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zmey [24]
3 years ago
10

Explain why DNA must be replicated. I need this ASAP please, ty.

Biology
1 answer:
blondinia [14]3 years ago
4 0

Answer:

DNA, found within the nucleus, must be replicated in order to ensure that each new cell receives the correct number of chromosomes.

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61. If tyrosine and isoleucine undergo condensation, the new bond that is formed is between the:
iris [78.8K]
<h3>Answer: E) carbon of the carboxyl group and the nitrogen of the amino group.</h3>

Explanation:

tyrosine and isoleucine are amino acids.

When they are condensed, they form a peptide bond which occurs between the carbon of the carboxyl group and the nitrogen of the amino group (OPTION E).

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2 years ago
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1. <br> A) Name the 4 MAJOR ORGANIC COMPOUNDS.<br><br> B) DESCRIBE how they DIFFER in their uses.
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The four major organic compunds are lipids, carbohydrates, proteins, and nucleic acids.


Lipids are used to store energy, insulate insulate, and they help build cell membranes. Examples of lipids are fats, oils, and waxes.


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The role of proteins is to build our bodies, help our immune system, and help cells communicate. Such examples include meat, beans, eggs, fish, nuts, soy, and dairy.


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3 years ago
Respiration involves a reaction between oxygen and ____.
Elan Coil [88]
The most appropriate answer is D !

in respiration oxygen and glucose( food substance) combines to form energy and CO2 !
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Membrane rafts are found in the cytoplasmic membranes of.
sveta [45]

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Membrane Lipid Rafts.

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They are present in all cells and have been implicated in a variety of sorting and signaling processes. They are rich in cholesterol, sphingomyelin, and glycosylphosphatidylinositol (GPI)-anchored proteins; have more ordered acyl side chains; and are thicker than nonraft bilayer domains.

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