Module 2 Flashcards
When atoms fill their outer shells by sharing electrons, the result is what type of bond?
Covalent
Decomposition reactions of complex molecules within cells are referred to as what?
Catabolism
Which property of water accounts for the cooling effect of perspiration?
High heat capacity
What is a substance that dissociates in solution to release hydrogen ions (H+)?
Acid
Any chemical substance made up of 2 or more elements is a/an?
Compound
The break down if sucrose into simple sugars is an example of?
Hydrolysis (decomposition)
Which subatomic particle will vary in different isotopes of an atom?
Neutrons
Which element has the symbol Fe and is important in oxygen transport?
Iron
Which element will form polar covalent bond with oxygen to water?
Hydrogen
When atoms are attracted by opposite charges, what type of bond do they form?
Ionic
What term is used to refer to stored energy?
Potential
How do enzymes speed up chemical reactions?
Lower activation energy
What is not a characteristic of water?
Low heat capacity
What substance will break apart in water?
Sodium chloride
What is the normal pH of blood?
7.35-7.45
Weakly alkaline/basic
What is an example of a monosaccharide?
Glucose
What component is found in DNA but not RNA?
Thymine