15287372
Descripción
Test por Jessica Dewald, actualizado hace 4 meses
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Creado por Jessica Dewald
hace casi 6 años
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Pregunta 1
Pregunta
If you wanted to get a lot of quick energy before a soccer match, which macromolecule would your body need to break down?
Respuesta
-
Protein
-
Nucleic Acid
-
Carbohydrate
-
Lipid
Pregunta 2
Pregunta
Which type of atom is not found in lipids?
Respuesta
-
carbon
-
phosphorous
-
hydrogen
-
oxygen
Pregunta 3
Pregunta
Unlike saturated fatty acids, unsaturated fatty acids contain what kind of bonds between carbon atoms?
Respuesta
-
double
-
single
-
hydrogen
-
covalent
Pregunta 4
Pregunta
Unlike saturated fatty acids, unsaturated fatty acids contain what kind of bonds between carbon atoms?
Respuesta
-
double
-
single
-
hydrogen
-
covalent
Pregunta 5
Pregunta
Which are examples of carbohydrates?
Respuesta
-
starch, glucose, fructose
-
cellulose, glycogen, protease
-
cholesterol, wax, carcinogen
-
trypsin, lipase, testosterone
Pregunta 6
Pregunta
What is the function of lipids?
Respuesta
-
used as cell receptors, enzymes, and transport molecules in the human body
-
used as the main energy source for plants
-
stores hereditary information in bacteria
-
used as insulation for marine arctic animals
Pregunta 7
Pregunta
An enzyme _____ the activation energy needed to achieve a chemical reaction.
Respuesta
-
stabilizes
-
raises
-
lowers
-
eliminates
Pregunta 8
Pregunta
An appropriate enzyme to catalyze a reaction involving the imaginary substance camelsine would be ___.
Respuesta
-
camelose
-
cameline
-
camelise
-
camelase
Pregunta 9
Pregunta
Nucleotides consist of which three structures?
Respuesta
-
amino acids, lipids, and carbohydrates
-
a sugar, a phosphate, and a nitrogen base
-
glycerol, lipid, triglyceride
-
adenine, cytosine, guanine
Pregunta 10
Pregunta
What elements are found in all organic molecules?
Respuesta
-
carbon and oxygen
-
carbon and nitrogen
-
carbon and hydrogen
-
hydrogen and oxygen
Pregunta 11
Pregunta
The charge of the oxygen atom that makes up water is slightly ___.
Respuesta
-
positive
-
negative
-
unstable
-
neutral
Pregunta 12
Pregunta
The four organic macromolecules of life include all of the following EXCEPT
Respuesta
-
proteins
-
nucleic acids
-
carbohydrates
-
salts
-
lipids
Pregunta 13
Pregunta
The breakdown of polymers into monomers occurs through a process known as
Respuesta
-
dehydration synthesis
-
condensation reaction
-
capillary action
-
hydrolysis
Pregunta 14
Pregunta
When many monomers are linked they make up a [blank_start]polymer[blank_end].
Respuesta
-
polymer
Pregunta 15
Pregunta
A large polymer is also called a/an
Respuesta
-
macromolecule
-
enzyme
-
polysaccharide
-
monomer
Pregunta 16
Pregunta
A substance that produces an excess of hydroxide (OH-) ions in water is a [blank_start]base[blank_end].
Respuesta
-
base
Pregunta 17
Pregunta
Water is classified as a [blank_start]polar[blank_end] molecule because it has a negatively charged oxygen and positively charged hydrogens.
Respuesta
-
polar
Pregunta 18
Pregunta
Glycogen (storage form of glucose molecules in animals), starch (storage form of glucose in plants), and cellulose (glucose monomer chain that gives rigidity to plants) are all called:
Respuesta
-
polypeptides
-
polysaccharides
-
monosaccharides
-
polyanna
Pregunta 19
Pregunta
A substance that produces an excess of hydrogen (H+) ions in water is a(n) [blank_start]acid[blank_end].
Respuesta
-
acid
Pregunta 20
Pregunta
Select all the elements that are found in lipids.
Respuesta
-
carbon
-
oxygen
-
hydrogen
-
sulur
-
Nitrogen
-
Phosphorous
Pregunta 21
Pregunta
Which macromolecule includes fats, oils, waxes, phospholipids, and steroids.
Respuesta
-
lipids
-
proteins
-
carbohydrates
-
nucleic acids
Pregunta 22
Pregunta
Plants store glucose in the form of a polysaccharide called cellulose.
Respuesta
- True
- False
Pregunta 23
Pregunta
The term hydrophobic means water fearing.
Respuesta
- True
- False
Pregunta 24
Pregunta
Which of the following sugars is a disaccharide?
Respuesta
-
glucose
-
sucrose
-
fructose
-
starch
Pregunta 25
Pregunta
The type of bond which holds water molecules to each other is called a [blank_start]hydrogen bond.[blank_end]
Respuesta
-
hydrogen bond
Pregunta 26
Pregunta
A pH of 7 signifies?
Respuesta
-
a salt solution
-
an acidic solution
-
a neutral solution
-
a basic solution
Pregunta 27
Pregunta
The polar compound which is the universal solvent and has the unique properties of adhesion, capillary action, and cohesion is [blank_start]water[blank_end].
Respuesta
-
water
Pregunta 28
Pregunta
Lipids that are solid at room temperature are usually saturated.
Respuesta
- True
- False
Pregunta 29
Pregunta
The process by which monomers link together to form polymers is called the ____.
Respuesta
-
polarization
-
hydrolysis
-
dehydration synthesis
-
hydrolization
Pregunta 30
Pregunta
Which of the following is NOT a property of water?
Respuesta
-
nonpolar
-
cohesion
-
hydrogen bonding
-
capillary action
-
adhesion
Pregunta 31
Respuesta
-
amino
-
alcohol
-
carboxyl
-
hydroxyl
Pregunta 32
Pregunta
Glucose, fructose and galactose are simple sugars also known as:
Respuesta
-
monosaccharides
-
polysaccharides
-
monopeptides
-
polymers
Pregunta 33
Pregunta
A protein catalyst that speeds up the chemical reaction within an organism
Respuesta
-
homeostasis
-
protein
-
enzyme
-
metabolism
Pregunta 34
Pregunta
Macromolecules that include sugars, starches, and cellulose
Respuesta
-
proteins
-
nucleic acids
-
lipids
-
carbohydrates
Pregunta 35
Pregunta
Large complex molecules composed of many smaller molecules called amino acids are
Respuesta
-
lipids
-
carbohydrates
-
nucleic acids
-
proteins
Pregunta 36
Pregunta
Which of the following is NOT one of the elements found in macromolecules?
Respuesta
-
nitrogen, N
-
hydrogen, H
-
carbon, C
-
oxygen, O
-
calcium, Ca
Pregunta 37
Pregunta
Which functional group is shown in this compound?
Respuesta
-
hydrocarbon
-
alcohol
-
carboxyl
-
amino
Pregunta 38
Pregunta
What is the function of protein molecules?
Respuesta
-
used as cell receptors, enzymes, and transport molecules in the human body
-
Insulation in animals.
-
Quick source of energy
-
Storing genetic information
Pregunta 39
Respuesta
-
carboxyl
-
hydroxyl
-
phosphate
-
amino
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