8.L.5 Biotechnology
Presentation
•
Science
•
8th Grade
•
Hard
Standards-aligned
Evie Locklear
Used 6+ times
FREE Resource
6 Slides • 6 Questions
1
8.L.1 Energy for the Body
2
Living things are made up of cells
Living things grow and develop
Living things obtain and use material and energy
3
Photosynthesis- Plants get energy and make food (Glucose) from sunlight
6CO2 + 6H2O --> C6H12O6 + 6O2
Carbon Dioxide + Water -->(Reacts with SunLight) Glucose + Oxygen
4
Cellular Respiration= how WE get and use energy..... It is the EXACT Opposite of Photosynthesis
C6H12O6 + O2 --> 6CO2 + 6H2O + energy
Glucose + oxygen --> carbon dioxide + water + energy
Plant get energy from the sun and we get our energy from the plants and other foods we eat.
5
Energy is required for organisms to grow, build cells, and maintain homeostasis=balance
The total of all chemical reactions in the organism is -Metabolism
6
Building Cells
Carbohydrates- Simple sugars... sweets, potato, rice
Lipids- fats and oils.. stored in cells for protection and warmth
Proteins- build cells and fight off disease... meat
7
Multiple Choice
Which is a reason why proteins are important to a balanced diet?
Proteins store and transmit genetic information
Proteins provide long term energy storage
Proteins are essential for the growth and repair of tissues
Proteins are needed to insulate the body
8
Multiple Choice
Which is NOT a benefit of regular exercise?
Maintains heart health
Increases the strength of muscle and bone
Increases heart rate, providing more oxygen to be used
All are benefits of regular exercise
9
Multiple Choice
Which best describes a negative effect of chewing tobacco?
Addiction and susceptibility to cancer
Slowed reaction time
A decrease in lung capacity
Impaired thinking and judgment
10
Multiple Choice
Which may be best used as long-term energy storage
lipids
carbohydrates
proteins
nucleic acids
11
Multiple Choice
How does an energy balance occur in the body?
An energy balance can’t occur in the body
Energy in must be lower than energy out
Energy in must be greater than energy out
Energy in must equal energy out
12
Multiple Choice
Which food would provide the quickest energy source?
hamburger
butter
pasta
olive oil
8.L.1 Energy for the Body
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