UMKC BIO 108 Unit 1 (Benevides Bio 108 Unit 1- Weeks 1-
3 - Ch. 2-7) Questions With Complete Solutions
All organisms are composed of what? Correct Answer Matter
Cells are made up of what percent of water? Correct Answer
70-95%
Distinctive properties of organic molecules depend not only on
carbon skeletons but also this. Correct Answer functional
groups attached to it which effect the sexual characteristics of
male and female vertebrates
Do ions form from covalent or ionic bonds? Correct Answer
ionic bonds
Does water have a high or low heat of vaporization? Correct
Answer high (580cal 1g at 25ºC)
Electrons can change shells by absorbing or losing energy in
what amounts? Correct Answer exact amounts i.e. they can't
stop in between shells
How are hydronium ions (H3O+) and hydroxide ions (OH-)
formed? Correct Answer hydrogen atom in a hydrogen bond
between 2 water molecules shift from 1 molecule to the other
How are monosaccharides classified? Correct Answer
location of the carbonyl group and number of carbons in the
carbon skeleton
,How do you find the concentration from pH? Correct Answer
10^-pH
How do you find the pH from a concentration? Correct Answer
-log(M)
How does water dissolve nonionic compounds? Correct
Answer hydrogen bonds form from the water ripping the
compounds apart
How is energy defined? Correct Answer capacity to cause
change by doing work
How is heat released and absorbed by water? Correct Answer
released when hydrogen bonds form and absorbed when
hydrogen bonds break
How is the structure and function of a polysaccharide
determined? Correct Answer sugar monomers and position of
glycosidic linkages
How many amino acids are there? Correct Answer 20
How many electrons can be stored in all other shells except the
first? Correct Answer 8
How many electrons can be stored in the first shell? Correct
Answer 2
How many electrons can occupy an orbital? Correct Answer
no more than 2
, How many elements are essential to life? Correct Answer
About 25 of the 92
How to electrons have potential energy? Correct Answer
because of how they are arranged in relation to the nucleus
In living cells what are the most common electronegative
partners? Correct Answer oxygen and nitrogen
Is the molecular mass and molar mass the same? Correct
Answer yes just switch Da to g
Is waters's specific heat high or low? Correct Answer high
(1cal/gºC)
Living organisms are made up of chemicals that are mainly what
based? Correct Answer carbon
Matter is Correct Answer anything that takes up space and has
mass
Organic chemistry is the study of what? Correct Answer
carbon compounds
What 2 compartments are made from the cristae in
mitochondria? Correct Answer intermembrane space,
mitochondrial matrix
What 2 subatomic particles are found in the nucleus? Correct
Answer Protons+, neutrons
3 - Ch. 2-7) Questions With Complete Solutions
All organisms are composed of what? Correct Answer Matter
Cells are made up of what percent of water? Correct Answer
70-95%
Distinctive properties of organic molecules depend not only on
carbon skeletons but also this. Correct Answer functional
groups attached to it which effect the sexual characteristics of
male and female vertebrates
Do ions form from covalent or ionic bonds? Correct Answer
ionic bonds
Does water have a high or low heat of vaporization? Correct
Answer high (580cal 1g at 25ºC)
Electrons can change shells by absorbing or losing energy in
what amounts? Correct Answer exact amounts i.e. they can't
stop in between shells
How are hydronium ions (H3O+) and hydroxide ions (OH-)
formed? Correct Answer hydrogen atom in a hydrogen bond
between 2 water molecules shift from 1 molecule to the other
How are monosaccharides classified? Correct Answer
location of the carbonyl group and number of carbons in the
carbon skeleton
,How do you find the concentration from pH? Correct Answer
10^-pH
How do you find the pH from a concentration? Correct Answer
-log(M)
How does water dissolve nonionic compounds? Correct
Answer hydrogen bonds form from the water ripping the
compounds apart
How is energy defined? Correct Answer capacity to cause
change by doing work
How is heat released and absorbed by water? Correct Answer
released when hydrogen bonds form and absorbed when
hydrogen bonds break
How is the structure and function of a polysaccharide
determined? Correct Answer sugar monomers and position of
glycosidic linkages
How many amino acids are there? Correct Answer 20
How many electrons can be stored in all other shells except the
first? Correct Answer 8
How many electrons can be stored in the first shell? Correct
Answer 2
How many electrons can occupy an orbital? Correct Answer
no more than 2
, How many elements are essential to life? Correct Answer
About 25 of the 92
How to electrons have potential energy? Correct Answer
because of how they are arranged in relation to the nucleus
In living cells what are the most common electronegative
partners? Correct Answer oxygen and nitrogen
Is the molecular mass and molar mass the same? Correct
Answer yes just switch Da to g
Is waters's specific heat high or low? Correct Answer high
(1cal/gºC)
Living organisms are made up of chemicals that are mainly what
based? Correct Answer carbon
Matter is Correct Answer anything that takes up space and has
mass
Organic chemistry is the study of what? Correct Answer
carbon compounds
What 2 compartments are made from the cristae in
mitochondria? Correct Answer intermembrane space,
mitochondrial matrix
What 2 subatomic particles are found in the nucleus? Correct
Answer Protons+, neutrons
