Final Exam Review Flashcards
What organelle is responsible for breaking down drugs that may be harmful to the cell?
Endoplasmic Reticulum
What is the smallest, most abundant organelle in the cell?
The ribosome
What is the most visible organelle in the cell?
The nucleus
Prokaryotes vs. Eukaryotes
Prokaryotes - no nucleus
Eukaryotes - nucleus
Which organelle breaks down wastes and damaged organelles?
Lysosomes
Which organ system has the function of moving the body and providing movement?
Muscular
Which organ system has the function of supporting and protecting the body and its organs?
Skeletal system
Which organ system has the function of supplying oxygen to cells and removing wastes?
Cardiovascular
Least complex Most complex
_____ _____ _____ _____ _____
Cell - Tissue - Organ - Organ system - Organism
Most complex to Least complex: DNA, genes, chromosomes
Chromosomes, Genes, DNA
What is density?
The ratio of a substance’s mass to its volume (d=m/v)
What is a dependent variable?
The factor that changes on its own due to the effect of the independent variable
What is an independent variable?
The factor that is purposely changed to test the hypothesis.
State the steps of the engineering design process
Identify and research a need Develop possible solutions Create a prototype Test and evaluate the prototype Improve the prototype
What is the difference between assistive and adaptive technologies?
Assistive - Helps people with disabilities complete a task more easily, without changing the organism (e.g.: wheelchairs,glasses)
Adaptive - Changes the organism to help it overcome a disability (.e.g: heart transplant ,laser eye surgery)
State the scientific method
Ask a question Form a hypothesis Test the hypothesis Analyze the data Draw conclusions Communicate results
What is the equation for work and what is the unit for work?
Work = Force * Distance; Joules (J)
Which type of wave can travel without a medium?
Electromagnetic waves
All Electromagnetic waves are
Transverse waves
Which type of wave needs a medium to travel through?
Mechanical/Longitudinal
What is the difference between speed and velocity?
Velocity is speed with a direction
What is work?
When a force is applied to an object and it moves a certain distance
During what step of mitosis does a cell plate form in plant cells?
Telophase
Name the 3 parts of the cell theory
1) all cells come from existing cells
2) the cell is the basic unit of all living things
3) every living thing is made up of cells
