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Carp115KeyBasicBio

Prepare yourself for the basic biological principles of the Keystone Exam.

QuestionAnswer
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
Created by: carp115