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kolezko [41]
3 years ago
13

Help needed please I beg of you

Biology
1 answer:
omeli [17]3 years ago
8 0
Isn’t that like tectonic palges
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Structural proteins that typically assemble into large cables or threads, to provide mechanical support to cells or organisms ar
ollegr [7]

Answer:

Fibrous

Explanation:

Proteins are assembled according to their functions. Fibrous proteins usually provide protection and support to cells. They are made up of polypeptides that have elongated shape and assembles in large cables or threads. These proteins are differentiated from globular proteins by their globular form and repeated units of amino acids.

For example the fibrous proteins involved in horns, hair and nails is alpha-keratin.  Elastin found in skin and ligament is also a fibrous protein. Collagen includes collagen fibrils that have tensile strength of steel is also a fibrous protein found in cartilages and bones.

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3 years ago
A technique that uses measurement of radioactive isotopes to evaluate the activity of the brain is
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<span>The answer is nuclear imaging. A subject is asked to take in a radionuclide (radioactive isotopes) and as the radioactive material passes though the body, it continually emits radiation that is detectable by an instrument such as a gamma camera. Examples of nuclear imaging techniques are SPECT and PET.</span>




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3 years ago
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Fill in the blanks. Greenhouse gases absorb radiation from the sun and re-radiate it back toward the , which helps to maintain a
dsp73

Answer:

Greenhouse gases absorb radiation from the sun and re-radiate it back toward the <u>atmosphere,</u> which helps to maintain a normal range of <u>temperature</u> on Earth.

Greenhouse are glass house which are used to grow crops in regions exhibiting extreme cold temperatures and snow fall. The soil in these regions are frozen therefore, are not suitable for plant growth. These glass houses  trap the sunlight which is used by the plants for photosynthesis and growth. Some gases like methane, carbon dioxide,  carbon monoxide, sulphur and nitrogen dioxide are released into the atmosphere. These gases maintains the range of temperature of atmosphere.

8 0
3 years ago
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What is the most common chemical in a plant's cell wall?
Fed [463]
Its cellulose....
hope it gonna work...✌️✌️✌️
7 0
3 years ago
Which is not a difference between a population showing exponential growth and a population showing logistic growth? a. food limi
Vlada [557]
Hello there

<span>Which is not a difference between a population showing exponential growth and a population showing logistic growth?

</span><span>c. carrying capacity </span>
5 0
3 years ago
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