what is the function of the cell membrane

it selects what enters the cell

what is the function of the nucleus

contains information to make the cell work

whats the function of the cytoplasm

jelly-like substance that holds up other cell parts in the cell

whats one difference about an animal and a plant cell

an animal cell doesn't have a cell wall

a plant cell doesn't have a cell wall

an animal cell is a rectangle shape

animal cell | Quizalize

Animal cell structures and their functions

Animal Cell Review

Animal Cell/Plant Cell

Animal cell organelles

Animal cell and plant cell

Animal Cell Exc. 3

Animal Cell Culture & Modeling

Animal Cells Animal cells contain many organelles, which are subunits within the cell that perform specialized functions. The organelles may be membrane-bound (enclosed within a lipid bilayer) or non-membrane bound (free in the cytoplasm). Here is a list of animal cell components and organelles and their functions: • Cell Membrane: The cell membrane or plasma membrane is a selectively permeable lipid bilayer that encloses the contents of the cell and regulates the transport of materials into and out of it. • Cytoplasm: The cytoplasm is the jelly-like fluid that gives a cell is shape and contains the molecules the cell needs for its processes. • Cytoskeleton: The cytoskeleton is a network of protein fibers that provides structural support, maintains cell shape, and enables cell movement. It is composed of three main types of protein filaments: microfilaments, intermediate filaments, and microtubules. • Nucleus: The nucleus is the control center of the cell, containing DNA and regulating gene expression. It is surrounded by a double-layered nuclear envelope or nuclear membrane that has nuclear pores that allow the exchange of materials between the nucleus and the cytoplasm. Nucleolus: Located within the nucleus, the nucleolus is the site of pre-ribosome production. • Mitochondria: Often referred to as the “powerhouse” of the cell, mitochondria are responsible for generating energy in the form of adenosine triphosphate (ATP) through cellular respiration. • Endoplasmic Reticulum (ER): The ER is a network of membrane-bound tubes and sacs involved in the synthesis, folding, and transport of proteins and lipids. There are two types of ER: the rough ER, which is studded with ribosomes and involved in protein synthesis, and the smooth ER, which is responsible for lipid synthesis and detoxification. • Ribosomes: These small structures, composed of RNA and proteins, are the sites of protein synthesis within the cell. They can be found either free-floating in the cytoplasm or attached to the rough ER. • Golgi Apparatus: The Golgi apparatus is responsible for modifying, sorting, and packaging proteins and lipids for transport to their final destinations within or outside the cell. • Lysosomes: Lysosomes are membrane-bound organelles containing enzymes that break down waste materials and cellular debris, playing a crucial role in the recycling of cellular components. • Peroxisomes: These small organelles contain enzymes that neutralize toxic substances and break down fatty acids, contributing to cellular detoxification and energy production. • Centrosome: The centrosome is an organelle found in animal cells but not plant cells. It is a small organelle near the nucleus with radiating tubules. The centrosome produces and organizes microtubules and regulates cell division so that the cell contents equally divide between daughter cells.

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