Exam Prep) | ECPI A&P Study Guide & Verified
Q&A
Elements differ from one another by their number of - correct answerProtons
A solution with a pH is - correct answerstrongly basic
How many fatty acids are bonded to a glycerol molecule to produce a lipid ( a
triglyceride) - correct answer3
Neucleotides - correct answercan be linked together to form a double helix
contain phosphate groups
contain sugar molecules
contain nitrogenous bases
Which of the following is the most basic level of chemical organization? - correct
answerAtoms
What is not a lipid? - correct answercellulose
Which of the following is an amino group? - correct answer-NH2
When full, the outermost electron shell of an atom contains _______ electrons, and the
innermost shell contains __________ electrons. - correct answer8 in the outermost and
2 in the innermost.
In which form are carbohydrates stored in animals? - correct answerGlycogen
Which of the following is not a polysaccharide? - correct answerSucrose
Fatty acids with all single bonds between their carbons are? - correct answersaturated
Compounds composed of only hydrogen and carbon are called - correct
answerhydrocarbons
The atomic number of an atom is? - correct answerThe number of protons in the atom
Which of the following is NOT a characteristic of all living organisms? - correct
answermulticellularity
A major type of lipid found in cell membranes is - correct answerphospholipids
, Which of the following is not part of a nucleotide? - correct answerSalt
A polar covelant bond occurs when - correct answer
An atom is most stable when? - correct answerthe outer electron shell or energy level is
full.
What is not a type of atomic bonding? - correct answerSystemic
Any chemical interaction between atoms? - correct answerinvolves only valence
electrons.
Proteins are polymers that contain monomeric subunits called? - correct answeramino
acids
What does matter do? - correct answerOccupies space
has mass
is composed of elements
is what life is composed of
Which of the following represents the pattern of energy flow within an ecosystem? -
correct answerProducers, consumers, Decomposers
Amino acids differ from one another by the - correct answerchemical properties in the R
group
The storage form of carbohydrates in a plant is - correct answerstarch
Which of the following is not a type of nucleic acid? - correct answerenzymes
If a compound is water-loving then it is said to be? - correct answerhydrophilic
The atom oxygen contains 8 electrons, 8 protons, and 8 neutrons. What is the atomic
number of oxygen? - correct answer8
The representation H-O-H is known as? - correct answera structural formula
You now know that the old cliche' oil and water dont mix is true. Why? - correct
answerWater exhibits polarity and oil does not
An atom has six protons and eight neutrons. Its atomic mass is ______ atomic mass
units. - correct answerfourteen
Starch, glycogen, and cellulose are all characterized as? - correct
answerpolysacchrides