Cells
What is the difference between unicellular and multicellular organisms?
One cell vs many cells
What part of the microscope is used to look through?
Eyepiece/ocular lens
What is the main function of the circulatory system?
To transport blood, oxygen, nutrients, and wastes around the body
What particle has a positive charge?
Proton
What is an element?
A pure substance made of only one type of atom
Which organelle controls the activities of the cell?
Nucleus
How do you calculate magnification?
Eyepiece magnification × objective magnification
What are the reactants in cellular respiration?
Glucose and oxygen
Where are electrons found in an atom?
In electron shells around the nucleus
What is a compound?
A substance made of two or more elements chemically bonded together
Name one structure found in plant cells but not animal cells.
Cell wall, chloroplast, or large vacuole
Which objective lens gives the highest magnification?
High power objective lens
What is the function of the alveoli?
Gas exchange between oxygen and carbon dioxide
What is the atomic number?
The number of protons in an atom
What is the difference between an element and a compound?
Elements contain one type of atom; compounds contain chemically bonded atoms of different elements
What is the difference between prokaryotic and eukaryotic cells?
Prokaryotes have no nucleus; eukaryotes do
What is the function of the stage on a microscope?
To hold the slide/specimen
Why is the left side of the heart thicker than the right side?
It pumps blood around the whole body at higher pressure
What do Bohr diagrams represent
Electron valence structure
What is a mixture?
Two or more substances not chemically bonded together
Put these in order from smallest to largest: organ, tissue, cell, organ system.
Cell → tissue → organ → organ system
If the eyepiece is 10× and the objective lens is 40×, what is the total magnification?
400×
Explain how the digestive and respiratory systems help cellular respiration occur.
Digestive system provides glucose; respiratory system provides oxygen
What do elements in the same group of the periodic table have in common?
Similar properties
Name two properties of metals and two properties of non-metals.
Metals: shiny, conductive, malleable. Non-metals: dull, brittle, poor conductors