Question | Answer |
What are the three parts of the cell theory? | all living things are made of cells, cells are the basic unit of life, cells come from preexisting cells |
What is the function of lysosomes within a cell? | to break down things in the cell |
Describe facilitated diffusion. | uses a helper protein to move things across the cell membrane, does not use energy |
What would happen to an animal cell if you placed it in super salty water? | the water inside the cell would go out and the cell would shrink |
Which type of cell has a nucleus, eukaryotic or prokaryotic? | eukaryotic |
Do prokaryotic cells have mitochondria? | no |
Which elements make up a protein? | CHON; carbon, hydrogen, oxygen, nitrogen |
What is the most important macromolecule in the synthesis of proteins? | nucleic acids because of DNA |
Glucose is a carbohydrate. Which elements make up a carbohydrate? | CHO; carbon, hydrogen, oxygen |
Which macromolecule provide fast energy? | carbs (sugar) |
What are the functions of proteins? | transport substances, speed up reactions, make hormones |
What are proteins called that lower the activation energy allowing reactions to move more quickly? | enzymes |
How does temperature effect enzyme activity? | it usually increases it but if too hot it will break down (denature) the enzyme and the chemical reaction will slow down |
True or False. Enzymes only work on specific substrates. | True |
Which properties of water contribute to capillary action, the ability for water to move up against gravity? | cohesion and adhesion |
What word means a conclusion drawn based on evidence and assumption? | inference |
Do theories become laws? | no |
What is the difference between a theory and a law? | Theories are supported explanations and laws are well supported descriptions. |