science terms uwu

cell membrane

All cells have an outer covering called a

photosynthesis

process by which most plants, some protist, and many types of bacteria make their own food.

cytoplasm

Inside very cell is a gelatinlike material called

cell wall

are touch, rigid outer coverings that protect the cell and give it shape.

organelle

within the cytoplasm of eukaryotic cells are structures called

nucleus

directs all cell activities and is seperated from the cytoplasm by a membrane.

chloroplast

contain the green pigment chlorophyll which gives many leaves and stems their green color.

Mitochondria

the energy in food is stored until its released by

ribosomes

cells make their own proteins on small structures called

endoplasmic reticulum

extends from the nucleus to the cell membrane

Golgi bodies

stacked, flattened membranes

tissue

is a group of similar cells that work together to do one job.

organ

is a structure made up of two or more different types of tissue that work together

magnify

to increase the size of something

cell theory

all organisms are made up of one or more cells. the cell is the basic unit of organization in organisms

disease

a condition that results from the disruption in function of one or more of an organisms normal process

virus

is a strand of hereditary material surrounded by a protein coating

host cell

crystalized forms of some viruses can be stored for years

Lysosomes

contains digestive chemicals that help break down food molecules, cell water, and worn-out cell parts

Vacuole

a membrane-bound space for temporary storage of materials. It can store waste, water, food or other cellular material.