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Carp115KeyBasicBio
Prepare yourself for the basic biological principles of the Keystone Exam.
Question | Answer |
---|---|
What are the seven characteristics that all life shares? | Made of cells Maintain homeostasis Maintain metabolism Reproduce Heredity Respond to stimuli Grow and develop |
The ability of an organism to seek and maintain a condition of equilibrium or stability within its internal environment when dealing with external changes is called? | Homeostasis |
The process involving a set of chemical reactions that modifies a molecule into another for storage, or for immediate energy use is called? | Metabolism |
What are four common characteristics of prokaryotes? | Lack organelles Contain ribosomes Lack a nucleus Singled celled |
What are four common characteristics of eukaryotes? | Contain organelles Contains a nucleus Single or multi-cellular |
If an organism is not prokaryotic then it must be, what type of organism? | Eukaryotic |
If an organism is not eukaryotic then it must be, what type of organism? | Prokaryotic |
What are the six levels of hierarchy in organisms? | organelles * cells * tissues * organs * organ systems * multi-cellular organisms |
What is the primary function of the nucleus? | Contains the DNA and controls the cell's activities |
What is the primary function of the nucleolus? | Site of ribosome synthesis (production)found in the nucleus |
What is the primary function of the mitochondria? | breaks down carbohydrates to produce ATP |
What is the primary function of the rough endoplasmic reticulum? | transports proteins ans other substances within the cell |
What is the primary function of the smooth endoplasmic reticulum? | creates lipids |
What is the primary function of the ribosomes? | protein synthesis |
What is the primary function of the chloroplast? | synthesis carbohydrates using light energy |
What is the primary function of the Golgi apparatus? | Protein packaging |
What is the primary function of the cytoplasm? | Supports and protects organelles |
What is the primary function of the centrioles? | Paired cylindrical organelles utilized in cell division |
What is the primary function of the cytoskeleton/microtubules? | Supports cell, provides shape, and used in cell movement |
What is the primary function of the lysosome? | Breaks down food molecules, and old organelles |
What is the primary function of the vacuoles? | Storage, digestion and waste removal |
What is the primary function of the contractile vacuole? | pumps water out of cell |
What is the primary function of the vesicle? | Moves proteins, lipids, and carbohydrates through the cell |
What is the primary function of the cell membrane? | Protects contents of the cell, controls what enters and leaves the cell |
What is the primary function of the cell wall? | Protects the contents of the cell and prevents cells from bursting |
What term is applied to a proposed explanation for a phenomenon? | hypothesis |
What is the term applied to an educated guess in science? | hypothesis |
What do scientists use to guide themselves through an experimental process? | hypothesis |
What term is used to describe a conclusion drawn from scientific observations? | Inference |
What term is used to describe a summarizing statement of observed experimental facts that have been tested many times and is generally accepted to be true? | law |
What term is used to describe a hypothesis or group of related hypotheses, which have been confirmed through repeated experimental tests? | Theory |
What term is used to describe a basic truth, law or assumption? | Principle |
What term is used to describe something demonstrated to exist or known to have existed? | Fact |
What term is used to describe an inference or a judgement that is acquired from or based on an observation? | observation |