Moving thing in and out requires surface area, many small cells have much more surface area for much less volume than one big cell so it is more efficient.
Answer:
1. Embedded in the plasma membrane
2. There is no diagram attached but the question can be answered based on general knowledge. The answer is Golgi apparatus/body.
Explanation:
1. Cholesterol is fat molecule produced in the Smooth Endoplasmic reticulum of animal cells. It is then transported to the plasma membrane, where it plays a vital role in the functionality of the plasma membrane. Hence, embedded in the plasma membrane of an animal cell is CHOLESTEROL, in addition to phospholipids.
2. The Golgi apparatus is an organelle in eukaryotic cells that functions in the modification and packaging of protein and lipid molecules produced by the RER and SER respectively.
Embryologist study embryos because Embryology is central to evolutionary developmental biology ("evo-devo"), which studies the genetic control of the development process (e.g. morphogens), its link to cell signalling, its roles in certain diseases and mutations, and its links to stem cell research.
Most amino acids require Active Transport.
<h3>What is active transport?</h3>
According to Wiki, "Active Transport is described as a process that involves the movement of molecules against a gradient or an obstruction from a location of lower concentration to a region of greater concentration."
A protein pump uses ATP, which is a form of stored energy, to move molecules during active transport.
<h3>What are amino acids?</h3>
Organic substances known as amino acids have basic amino groups (-NH2) and carboxyl groups (-COOH). Amino acids are the components found in proteins. Proteins and peptides are both made up of lengthy chains of amino acids. There are a total of twenty amino acids used in the production of proteins.
Learn more about Amino acid with the help of the given link:
brainly.com/question/13252811
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