Set 8 - Chapter 3 - Molecules of Biology - Princeton

celine's version from 2018-02-08 03:38

Section 1

Question Answer
Water (H2O) is an __________ compound.inorganic
Cl2 __________ a compoundis not
H2O __________ a
Methane (CH4) is an __________]
Cl2 __________ a
Carbon dioxide (CO2) is an __________compound.inorganic
Products are found on the __________side of the arrow in a chemical reaction.right
The bond that holds two amino acids together is called a __________bond.peptide
The assembly of a protein from its amino acid constituents __________of water and is called _______________.removal, dehydration
An amino acid is a __________of a protein.monomer
Because proteins are essentially chains of amino acids linked together by ________________ bonds, a protein might also be called a __________________peptide, polypeptide
The disassembly of a protein into its component amino acids is called __________________ and involves the__________of water.hydrolysis, addition
Starch serves as a means of storing glucose in __________plants
A molecule of maltose is formed from two molecules of __________.glucose
Glucose and fructose __________identical molecules.are not
A molecule of glucose and a molecule of fructose, both of which are _________________________, combine to form a molecule of ____________, which is a _______________.monosaccharides, sucrose, disaccharide
Cellulose is a ___________polysaccharide
Glycogen serves as a means for storing glucose in __________animals
The chemical formula for both glucose and fructose is ___________.C6H12O6
The chemical formula for sucrose is _____________C12H22O11
Cellulose and glycogen differ in the way that ___________________molecules are bonded together.glucose
The chemical formulas for sucrose and maltose___________________identical.are
Triglycerides are made of one molecule of _____________________and three _________________glycerol, fatty acids
Lipids in general are__________________hydrophobic
The primary lipid found in cell membranes is _____________phospholipid
Steroid hormones are derived from _____________cholesterol
Steroid hormones _____________hydrophobic.are
Fats are stored in the body in the form of _____________________.triglycerides
The fact that double-stranded DNA forms a double helix was discovered by __________________ and __________________.Watson and Crick
The four DNA nucleotide bases are ______________________, ______________________, _______________________, and _______________________.adenine, thymine, cytosine,and guanine .
RNA______________________a double-stranded not
RNA nucleotides_____________________contain the exact same bases as DNA not
In DNA, guanine forms a base pair with ______________________, whereas adenine forms a base pair with _______________________.cytosine, thymine
The nucleic acid “backbone” is made up of ____________________and _________________________.sugar and phosphate
The sugar in DNA is____________________deoxyribose
In RNA, adenine can form a base pair with ____________________.uracil

Section 2

Question Answer
______________are the fundamental units of the physical world and combine in chemical reactions to form ____________________.Atoms, molecules
An ______________ is any substance that cannot be broken into simpler substances.element
If two or more elements are combined, they form a ______________.compound
The four biologically important macromolecules are ______________, ______________, ______________, and ______________.proteins, carbohydrates, lipids, and nucleic acids.
______________ are polymers of amino acids. Each of the 20 amino acids has a basic backbone structure with one different ______________.Proteins, R-group
______________ are made of only carbon, oxygen, and hydrogen. Common carbohydrates include monosaccharides (like glucose and fructose), disaccharides (like sucrose and maltose), and polysaccharides (like glycogen, starch, and cellulose).Carbohydrates
Lipids are composed of ______________ linked to each other. A hydrocarbon is a carbon atom with two hydrogen atoms bonded to it.hydrocarbons
The most common forms of lipids are ______________, ______________, and ______________triglycerides, phospholipids, cholesterol
______________ are biologically important macromolecules that are found in the nucleus of every cell.Nucleic acids
______________ and ______________ are the nucleic acids that make life possible.DNA and RNA