Answer:
Endoplasmic Reticulum
Explanation:
The endoplasmic reticulum is like the highway system because the cell uses the endoplasmic reticulum to move material throughout the cell like people use highways to move throughout the country.
Answer:
Animal cells are typical of the eukaryotic cell, enclosed by a plasma membrane and containing a membrane-bound nucleus and organelles. Unlike the eukaryotic cells of plants and fungi, animal cells do not have a cell wall
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Answer: Nucleus!
Explanation:
The structure necessary for a mitochondria to produce new cells is the nucleus.
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The first line of barrier that support the immune system by the invading microorganisms is formed by the skin and the mucous membrane.
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What is immune system?</h3>
A network of biological processes called the immune system guards an organism against disease.
<h3>How do skin and mucous membrane support the immune system?</h3>
The skin acts as the first line of defense and has specialized immune cells that help prevent the microorganisms from entering the body.
The mucous membrane which is more sensitive and lines up the internal organs of the body can sense and eliminate the microorganisms thus helping the immune system.
Learn more about the immune system with the help of the given link:
brainly.com/question/13257880
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A protein has carbon, hydrogen and oxygen.
the formula of a protein is <span>R-CH-(NH2)(COOH).</span>
