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Lelu [443]
2 years ago
14

DNA and protein together form a complex called

Biology
2 answers:
mariarad [96]2 years ago
6 0
They form a complex called chromatin
Charra [1.4K]2 years ago
3 0

Answer:

chromatin!

Explanation:

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What contributes to cell membrane fluidity? Proteins and lipids exist as separate but loosely attached molecules that can move a
Charra [1.4K]

Answer:

Proteins and lipids exist as separate but loosely attached molecules that can move around

Explanation:

Cell membranes are mainly composed of lipids, proteins, and also carbohydrates. Phospholipids are the most abundant type of lipid and the main constituent of the cell membranes. Membrane proteins are divided into two types according to their interactions with the cell membrane: 1-integral (intrinsic) and peripheral (extrinsic) proteins. These peripheral proteins are loosely attached by ionic bonds or calcium bridges with the phosphate heads of the phospholipids; whereas integral membrane proteins contain side chains that interact with fatty acyl groups of the phospholipids. Cell membrane fluidity indicates how easily lipids (e.g., phospholipids and cholesterol) and proteins (e.g., intrinsic proteins) diffuse laterally in the cell membrane. This fluidity is affected by the amount of cholesterol, temperature, and the ratio of unsaturated to saturated fatty acids. Saturated fatty acids have no double bonds in the hydrocarbon chain, whereas unsaturated fatty acids have at least one double bond (these double bonds increase fluidity). Moreover, higher temperatures increase membrane fluidity, whereas cholesterol molecules function to regulate membrane fluidity: at high temperatures cholesterol molecules stabilize the membrane, whereas at low temperatures intercalate between phospholipids, thereby preventing them from clustering together.

6 0
2 years ago
Pls help i dont understand :( will give Brainliest + 25 points!!
lidiya [134]
Your answer would be C :))





hope that helped :))
4 0
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3 years ago
How will the diversity of species differ between early and late succesion areas?
Vesnalui [34]
You could argue that in early succession areas species may have not been adapted or evolved. In Darwin's theory, life began in a shallow, warm pond. If that is the case, species would then venture deeper when their area they are in is suitable and having success
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True or false? The question "How many days does it take for a monarch caterpillar to turn into a butterfly?" can be answered usi
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