Science Chapter 1
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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cell
in biology, the smallest unit that can preform all life process
cell membrane
a phospholipid layer that covers the cell surface; acts as a barrier between the inside of a cell.
organelle
one of the small bodies in a cells cytoplasm that are specialized to preform a specif function
nucleus
in a Eukaryota cell, a membrane bound organelle that contains the cells DNA and that has a role in process such as growth, metabolism and reproduction
prokaryote
an organism that consist of a single cell that does not have a nucleus
Eukaryotas
an organism made up of cells that have a nucleus enclosed by a membrane
cell wall
a rigid stricture that surrounds the cell membrane and provides support to the cell
ribosome
cell organelle composed of RNA and protein
endoplasmic reticcuum
a system of membranes that is found in a cells cytoplasm and that assist in the production, processing and transport proteins and in the production of lipids
mitochondrion
in Eukaryota cells the cell organelle that is surrounded by two membranes and that is the site of cellular representation
Golgi complex
cell organelle that helps make and package materials to be transported out of the cell
vesicle
a small cavity or sac that contains materials in Eukaryota cells
lysosme
a cell of organelle that contains digestive enzymes
tissue
a group of similar cells that preform a common function
organ
a collection of tissues that carry out a specialized function of the body
organ system
a group of organs that work together to preform a body functions
organism
a living thing; anything that can carry out life process independently
structure
the special,normal
structure
the special, normal, or proper activity of an organ or pa
function
the special, normal, or proper activity of an organ or part