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Orlov [11]
3 years ago
7

True or False, only animal cells contain DNA.

Biology
1 answer:
mihalych1998 [28]3 years ago
7 0
False ⇒ Our cells (human cells) contain DNA!
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Considering the body’s organization from atoms to organ systems, in which level of organization are proteins like collagen? Desc
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According to the levels of organization in the body, the level of organization in which proteins, like collagen, are found is the molecular level, allowing the structural support and the performance of other essential functions.

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Proteins are biological macromolecules, polymers of units called amino acids. These molecules belong to the molecular level of organization in living organisms.

The level of organization where proteins are found allows them:

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Other functions of proteins are to integrate the cell membranes and perform transport function, to form receptors and to be an energy reserve.

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4 years ago
Explain why facilitated diffusion may need to occur and in what direction the particles diffuse in. Identify the molecules that
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<u>W</u><u>hy does facilitated diffusion happen</u><u>:</u>

<em>~</em><em> </em><em>I</em><em>t regulates what goes in and what goes out of the cell</em>

<em> </em><em>~</em><em>T</em><em>he cell membrane is permeable to only a select few types of molecules</em><em> </em><em>and</em><em> </em><em>t</em><em>h</em><em>e molecules that are allowed to move across the cell membrane must be non-polar molecules which are small in size</em>

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<em>~</em><em>F</em><em>rom one side of the membrane where the substrate concentration is high to the other side of the membrane where the concentration is lower</em>

<em>~</em><em>D</em><em>iffuses across membranes down the concentration gradient</em>

<u>T</u><u>he molecules that help in this process</u><u>:</u>

<em>~</em><em>carbohydrates, amino acids, nucleosides, and ions</em>

Hope this helped you- have a good day bro cya)

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2 years ago
What is the name of the type of basaltic crust that moves under less dense crust?
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Oceanic is the answer for this question
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