1.) a cell. 7.) Ribosome: Tasked with reading

1.)  Plasma Membrane: The plasma membrane separates the inside of the cellfrom the outside environment. It consists of a phospholipid bilayer that ismade of proteins and lipids.2.)  Nucleus: The nucleus is composed of a lipid bilayer to separatethe interior from the outside cytoplasm. Pores in the membrane allow formovement between the nucleus and the cytoplasm.

The function of the nucleus isto store DNA.3.)  Nucleolus: The nucleolus is a dense organelle that is notmembrane bound and is found inside the nucleus. Its purpose is to produce rRNAfor the production of ribosomes and protein synthesis.4.)  Chromosome: Chromosomes are composed of large bound segments ofDNA, RNA, and proteins. Their purpose is to hold the genome of the cell in atight, packed manor.

5.)  RNA: RNA is key in protein synthesis; in a process calledtranscriptions, RNA copies DNA which is then read by ribosomes to formproteins. RNA is composed of the four nucleotides adenine, cytosine, guanine,and uracil. The structure is formed in a single strand with the addition of ahydroxyl group.

6.)  DNA: DNA is composed of the four nucleotides cytosine,adenine, guanine, and thymine in a twisted double helix shape. DNA stores allof the genetic information in a cell.

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7.)  Ribosome: Tasked with reading mRNA and translating it toproduce strings of amino acids that form proteins. Ribosomes have two majorcomponents, a small subunit that reads the RNA and a larger subunit that joinsthe amino acids together.8.

)  Smooth EndoplasmicReticulum: The smooth ER has no ribosomesattached and is involved in lipid metabolism. It is composed of membraneenclosed tubules and sacs and is the largest organelle in most cells.9.)  Rough EndoplasmicReticulum: Same basic compositionas the smooth ER but with the addition of ribosomes attached to the outermembrane which gives it its “rough: look. By holding ribosomes, the rough ERhelps with protein synthesis.10.

)                   Golgi Apparatus: The main function of this organelle is to process andsort proteins for further transport throughout the cell as they arrive from therough ER. Composed of a convex side where proteins arrive and a concave sidewhere the proteins depart.11.)                   Lysosome: Lysosomes are membrane enclosed organelles thatcontain enzymes to breakdown unwanted biological components of the cells suchas proteins, lipids, and carbohydrates. 12.)                   Peroxisome: Peroxisomes contain enzymes that carry out oxidationreactions that provide metabolic energy. They have a similar enzyme containingenclosed membrane structure to lysosomes.

13.)                   Vesicle: Vesicles are small membrane enclosed sacs that areresponsible for the transportation of substances within the cell and thetransportation of substances between cells.14.)                   Mitochondria: Surrounded by a double membrane system that isseparated by an open gap. The inside consists of a matrix of folds that holdsthe mitochondria’s own DNA. Its purpose is to break down carbohydrates andfatty acids to produce ATP which is eventually used for energy production.15.

)                   Microfilament: Help form the cytoskeleton of the cell which providesstructure since cytoplasm is just a liquid. Microfilaments are long, thinstring like proteins that are mostly composed of actin.16.)                   Microtubule: Thicker tube-like proteins composed mostly of tubulinthat form the cytoskeleton along with microfilaments.

Also help with movementof the cell.17.)                   IntermediateFilament: Provide structure tocells through mechanical strength. They are in between the size of microfilamentsand microtubules. They are composed of a variety of proteins depending on thetype of cell.

18.)                   Cytoplasm: A liquid that fills all the gaps between theorganelles in a cell. It is a gel like substance that is mostly composed ofwater.Centriole: Help in the formation of spindle fibers thatseparate chromosomes during cell division; composed mostly of microtubules