are substances that cause chemical reactions to occur faster.

decreasing the amount of energy needed to activate the chemical reaction

is a suspension fluid that houses the other organelles

(or plasma membrane) acts as a boundary layer around the cytoplasm thus separating cells from their outside environments

is a secretion of the cell membrane; it provides protection from physical injury, and with the vacuole, it provides structural support.

stores water and ingested food in a fluid sack

is like the “brain” of the cell

are RNA and protein complexes that are found in all cells. These complexes help cells during protein translation by joining amino acids together to form polypeptides.

act like a stomach for the cell; they take in nutrients, break them down and create energy for the cell

are the food producers in a plant cell

endoplasmic reticulum

transports chemicals between and within cells. It is important to note that all cells do not always have all the organelles.

are the fourth, and highest, level of organization. Organ systems are composed of organs with interrelated functions.

is a group of tissues that work together to perform a specific function

send signals from the central nervous system to the cells of the rest of the body

are released by endocrine glands and are carried by the bloodstream to target cells

are protein molecules embedded in the cell membrane that transport molecules across the cell membrane against the concentration gradient

is the process in which cells bring large molecules inside by surrounding them with the cell membrane and forming vesicles.

is the process in which cells package materials into vesicles using the Golgi apparatus, and expel the vesicles from the cell.

involves the movement of material across the cell membrane from an area of high concentration to an area of low concentration

Facilitated diffusion

is a type of diffusion that uses special transport proteins to transfer larger molecules across cell membranes

is a type of diffusion that specifically involves the movement of water

involves the movement of water and solute molecules across the cell membrane due to hydrostatic pressure

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Enzymes+Cells

Question	Answer
Enzymes	are substances that cause chemical reactions to occur faster.
Enzymes work by	decreasing the amount of energy needed to activate the chemical reaction
enzymes are a type of	catalyst
Ribosomes produce specific enzymes to act on specific substances	substrates
The folds make pockets, which are called	active sites
All living organisms on Earth are made up of microscopic structures called	cells
Cells consist of smaller pieces, called	organelles
Cytoplasm	is a suspension fluid that houses the other organelles
cell membrane	(or plasma membrane) acts as a boundary layer around the cytoplasm thus separating cells from their outside environments
cell wall	is a secretion of the cell membrane; it provides protection from physical injury, and with the vacuole, it provides structural support.
vacuole	stores water and ingested food in a fluid sack
nucleus	is like the “brain” of the cell
Ribosomes	are RNA and protein complexes that are found in all cells. These complexes help cells during protein translation by joining amino acids together to form polypeptides.
Mitochondria	act like a stomach for the cell; they take in nutrients, break them down and create energy for the cell
Chloroplasts	are the food producers in a plant cell
endoplasmic reticulum	transports chemicals between and within cells. It is important to note that all cells do not always have all the organelles.
Organ systems	are the fourth, and highest, level of organization. Organ systems are composed of organs with interrelated functions.
organ	is a group of tissues that work together to perform a specific function
Nerve impulses	send signals from the central nervous system to the cells of the rest of the body
Hormones	are released by endocrine glands and are carried by the bloodstream to target cells
Membrane pumps	are protein molecules embedded in the cell membrane that transport molecules across the cell membrane against the concentration gradient
Endocytosis	is the process in which cells bring large molecules inside by surrounding them with the cell membrane and forming vesicles.
Exocytosis	is the process in which cells package materials into vesicles using the Golgi apparatus, and expel the vesicles from the cell.
Diffusion	involves the movement of material across the cell membrane from an area of high concentration to an area of low concentration
Facilitated diffusion	is a type of diffusion that uses special transport proteins to transfer larger molecules across cell membranes
Osmosis	is a type of diffusion that specifically involves the movement of water
Filtration	involves the movement of water and solute molecules across the cell membrane due to hydrostatic pressure

Created by: megganrose

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