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Ostrovityanka [42]
4 years ago
14

Which objects are often preserved as carbon films?

Biology
2 answers:
Montano1993 [528]4 years ago
5 0
The answer is fish bones
fredd [130]4 years ago
4 0

Answer:

Fish bones

Explanation:

Most carbons films are left by specimens preserved under a body of water

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Write about an experience, either real or imaginary using these words chemical energy, electric energy, kinetic energy, mechanic
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Answer:

<em>I stopped to think for a moment, and realized </em><em>chemical energy</em><em> is found in food. Then, I thought about how the other day when I saw lightning, that is an example of </em><em>electric energy</em><em>. Then I thought about how when throw a ball, that is a form of </em><em>kinetic energy</em><em>. The other day, when I was hammering a nail into a piece of wood, that was a form of </em><em>mechanical energy</em><em>. An example of </em><em>nuclear energy</em><em> would be the nuclear power plant by our house. Before my book fell off my table, this is an example of </em><em>potential energy</em><em>. The energy from the sun is an example of </em><em>radiant energy</em><em>. Volcanoes and earthquakes around the world are an example of </em><em>seismic energy</em><em>. </em><em>Sound energy</em><em> would be the balloon that I popped the other day. </em><em>Thermal energy</em><em> would be the heat I feel from the heater.</em>

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3 years ago
Myofilaments used during muscle contractions will return to their resting state when the
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The Myofilaments being used on a muscle contraction would return to their resting state when the sarcomeres would relax. The Sarcomeres are the individual contractile of the myofibrils which are then considered as the tiny rod like elements that are found within the muscle cells.
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Activity: Create your own cell membrane. In your model, be sure to include the following: parts/structures function/use layers t
Gwar [14]

Explanation:

Lipids are composed of fatty acids which form the hydrobic tail and glycerol which forms the hydrophilic head; glycerol is a 3-Carbon alcohol which id water soluble, while the fatty acid tail is a long chain hydrocarbon (hydrogens attached to a carbon backbone) with up to 36 carbons.

Their polarity or arrangement can give these non-polar macromolecules hydrophilic and hydrophobic properties. Via diffusion, small water molecules can move across the phospholipid bilayer acts as a semi-permeable membrane into the extracellular fluid or the cytoplasm which are both hydrophilic and contain large concentrations of polar water molecules or other water-soluble compounds. The hydrophilic heads of the bilayer are attracted to water while their water-repellent hydrophobic tails face towards each other- allowing molecules of water to diffuse across the membrane along the concentration gradient.

Transmembrane proteins are embedded within the membrane from the extracellular fluid to the cytoplasm, and are sometimes attached to glycoproteins (proteins attached to carbohydrates) which function as cell surface markers or at as doorways for other molecules to pass through. Cholesterol, which is comparatively rigid, anchors other molecules attached to the membrane, maintain membrane stability or structural integrity and aid in separating some lipids, helping with membrane fluidity at low environmental temperatures.

Remember, essential features:

  • lipid bilayer
  • cholesterols
  • proteins (cell markers and  doorways)

Learn more about membrane components at brainly.com/question/1971706

Learn more about plasma membrane transport at brainly.com/question/11410881

#LearnWithBrainly

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A biology class is studying the concept of carrying capacity. On a field trip, the
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