1B Cells
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What is absorption in the body?
The movement of food from the small intestine into the blood.
What is breathing?
The movement of air into and out of the lungs
Which cells have a cell membrane?
Plant and animal cells
What is the job (function) of a cell membrane?
It decides what can enter or leave a cell
Which type of cell has a cell wall, vacuole and chloroplasts?
Plant cells
What is the job (function) of a cell wall?
It provides structure, shape and support to the cell.
What is the job (function) of chloroplasts?
This is the place where photosynthesis occurs.
What word determines how many molecules are found in a given space?
Concentration
What is the job (function) of the cytoplasm?
This is where chemical reactions take place.
Describe the process of ‘diffusion’.
The movement of molecules from a higher concentration to a lower concentration.
What is digestion?
The breakdown of food into smaller pieces so it can be absorbed.
What does the word ‘function’ mean?
The job that something does.
How do we make something look larger in it’s appearance?
Magnification
What is the job (function) of the mitochondria in cells?
This is the site of aerobic respiration.
What are the 7 characteristics of life? (hint - MRS GREN)
Movement, Respiration, Sensitivity, Growth, Reproduction, Excretions, Nutrition.
What is the job (function) of a nucleus?
This controls all cell activities
Name the chemical reaction that releases energy from food.
Respiration
What is the job (function) of a ribosome?
This is where proteins are made in a cell.
What do we call a cell that has a particular job to do and it’s structure is suited to this job?
A specialised cell
What does the word structure mean?
What something looks like or made of.
How do we calculate the ‘Total Magnification’ of a microscope?
Eye piece lens x objective lens
What is the job (function) of a vacuole?
It stores the cell sap
On a microscope - where do we place the slide?
On the stage
What is the structure of a sperm cell? How is this suited to it’s function?
Structure - Has a tail, to help it swim to the egg.