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Water
Macromolecules
Enzymes and bonds
Any topic
Any topic
100
Is vinegar pH = 2 a strong base, strong acid, weak base, weak acid
What is a strong acid?
100
These provide long term energy for cells
What are lipids?
100
These are bonds where atoms share electrons.
What is a covalent bond?
100
What macromolecule are sugars and starches?
What are carbohydrates?
100
This is made up of only one type of atom
What is an element?
200
These have lot of H+ (hydrogen) ions Choose from strong base, strong acid, weak base, weak acid
What is a strong acid?
200
Sugar or saccharides is the building block for what macromolecules?
What is carbohydrates?
200
In these bonds electrons move from one atom to another
What is an ionic bond?
200
Reactants are changed into different substances when bonds break and form during what?
What are chemical reactions?
200
This is made up of two or more types of elements, such as carbon and oxygen.
What is a compound?
300
Has a neutral pH of 7
What is water?
300
The monomers are amino acids
What are proteins?
300
Enzymes and substrates fit together like pieces of a _____
What is a puzzle?
300
In this reaction energy is released, reactants have more energy than products.
What is exothermic?
300
All macromolecules contain the elements hydrogen, oxygen and ____________.
What is carbon?
400
The ability of water to stick to itself is called ________.
What is cohesion?
400
This type of fat has no double bonds
What is unsaturated?
400
The place where a substrate attaches to an enzyme
What is an active site?
400
What decreases the activation energy needed for chemical reaction?
What is an enzyme?
400
In this type of reaction products have more energy than reactants
What is endothermic?
500
In hydrogen bonds between water molecules, the slightly negative oxygen is attracted to what?
What is positive hydrogen?
500
DNA and RNA
What are the 2 types of nucleic acids?
500
What do enzymes do to the speed of a reaction?
What is faster?
500
These are also called catalysts
What are enzymes?
500
What gives water many properties that are important to living organisms?
What are hydrogen bonds?