Cells
What is one exception to cell theory?
Viruses
Where the first cell came from
What do carbohydrates do for your body?
They are the main source of energy
Name a body system and its function
Varies
What is a microorganism?
Organisms that must be viewed under a microscope to be seen
Bacteria
Viruses
Protists
Fungi
What is metabolism?
The sum of all of the chemical reactions in an organism
Name 2 organelles that are only in plant cells
Cell wall
Chloroplast
One large vacuole
What are the "building blocks" of proteins?
Amino acids
What is the main function of the digestive system?
To break down food into simpler substances to be used by body cells
Some individuals are able to produce antibodies against the virus quick enough to fight it off.
Give an example of a stimulus
Answers vary
What is the function of the endoplasmic reticulum?
Transportation system
What is the term for a complex protein that controls the rate of chemical reactions and has a specific shape?
Enzyme
What body system is responsible for transporting oxygen and nutrients to the cells and carrying away waste products from the cells?
Circulatory System
What are two beneficial uses for bacteria?
Gene splicing
Curing tobacco
New medications
What are the processes/activities common to all living things called?
8 life functions
What are the 3 parts of cell theory?
All living things are made of 1 or more cells
Cells are the basic unit of structure and function
All cells come from other preexisting cells
What is the function of lipids and nucleic acids?
Long term energy storage and insulation
Control the characteristics of cells/ make up DNA
Describe how the 3rd line of defense (antibodies) in the immune system works.
The 3rd line of defense is antibodies. Antibodies are produced to mark antigens for destruction. They then remain in the body to provide the body with immunity
What causes antibiotic resistance?
Some of the bacteria mutate and are resistant to the antibiotic and then reproduce creating a whole population of antibiotic resistant bacteria.
Define the functions of transport, nutrition, growth and regulation.
Transport- the absorption and circulation of materials throughout an organism Nutrition- organisms obtain and process food Growth- an increase in the size and/or number of cells of an organism Regulation- responsible for the control and coordination of all the various activities of an organism
Define active transport
The movement of a substance through a membrane from low concentration to high concentration with the use of energy
How does an enzyme speed up chemical reactions?
It lowers the activation energy
Explain how the respiratory and circulatory systems work together to maintain homeostasis.
Respiratory system inhales oxygen which diffuses into blood and is transported to body cells by the circulatory system. The circulatory system picks up waste carbon dioxide and transports it to the lungs where it is exhaled.
What are two beneficial uses of viruses?
Biological pest control
Creation of vaccinations
List the 7 steps of the scientific method in order
Define a problem/ask a question Research Hypothesis Experiment Collect AND analyze data Conclusion Repeat experiment and report findings