cell stucture (miller)

cells are the smallest units of what?

an organism

in each cell there are _______ to help it function

structures

tiny cell structure that carries out a specific function in the cell

organelle

different organelles have different whats?

structure

are some organelles found in both plant and animal cells/

yes

is bacteria unicellular or multicellular

unicellular

the rigid supporting layer that surrounds the cells of plants and some other organisms (plants, protists, fungi, some bacteria)

cell walls

do animal cells have cell walls?

no

cell walls help protect and ______ the cell

support

what are cell walls mostly made of?

strong material - cellulose

allow water and oxygen to pass through the cell wall

pores

thin, flexible barier that surrounds a cell and controls the substances that pass in and controls the substances that pass in and out of the cell

cell membrane

all cells have a what?

cell membrane

in plants _____ is like a fluid like layer between the cell and the cell wall

cell membrane

cells without a cell wall, the ______ forms the border between the cell and its envirnment m

membrane **

what prevents harmful material from coming in the cell

membrane

everything a cell needs enters through the the ______

membrane

do waste products leave the same way their food enters?

yes

most of a cell is made up of what?

cytoplasm

what is mostly made up of salt and water

cytoplasm

what carries nutrents and protines

cytoplasm

a large oval, that contains the cells geneti material in the form of DNA, which controls cell activity

nucleus

what is one of the largest organisms

nucleus

what is surrounded by a membrane - the nuclier envelope

nucleus

materials pass in and out of the ___

pores

thin strands of genetic material that fill the nucleus

cromatin

a dark round structure that produces/makes dot - like ribosomes that make protines

nucleoulus

maze like passage ways of membranes that processes many substances; proteins and lipids/fats

endoplasmic reticulum (ER)

lipids store what?

energy

ribosomes make what?

proteins

which endoplasmic reticulum has ribosomes?

rough ER

which endoplasmic reticulum has no ribosomes?

smooth ER

proteins leave the ER and move to the what?

golgi apparatus

what recieves proteins?

golgi apparatus

what is rod shapped; floating in the cytoplasm?

mitocondria

what converts/changes energy stored in food to energy the cell can use - power house

mitocondria

what is ONLY in plant cells?

chloroplast

what captures energy from the sunlight?

chloroplast

chloroplast makes food in the shape of what?

sugar/glucose

cells on leaves leave what color chloroplast?

green

what is small round, have substances that break down large food particles?

lysosomes

lysosomes can also break down what?

old cell parts

plant cells have one or more large, water filled sacs floating in the chloroplast. what are these called?

vacuoles

vacuoles are smaller or larger in animal cells?

smaller

what stores water and other materials?

vacuoles

vacuoles stores what until it is removed?

waste products

what kind of organisms preform every function for survival, growth, reproduction of the organism - bacteria/bacterium

unicellular

if the ______ cell dies in a cell, then the whole cell dies

unicellular

red blood cells do what?

deliver oxygen

nerve cells have what?

thread like extentions

a group of similar cells that work together to proform a ________ ________ is called a tissue

specific function

the stomach is what kind of tissue?

the mussle tissue