What is the purpose of the mitochondria?

Breaks down food & releases stored energy, fuels activities

What make osmosis special?

Form of diffusion but ONLY with water particles

What is cellular respiration within an animal cell?

Transform oxygen and sugar into carbon dioxide and water

What is the order from Smallest to largest?

Organelle, cell, tissue, organ, organ system

What is a cell organelle?

Tiny parts within cells with specialized functions

What is an example of diffusion?

Particles move from higher concentration to lower

Breaks down food and digests wastes

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Cells and the human body

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Grade 8 cells unit review

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Questions 18

Answers

1
What is a cell?
Basic structural unit of life
An egg
Small thing
Part of the body
2
What is the equivalence of epithelial tissue in a plant?
Photosynthetic tissue
Transport tissue
Root tissue
Protective tissue
3
Why DON'T researchers stain cells?
Certain stains are best for observing certain types of cells
Stain distinguishes cells from surrounding tissue
To clean cells
Making carbohydrates visible, as they are colourless
4
What is the property of a barrier that allows only certain substances to pass through it?
Impermeable
Specifically Permeable
Selectively permeable
Selectively opaque
5
Which of the following is not part of cell theory?
Cells are created by cell division, one cell divides into 2
Cells are too small to seen
Organism can be unicellular or multicellular
Cell is basic unit of life
6
What two organelles are only found in plant cells?
Trick question, only chloroplasts
Cell wall and chloroplasts
Cell wall and vacoule
Chloroplasts and vacoule
7
What is the organ system that protects the body from invading organisms and cells?
Lymphatic
Endocrine
Digestive
Integumentary
8
What is the purpose of the mitochondria?
Delivers protein to the rest of the cell
Breaks down food & releases stored energy, fuels activities
Sac, stores excess food, wast and other substances
Help make protiens
9
What's an example of a unicellular & multicellular organism?
Amoeba & Drake
E. Coli & paramecium
Flagellum & pesudopods
Fruit fly & Justin Trudeau
10
What make osmosis special?
Trick question, diffusion = Osmosis
Form of diffusion but ONLY with water particles
It only happens in the feet cells
It happens any time water particles are present in a system
11
What is cellular respiration within an animal cell?
Growth by cells as the inhale and exhale
Carbon dioxide and water into sugar and oxygen
Transformation of sunlight into sugar
Transform oxygen and sugar into carbon dioxide and water
12
What is the order from Smallest to largest?
Organ system, organ, tissue, organelle, cell
Organ, tissue, organ system, organelle, cell
Cell, tissue, organ system, organ, organelle,
Organelle, cell, tissue, organ, organ system
13
Question is written here, choose the best option that answers the question from the 4 choices
Best Answer
Answer 2
Answer 3
Answer 1
14
What is not a plant organ?
leaf
spine
stem
root
15
What is a cell organelle?
Tiny parts within cells with specialized functions
Jelly-like material that fills the cell
Part of animals or plants that are composed of cells
Only found in animal cells
16
Uses light focussed through several different lenses to form a magnified image of a specimen?
Objective microscope
compound light microscope
Coarse adjustment microscope
Condenser microscope
17
What is an example of diffusion?
Particles move from higher concentration to lower
How oxygen travels around the body
Water particles ONLY move from higher to lower concentration
The movement of cells around the body
18
What is a lysosome?
Jelly-like material that fills cell & surrounds organelles
Controls activities of cell, like growth
Breaks down food and digests wastes
Thin covering that holds cytoplasm

Cells and the human body Flashcards | StudBud