a fundamental concept of biology.

a large membrane- enclosed structure that contains the cells genetic material in the form of DNA.

cells that do not contain nuclei.

the portion of the cell outside of the nucleus.

surrounds the nucleus and has two membranes

the granular material you can see in the nucleus.

is formed when chromatin condenses.

a small dense region in most nuclei.

small particles of RNA and protein found throughout the cytoplasm.

endoplasmic reticulum

The site where lipid components of the cell membrane are assembled, along with proteins and other materials that are exported from the cell.

Modifies, sorts, and packages proteins and other materials from the endoplasmic reticulum for storage in the cell or secretion outside the cell.

Small organelles filled with enzymes.

saclike structures in a cell that stores materials.

organelles that convert the chemical energy stored in food into compounds that are more convenient for the cell to use.

organelles that capture energy from sunlight and convert it into chemical energy in a process called photosynthesis.

gives eukaryotic cells their shapes and internal organazation.

located near the nucleus and help to organize cell division.

surrounds all cells and acts as a filter for them.

a strong layer around the cell membrane

a double layered sheet that is the composition of nearly all cell membranes.

the mass of a solute in a given form of solution, or mass/volume.

when particles move from where they are concentrated to another area where they aren't concentrated.

when the concentration of the solute is the same throughout a system.

the diffusion of water through a selectively permeable membrane.

when the concentrations of water and sugar are the same.

facilitated diffusion

when molecules move through protein channels

when cells move materials in the opposite direction.

taking the material into the cell my means of infoldings, or pockets, of the cell membrane

extensions of cytoplasm surround a particle and package it within a food vacuole

when tiny pockets form along the cell membrane, fill eith liquid, and pich of in forms of vacuoles.

the membrane of the vacuole difuses with the cell membrane, forcing contents out of the cell.

Cells throughout an organism develope in different ways toi perform different tasks.

a group of similar cells that perform particular functions

many groups of tissues that work together

a group of organs that work together to perform a specific function

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Honors Bio chapter 7

chapter 7 Bio vocabulary

Question	Answer
cells	The basic unit of life.
cell theory	a fundamental concept of biology.
nucleus	a large membrane- enclosed structure that contains the cells genetic material in the form of DNA.
Eukaryotes	cells that contain nuclei.
Prokaryotes	cells that do not contain nuclei.
organelles	little organs
cytoplasm	the portion of the cell outside of the nucleus.
nuclear envelope	surrounds the nucleus and has two membranes
chromatin	the granular material you can see in the nucleus.
chromosomes	is formed when chromatin condenses.
nuceolus	a small dense region in most nuclei.
Ribosomes	small particles of RNA and protein found throughout the cytoplasm.
endoplasmic reticulum	The site where lipid components of the cell membrane are assembled, along with proteins and other materials that are exported from the cell.
Golgi apparatus	Modifies, sorts, and packages proteins and other materials from the endoplasmic reticulum for storage in the cell or secretion outside the cell.
Lysosomes	Small organelles filled with enzymes.
vacuoles	saclike structures in a cell that stores materials.
Mitochondria	organelles that convert the chemical energy stored in food into compounds that are more convenient for the cell to use.
chloroplasts	organelles that capture energy from sunlight and convert it into chemical energy in a process called photosynthesis.
cytoskeleton	gives eukaryotic cells their shapes and internal organazation.
centrioles	located near the nucleus and help to organize cell division.
cell membrane	surrounds all cells and acts as a filter for them.
cell wall	a strong layer around the cell membrane
lipid bilayer	a double layered sheet that is the composition of nearly all cell membranes.
concentration	the mass of a solute in a given form of solution, or mass/volume.
diffusion	when particles move from where they are concentrated to another area where they aren't concentrated.
equilbrium	when the concentration of the solute is the same throughout a system.
omosis	the diffusion of water through a selectively permeable membrane.
isotanic	when the concentrations of water and sugar are the same.
hypertonic	the more concentrated sugar
hypotonic	the diute sugar.
facilitated diffusion	when molecules move through protein channels
active transport	when cells move materials in the opposite direction.
endocytosis	taking the material into the cell my means of infoldings, or pockets, of the cell membrane
phagocytosis	extensions of cytoplasm surround a particle and package it within a food vacuole
pinocytosis	when tiny pockets form along the cell membrane, fill eith liquid, and pich of in forms of vacuoles.
exocytosis	the membrane of the vacuole difuses with the cell membrane, forcing contents out of the cell.
cell specialation	Cells throughout an organism develope in different ways toi perform different tasks.
tissue	a group of similar cells that perform particular functions
organ	many groups of tissues that work together
organ system	a group of organs that work together to perform a specific function

Created by: jgiffin

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