BIOLOGICAL MOLECULES - TEST QUESTIONS
Macromolecules Structure and Function -- Block 1, 2005 -- Name:
Hydrolysis could be correctly described as the
A heating of a compound to drive off its excess water and concentrate its volume
B breaking of a long-chain compound into its subunits by adding water molecules to its structure between the subunits
C linking of two or more molecules by the removal of one or more water molecule
D constant removal of hydrogen atoms from the surface of a carbohydrate
E none of the above
The formation of large molecules from small repeating units is accomplished by a(n) ______ reaction.
A B oxidation
C reduction
D dehydration
E hydrolysis
F decarboxylation
A dehydration reaction typically produces:
A B monomers
C salts
D sugars
E polymers
F amino acids
A macromolecule is composed of smaller units called:
A B polymers
C cells
D isomers
E monomers
F isotopes
Which of the following is not a macromolecule?
A B protein
C starch
D nucleotide
E lipid
F DNA
A(n) ____________ is a basic unit of a carbohydrate.
A B monosaccharide
C starch
D nucleotide
E glycerol
F amino acids
Which of the following includes all the others?
A B sucrose
C glucose
D cellulose
E glycogen
F carbohydrate
Which of the following is not a monosaccharide?
A B glucose
C fructose
D deoxyribose
E starch
F ribose
ORGANIC COMPOUNDS that are composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio are called:
A B proteins
C nucleotides
D sugars
E fatty acids
F nucleic acids
STARCH and CELLULOSE are ALIKE in that both are:
A composed of covalently bonded glucose molecules
B found only in animal cells
C contain sugars bonded together in identical ways
D contain non-polar, fatty acid side chains
E made up of sugars that contain carbon, hydrogen, oxygen, and nitrogen
A CARBOHYDRATE (polysaccharide) that makes PLANT CELLS and tissues STRUCTURALLY RIGID is:
A B sucrose
C glycogen
D starch
E cellulose
F nucleotides
A carbohydrate (polysaccharide) that is formed by plants and used later by the plant as a reserve food supply and made up of only glucose molecules covalently bonded together is:
A B cellulose
C starch
D glycogen
E triglycerides
F sucrose
In a lipid bilayer ___________ tails point inward and form a region that excludes water.
A B acidic
C basic
D hydrophilic
E hydrophobic
F none of these
Lipids
A serve as food reserves in many organisms
B include cartilage and chitin
C include fats that are broken down into one fatty acid molecule and three glycerol molecules
D are composed of monosaccharides
E none of the above
What type of LIPIDS are found in ALL biological MEMBRANES?
A B triglycerides
C waxes
D phospholipids
E diglycerides
F cholesterol
Unlike the saturated fatty acids, UNSATURATED FATTY ACIDS: are found mostly in animal fats and oils
A contain hydrogen, carbon, nitrogen, and oxygen
B are often covalently bonded to sugars
C lack of carboxyl group
D contain double covalent bonds between carbons in their hydrocarbon chain.
Amino acids are the building blocks for
A B proteins
C steroids
D lipids
E nucleic acids
F carbohydrates
The sequence of amino acids is the ___________ structure of proteins.
A B primary
C secondary
D tertiary
E quaternary
F stereo
Of the following functional groups, which one is known as the AMINO GROUP?
A B -SH
C -COOH
D -NH2
E -OH
F -CHO
Nucleotides are the building blocks for
A B proteins
C steroids
D lipids
E RNA
F carbohydrates
Nucleotides are composed of a(an): A. AMINO ACID, B. NITROGEN-CONTAINING BASE, C. FATTY ACID, D. 5-CARBON SUGAR, E. PHOSPHATE MOLECULE.
A B B, D, C
C A, D, E
D C, D, E
E B, D, E
F A, B, C.
Nucleotides contain ___________ sugars.
A B three-carbon
C four-carbon
D five-carbon
E six-carbon
F seven-carbon
DNA and RNA are examples of which FAMILY of BIOLOGICAL MOLECULES?
A B proteins;
C carbohydrates
D lipids
E amino acids
F nucleic acids
Draw the structure of an amino acid.
................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.
Related searches
- test questions for photosynthesis
- photosynthesis test questions and answers
- grammar test questions and answers
- photosynthesis test questions middle school
- biology test questions about photosynthesis
- english test questions and answers
- esl 154 test questions review
- biology test questions about photosynthe
- biology test questions about photosynth
- biology test questions and answers
- english grammar test questions and answ
- english grammar test questions and answers