What is a Cell

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eukaryote

A cell that contains a nucleus and membrane bound organelles

cytoplasm

A jellylike fluid inside the cell in which the organelles are suspended

cell

A membrane bound structure that is the basic unit of life

phospholipids

A molecule that is a constituent of the inner bilayer of biological membranes, having a polar, hydrophilic head and a nonpolar, hydrophobic tail.

plasma membrane

A selectively permeable phospholipid bilayer forming the boundary of the cells. Also known as cell membrane

cell membrane

A selectively permeable phospholipid bilayer forming the boundary of the cells. Also known as plasma membrane

organelles

A specialized structure within a cell, such as a mitochondrion, vacuole, or chloroplast, that performs a specific function.

prokaryote

A unicellular organism that lacks a nucleus and membrane bound organelles

amino acids

Building blocks of protein

mitochondrion

Cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use

nucleus

Large organelle that contains DNA in eukaryotic cells

complex carbohydrates

Macromolecule composed of long chains of simple carbohydrates.

lipids

Macromolecule that is insoluble in water (Hydrophobic). examples include fats, oils, and waxes

proteins

Macromolecule. Chain of amino acids.

simple carbohydrates

Molecules such as glucose, fructose and sucrose can provide energy for short term needs

archaea

Prokaryotic organisms that are biochemically and genetically distinct from bacteria

enzymes

a protein that acts as a metabolic catalyst

Endosymbiotic theory

a theory that states that certain kinds of prokaryotes began living inside of larger cells and evolved into the organelles of modern-day eukaryotes

deoxyribonucleic acid (DNA)

double stranded helix shaped nucleic acid

Nucleic acids

macromolecule. chain of nucleotides (DNA and RNA)

ribonucleic acid (RNA)

single stranded nucleic acid

bacteria

single-celled prokaryotic organisms


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