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Cells
TCAP
20
Science
7th Grade
04/04/2012

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Cards

Term
cell membrane
Definition
A ___________ holds the contents of a cell together. The ___________ controls the movement of materials into and out of the cell.
Term
cytoplasm
Definition
Inside the cell is a jellylike _______. The other cell parts float in the _________.
Term
nucleus
Definition
The ________ controls all the activities in the cell. It sends chemical messages that tell the other cell parts what to do.
Term
mitochondria
Definition
The _______ use food to create the energy the cell needs to carry out its activities.
Term
vacuoles
Definition
Food, water, or even waste waiting to be moved out of the cell are stored in ________.
Term
cell wall
Definition
Unlike an animal cell, a stiff _______ surrounds the cell membrane. This firm _______ allows plants to grow tall and still keep their shape.
Term
chloroplasts
Definition
_______ contain chlorophyll, a green pigment that gives leaves and stems their color. Chlorophyll uses light energy form the sun to make food for the cell.
Term
red blood cells
Definition
carry oxygen
Term
white blood cells
Definition
fight germs
Term
organisms
Definition
Living things are called ___________.
Term
cell
Definition
A _____ is the smallest part of an organism that is alive.
Term
structure
Definition
A cell's _______ is the way it isorganized to do specific jobs.
Term
functions
Definition
The jobs that a cell does to survive are its __________.
Term
cellular respiration
Definition
In ____________, sugars in food are broken down and combined with oxygen. In the process, carbon dioxide and water are made and energy is released.
Term
organelle
Definition
Each _______ has a particular job to do that helps the cell survive.
Term
nucleus
Definition
The ________ is a large organelle that contains the cell's chromosomes, which are made of DNA.
Term
DNA
Definition
________ tells the cell how to do its jobs. It also determines the characteristics of the entire organism.
Term
mitochondria
Definition
Cellular respiration takes place in ______________.
Term
chloroplasts
Definition
____________ are the organelles that make food for the plant.
Term
photosynthesis
Definition
Sunlight is used to combine carbon dioxide and water to form sugars. This process is called ____________.
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