Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
18 Cards in this Set
- Front
- Back
What is an enzyme? |
A biological catalyst |
|
What are particles? |
An atom or molecule of an element or compund |
|
What is surface area? |
The total area of a surface |
|
What is bacteria? |
A collection of microorganisms |
|
What are cells? |
The smallest structure of an organism which is usually microscopic. |
|
What is respiration? |
The action of breathing. |
|
What is a force? |
A strength or energy of physical movement or action |
|
What are atoms? |
The smallest particle of an element that can exist |
|
What is photosynthesis? |
Plants use sunlight to get nutrients from carbon dioxide and water. |
|
What are electrons? |
Particles with a negative charge. |
|
What does yield mean? |
How much money you make from a product. |
|
What does diffusion mean? |
Particles going from a high concentration to a low concentration across a semi - permeable membrane. |
|
What does Optimum mean? |
The highest temperature that and enzyme can go to before denaturing. |
|
What is lactic acid? |
A chemical compound which can be formed naturally or synthetically. |
|
What is a catalyst? |
A chemical that speeds up the rate of reaction |
|
What is a control variable? |
The variable that you keep the same. |
|
What is the Independent variable? |
Its the variable that you can change. |
|
What is the dependant variable? |
The one you measure. |
