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Cell Structure

QuestionAnswer
cell membrane the semipermeable membrane surrounding the cytoplasm of a cell.
cell wall is a tough, flexible and sometimes rigid layer that surrounds some types of cells. It surrounds the cell membrane and provides these cells with structural support and protection.
cellular respiration the set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.
chloroplast are the food producers of the cell. The organelles are only found in plant cells and some protists such as algae. Animal cells do not have chloroplasts. Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells.
chromatin s a complex of DNA and proteins that forms chromosomes within the nucleus of eukaryotic cells.
chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique.
cristae providing a large amount of surface area for chemical reactions to occur on.
cytoplasm is a thick solution that fills each cell and is enclosed by the cell membrane. It is mainly composed of water, salts, and proteins.
cytoskeleton is a structure that helps cells maintain their shape and internal organization,
Golgi bodies a complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport.
lysosome an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane.
matrix is more viscous than the cell's cytoplasm as it contains less water.
mitochondria in which the biochemical processes of respiration and energy production occur
nuclear envelope is the double lipid bilayer membrane which surrounds the genetic material and nucleolus in eukaryotic cells.
nuclear pore is a protein-lined channel in the nuclear envelope that regulates the transportation of molecules between the nucleus and the cytoplasm.
nucleolus is the nuclear subdomain that assembles ribosomal subunits in eukaryotic cells.
nucleus control center
organelle typically have their own plasma membrane round them. Most of the cell's organelles are in the cytoplasm.
polysome is a complex of a mRNA molecule and two or more ribosomes that is formed during active translation.
ribosome is a complex of over 50 proteins plus its own complement of RNA, often denoted rRNA.
rough endoplasmic reticulum are responsible for the assembly of many proteins
smooth endoplasmic reticulum associated with the production and metabolism of fats and steroid hormones.
vacuole are storage bubbles found in cells
vesicle is a small structure within a cell, consisting of fluid enclosed by a lipid bilayer membrane.
Created by: erinishiki