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Final exam review

This is a review of concepts on final

Which axis is an independent variable recorded? x axis
An independent variable is the result of an experiment? T or F? False
A scientist is studying the effects of cell phone use on attention span of students. She finds the longer a student is on the phone the less minutes they can concentrate. Which is the dependent variable? minutes the student can focus
Elements on the periodic table combine to make compounds because of ? Bonding between the electrons
Elements of opposite charges form compounds in which electrons are given or taken- this is what type of bonding? Ionic
Water is a type of bonding in which the elements share electrons - this is called _____________ bonding? covalent
The atom is made up of subatomic particles - the three particles are ? protons, neutrons and electrons
Of the three subatomic particles which one has the smallest mass of 1/1840 amu and has a negative charge electron
What field of biology would study an animal in the Safari and how it evolved over time? zoology
Solutions are made up a of solute and a solvent. In sugar water which is the solute? Sugar
Solutions can have a pH which determines if they are acids or bases. A solution with a pH of 1 makes it a ? acid
Biological macromolecules are used to build cells. The 4 types of macromolecules are? protein, carbohydrate, nucleic acids, lipids
Each macromolecule has a specific function. Sugars are used for energy and are in this classification of macromolecules carbohydrates
The macromolecule most used for structure and support is? protein
The biological catalyst called lipase is used to break down lipids, amalyze is used to break down carbs. A biological catalyst is called an ? enzyme
An enzyme lowers the amount of energy used to start a reaction, which is called the ________________ ______ of the reaction? activation energy
Which macromolecule is responsible for genetic code and is know for the following elements CHNOP? nucleic acids
What word is a synonym for the following terms: genetic code, genetic material, nucleotides, chromosomes, blueprint? DNA
A picture of long chains of amino acids would represent which macromolecule? proteins
Long chains of monomers are called? polymers
Carbon Hydrogen and Oxygen in a 1:2:1 ratio represents which macromolecule? Carbohydrates
A polymer composed of three hydrocarbon chains attached to 3 glycerides is called a ? Lipid
Our food is cooked with which type of lipids? triglycerides
Bacteria is a living organism because it can reproduce and is made up a of single cell. T or F? True
A virus is a living organism. T of F? False
Cells with membrane bound organelles like a nucleus, ribosome or golgi body are prokayotes? T or F? False
All cells ( three things)???? basic unit of life organisms are made up of 1 or more cells come from preexisting cells
Nucelic acids are made up of what elements? CHNOP
Which organelle controls the blueprint or all instructions for cell functions? nucleus
Which organelle breaks down large macromolecules to later be used by the mitochondria for energy production? lysosomes
A flagella is used for sperm to move. In the human body where are cillia (many small hairlike) found? lungs, inner ear and the fallopian tubes
What goes down if the volume of a cell increases and doesn't allow nutrients to get into or out of the cell effectively? surface area.
The plasma membrane is called the fluid mosaic model because? it flows, it has proteins embedded
The plasma membrane is found in what two types of cells? prokayotic and eukaryotic
A cell membrane and a cell wall are present in which cell ? Plant
Ribosomes are given directions from the nucelus to produce which macromolecule? Proteins
Cell membranes are bi layers made up of hydrophillic heads and hydrophobic tails with what macromolecule embedded in the layers for transport of materials in and out of the cell? proteins
endocytosis and exocytosis are types of transport that require what? energy
diffusion occurs to move particles from _______ concentration to _____ concentration high to low
name the parts of the cell membrane and describe them. hydrophillic heads attract water hydrophobic tails repel water embedded proteins to transport materials cholesterol to hold layers together
An autotroph is different than a heterotroph because???? An autotroph is a producer that can make its own food whereas a heterotroph is a consumer that has to take in other food
A diagram with a cell with 20% of salt in the cell and 5% salt outside of the cell is which type of solution? What will happen to the cell? hypotonic and swell.
The ETC stands for the electron transport chain. It moves electrons in order to do what? Convert ADP to ATP
Define osmosis The diffusion of water not requiring energy through a membrane
A cell is producing energy from the sun using a chemical reaction. This is called the ________ of the cell. Metabolism
What is the purpose of the light dependent reactions in a plant cell? Absorb light - produce oxygen and send ATP and NADPH to the next series of reactions.
Name and tell purpose of each step of cellular respiration. glycolysis (make glucose into 2 pyruvate) krebs cycle (break down pyruvate and give off CO2 send FAD and FADH to ETC) electron transport chain (use electrons to form ATP)
What is the total amount of ATP formed during cellular respiration and how much in each stage? Glycolysis 2 atp ( uses 2 to start) Krebs 2 atp ETC 32 total 36 ATP
What process is used to convert sunlight into glucose and oxygen? photosynthesis
What types of cellular transport require energy? Active transports like endo cytosis and exocytosis.
Created by: aethomas4415