chem reveiw
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| The nucleus of an atom is made of? | Protons and neutrons
🗑
|
||||
| what moves around the nucleus and carry a negative charge? | electrons
🗑
|
||||
| the outer energy shell of the atom is called | the valence shell
🗑
|
||||
| which part of the atom determines how it will interect with other atoms | valence electrons
🗑
|
||||
| what is a element | substance in its simplest form
🗑
|
||||
| can an element be broken down | no it can not
🗑
|
||||
| what is an ion | atoms or mocules that carry an electrical charge
🗑
|
||||
| what is an cation | atoms that have lost electrons
🗑
|
||||
| what is an anion | atoms that have gaind electrons
🗑
|
||||
| how do you know how many electrons were lost or gained | the number of - or + they have connected to them
🗑
|
||||
| what is a molecule | 2 or more atoms held together by a covalent bond.
🗑
|
||||
| what is an example of a molecule | O2, H2, H2O,CO2
🗑
|
||||
| What is a compound | Made up of atoms of two or more different elements, regardless of the type of bond joining them
🗑
|
||||
| Can a compound be a molecule | No
🗑
|
||||
| Can a compound be an ionic or covalent bond | Yes, bond doesn't matter
🗑
|
||||
| What is a free radical | An ion or molecule that contains unpaired electrons
🗑
|
||||
| How does an ion or molecule become a free radical | Normal metabolic reactions, chemicals that enter the body from chemicals ,
🗑
|
||||
| Why are too many free radicals bad | Can cause a chain reactions, cause oxidative stress
🗑
|
||||
| What is an ionic bond | Chemical bonds treated by the electrical attraction between anions and cations.Disassociates in water
🗑
|
||||
| How is an ionic bond created | Losing or gaining electrons
🗑
|
||||
| What do ionic bonds do when dissolved in water | Separate from each other
🗑
|
||||
| What is it called when they dissolve in water | Disassociation
🗑
|
||||
| What are some examples of ironically bonded compounds | HCL, NaCL
🗑
|
||||
| What is a covalent bond | Allows atoms to complete there outer shells by sharing electrons
🗑
|
||||
| How is a covalent bond created | By loosing and gaining electrons
🗑
|
||||
| What is the terminology when a covalent bond shares one, two and three pairs of electrons | Single, double, triple covalent bonds
🗑
|
||||
| What is a polar covalent bond | The electrons spend more time on one end than the other on a molecule
🗑
|
||||
| What is the most common polar covalent bonded molecule in the body | Water
🗑
|
||||
| What is hydrogen bond | Exists between 2 polar molecules that contain hydrogen
🗑
|
||||
| What are 2 most common hydrogen bonded molecules in the body | H2O, DNA
🗑
|
||||
| What is a no polar covalent bond | Both molecules are neutral , so they spend equal time around eachother
🗑
|
||||
| What is activation energy | The amount of energy required to start a chemical reaction
🗑
|
||||
| How do enzymes affect activation energy | By lowering activation energy requirements
🗑
|
||||
| What is an electrolyte | Soluble in organic molecules who is ion will conduct an electrical current in solutions
🗑
|
||||
| How are electrolyte created in the body | Dissolved in water in the body Siri
🗑
|
||||
| What does hydrophobic Mean | Not attracted to water ex. Fats,oils,lipids
🗑
|
||||
| What does hydrophilic mean | Attracted to water. Ex. Acids,bases,salts,sugars,phosphate heads
🗑
|
||||
| What's does logarithm I mean on the ph scale | Each number on the ph scale is 10x more or less increased then the next or before number
🗑
|
||||
| What pH is considered neutral | pH 7 (10-7)
🗑
|
||||
| What does a pH of 6 mean | Acidic
🗑
|
||||
| What does a pH of 8 mean | Base
🗑
|
||||
| How do you know if something is an acid | Disassociative solution and releases hydrogen And something else. Ex. HCL
🗑
|
||||
| How do you know if something is a base | Salute that removes hydrogen ions from solutions breaks down into OH-. Ex. HCO3-
🗑
|
||||
| How do you know if something is a salt | They dissociate completely into cations and anions
🗑
|
||||
| What is a buffer | Does remove or replace H+ in the body temporarily
🗑
|
||||
| What nutrient acts a buffer in the blood | Proteins
🗑
|
||||
| What is glycogen | Storable glucose
🗑
|
||||
| Where is glycogen stored | Muscle skeletal cells and liver cells
🗑
|
||||
| What hormone stimulates the breakdown of glycogen | Insulin
🗑
|
||||
| What is the breakdown of glycogen called | Glycogenolysis
🗑
|
||||
| What is a triglyceride | glycerol + 3 fatty acids
🗑
|
||||
| Is triglycerides hydrophilic or hydrophobic | Hydrophobic
🗑
|
||||
| What are the functions of a triglycerides | Energy source, protection, insulation
🗑
|
||||
| What is a saturated fat | All carbons are bond to hydrogen. Hard @room temp.
🗑
|
||||
| Are saturated fats hydrophilic or hydrophobic | Hydrophobic
🗑
|
||||
| What is an unsaturated fat | Double covalent bond not all bonded to hydrogen very flexible fatty acid
🗑
|
||||
| Unsaturated fats hydrophilic or hydrophobic | Hydrophobic
🗑
|
||||
| Why are saturated fatty acid stiffer than unsaturated fats | All the spots are filled with hydrogen
🗑
|
||||
| What are some of the uses for steroids | Maintain growth and division, sex hormones, tissue metabolism, bile salts maintain plasma membrane
🗑
|
||||
| Are steroids hydrophilic or hydrophobic | Hydrophobic
🗑
|
||||
| What is cholesterol | A lipid. A steroid made in the liver used to make cell membranes amd hormones
🗑
|
||||
| Is cholesterol hydrophilic or hydrophobic | Hydrophobic
🗑
|
||||
| What are the two ways the body can obtain cholesterol | Diet and synthesis within the body
🗑
|
||||
| What is the construction of a phospholipid | Glycerol with 2 fatty acids, phosphate group
🗑
|
||||
| What part of a phospholipid is hydrophilic | Non-lipid heads
🗑
|
||||
| What part of a phospholipid is hydrophobic | Fatty acid tails
🗑
|
||||
| What are the basic functions of proteins | Support and structural, movement, transport, buffering, metabolic coordination and defense
🗑
|
||||
| What are the building blocks of proteins | Amino acids
🗑
|
||||
| What are peptide bonds | Covalent bonds that hydrogen bonds along the length of the chain
🗑
|
||||
| How do proteins get twisted | The hydrogen bonding how long the bond holds them to become twisted
🗑
|
||||
| What is denaturation | When proteins are destroyed
🗑
|
||||
| What causes denaturation | Heat acidic environment
🗑
|
||||
| What is an enzyme | A substance that helps speed up chemical reactions
🗑
|
||||
| What is enzymes functions | Lowers activation energy requirements
🗑
|
||||
| What is a substrate | What the chemical is going to be changed to by the enzyme
🗑
|
||||
| What is a product | What the chemical is called after it changed , what it becomes
🗑
|
||||
| What is a cofactor/coenzyme | Vitamins and minerals necessary for enzymes to work
🗑
|
||||
| What are some examples of cofactors and coenzymes | Iron zinc calcium magnesium and B vitamins
🗑
|
||||
| What is a nucleic acid | Chains or strands of proteins
🗑
|
||||
| What is a nucleic acid made out of | Nucleotides
🗑
|
||||
| What kind of chemical bond holds them | covalent bonds
🗑
|
||||
| What is the function of nucleic acid's | Store and transfer information at the mu macular lava that's necessary for protein synthesis in the cell
🗑
|
||||
| What are two nucleic acid's | DNA and RNA
🗑
|
||||
| What is the primary function of ATP | Stores and transfer energy from one mic molecule to another
🗑
|
||||
| What is ATP made out of | Three phosphate groups's plus a nuclear tide
🗑
|
||||
| What is AMP | Adenosine monophosphate
🗑
|
||||
| What is ADP | Adenosine diphosphate
🗑
|
||||
| Comparing ATP and ADP in AMP what's one contains the most potential energy | ATP
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
Ashleyzdanowicz18
Popular Anatomy sets