20 questions
Which substance is an organic molecule?
O2 (Oxygen Gas)
C6H12O6 (Glucose)
NaCl (Sodium Chloride)
H2O (Water)
What elements are Proteins composed of?
C and H
C, H, and O
C, H, O, N, and P
C, H, O, N, and S
The breakdown of a disaccharide into 2 molecules (requiring H2O) is called?
Photosynthesis
Dehydration Synthesis
Hydrolysis
Respiration
A substance with pH 2 is considered
acidic, and 10x less acidic than pH 3
basic, and 10x less basic than pH 3
acidic, and 10x more acidic than pH 3
basic, and 10x less basic than pH 3
The property of water that allows it to climb thin tubes or narrow spaces is called?
Capillary action
Cohesion
Surface Tension
Adhesion
Phosphate heads are best described as
Hydrophobic
Hydrolysis
Hydrophilic
Hydrogen
Is water a polar molecule?
Yes
No
Phospholipid bilayers are the primary components of
Cell Walls
Cytoplasm
Ribosomes
Cell Membranes
Covalent bonds _____ electrons
Share 2
Transfer 1
Destroy 1
Create 2
Water molecularly "sticking" to other water molecules is called
Adhesion
Capillary Action
Cohesion
Surface Tension
The formation of a Triglyceride molecule requires 1 glycerol and 3 Fatty Acids; the reaction produces 3 H2O nolecules and is called
Hydrolysis
Dehydration Synthesis
Hydrophilic
Genetic Mutation
Propane is an example of a
Hydrocarbon
Lipid
Protein
Carbohydrate
What is the simplest organic molecule in the universe?
Propane
Methane
Butane
Octane
Organic molecules contain (at least) the elements
Nitrogen and Oxygen
Phosphorous and Sulfur
Carbon and Hydrogen
Oxygen and Hydrogen
Fatty acid tails are best described as
Hydrolysis
Hydrogen
Hydrophobic
Hydrophilic
Adhesion is a property of water described as
water molecularly "sticking" to other water molecules
water climbing thin tubes or narrow spaces
the layer of resistance of water molecules
water molecularly "sticking" to other polar substances
Acids
taste bitter
taste sour
feel like water
feel slimy
What number indicates a substance with equal [H+] and [OH-]?
6
1
7
14
What is another name for a proton?
Electron
Nucleic Acid
Hydrogen Ion
Neutron
What element do nucleic acids NOT contain?
Phosphorous
Nitrogen
Carbon
Sulfur