this in the case shown in the figure above, where the blood pressure readings measured by the cuff differ by 15 points for each reading. This case also shows us that the results are not accurate, because this type of result is one that shows a result exactly the same as the real one.

7 0
3 years ago
Which of these essential elements is it most likely to be toxic to plants in a soil at pH 4.0?
Dafna11 [192]
Nitrogen,Phosphorus and Potassium
3 0
3 years ago
The pulmonary semilunar valve guards the entrance to the
cestrela7 [59]

Answer:

<h2>pulmonary trunk</h2>

Explanation:

The pulmonary valve is an important semilunar valve and found in the heart between the pulmonary artery and the right ventricle. This valve contains three cups that are responsible for the guarding of the pulmonary trunk. The pulmonary trunk is an important vessel of the heart that arises from the right ventricle and plays an important role in the circulation of the deoxygenated blood. The pulmonary trunk is called the main pulmonary artery.

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