Science Biology Biochemistry
BIOD 101 Final
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WGU C785 Biochemistry Unit Exam ... DHN 311 exam 2 Biochem Module 3
67 terms Teacher 100 terms 248 terms
wanguinancy668 Preview collinsingati54 Preview John_Kamau554
Matter is anything that takes up space by having volume and
What is matter and what state mass
can it exist in?
matter can exist as a liquid, solid, or gas
essential elements are required for human life and are abundant
Explain the difference between
essential and trace elements
trace elements are required for human life but in small amounts
generated based on the attraction between oppositely charged
Describe an Ionic bond
particles
occurs when electrons are shared by two atoms to complete the
describe covalent bond
valence shell of both
Hydrogen bonds form between a hydrogen atom that has partial
positive charge and another atom, like oxygen or nitrogen,
describe hydrogen bond carrying partial negative charge.
relatively weak bond
True or False; If false, make the False
statement true: Anions are Anions are negatively charged ions and cations are positively
positively charged ions, and charged ions.
cations are negatively charged
ions.
Which of the following are not ribosomes
one of the organic compounds
that make up
biomacromolecules?
lipids, proteins, ribosomes, carbs
-carbohydrates are also referred to as sugar
What are carbohydrates -Carbohydrates are the main fuel source for organisms
-Carbohydrates are made up of carbon, hydrogen, and oxygen
, Why are lipids unique among Lipids are unique because they are insoluble in water.
the biomacromolecules?
Why are lipids insoluble in Lipids are insoluble in water because they are made up of
water? hydrocarbons which are are non-polar
A phospholipid contains a polar head connected to a non-polar
Describe the structure of a tail. The polar head contains a phosphate group and is
phospholipid. hydrophilic and the non-polar tail contains fatty acid chains and
is hydrophobic.
-act as enzymes and regulate metabolic functions
-form antibodies for immune defense
-act as transporters and form membrane channels
Name the functions of proteins
-form cell surface receptors to receive chemical messages
as mentioned in the module.
-store amino acids
-act as a hormone
-act as structural molecules for support and movement
Proteins form attachments and interact with other molecules. The
Describe how the shape of a
shape of a protein determines which molecules each protein can
protein is related to its function
interact with.
-DNA: responsible for storing all the genetic information needed
What are the roles of the two for an organism to develop, function, and reproduce
major types of nucleic acids? -RNA: responsible for translating the genetic information in DNA
and using it to synthesize proteins
Both structures are made up of a chain of nucleotides where the
sugar of one nucleotide is linked to the phosphate group of the
Describe the structure of DNA
next. Each nucleotide contains a nitrogen base, a phosphate
and RNA.
group and a sugar. DNA has two chains and forms a double
alpha helix. RNA has one chain and forms a single alpha helix.
Prokaryotic cells are small, simple cells, that do not contain a
What are some of the main
nucleus or organelles
differences between prokaryotic
Eukaryotic cells are larger, complex cells that contain a nucleus
and eukaryotic cells?
and organelles
What organelles of the cells are ribosomes
complexes of tiny manufacturing
plants that assemble proteins?
-Microfilament
What 3 types of protein fibers
-microtubules
make up the cytoskeleton?
-Intermediate filaments
Which type of cell junctions are tight junctions
mechanical structures that wrap
around the cell to prevent
extracellular fluid from leaking?
The cell membrane provides protection for the cell by
What is the purpose of the cell controlling what enters and exits the cell and by keeping the
membrane? intercellular substances separate from the extracellular
substances
-Active transport requires an input of energy to transport a
Explain the main difference
substance. Passive transport does not require an input of energy
between passive and active
to transport a substance.
transport and provide an
-Osmosis is a form of passive transport
example of each.
-Sodium-potassium pump is a form of active transport
BIOD 101 Final
Save
Students also studied
Flashcard sets Study guides
WGU C785 Biochemistry Unit Exam ... DHN 311 exam 2 Biochem Module 3
67 terms Teacher 100 terms 248 terms
wanguinancy668 Preview collinsingati54 Preview John_Kamau554
Matter is anything that takes up space by having volume and
What is matter and what state mass
can it exist in?
matter can exist as a liquid, solid, or gas
essential elements are required for human life and are abundant
Explain the difference between
essential and trace elements
trace elements are required for human life but in small amounts
generated based on the attraction between oppositely charged
Describe an Ionic bond
particles
occurs when electrons are shared by two atoms to complete the
describe covalent bond
valence shell of both
Hydrogen bonds form between a hydrogen atom that has partial
positive charge and another atom, like oxygen or nitrogen,
describe hydrogen bond carrying partial negative charge.
relatively weak bond
True or False; If false, make the False
statement true: Anions are Anions are negatively charged ions and cations are positively
positively charged ions, and charged ions.
cations are negatively charged
ions.
Which of the following are not ribosomes
one of the organic compounds
that make up
biomacromolecules?
lipids, proteins, ribosomes, carbs
-carbohydrates are also referred to as sugar
What are carbohydrates -Carbohydrates are the main fuel source for organisms
-Carbohydrates are made up of carbon, hydrogen, and oxygen
, Why are lipids unique among Lipids are unique because they are insoluble in water.
the biomacromolecules?
Why are lipids insoluble in Lipids are insoluble in water because they are made up of
water? hydrocarbons which are are non-polar
A phospholipid contains a polar head connected to a non-polar
Describe the structure of a tail. The polar head contains a phosphate group and is
phospholipid. hydrophilic and the non-polar tail contains fatty acid chains and
is hydrophobic.
-act as enzymes and regulate metabolic functions
-form antibodies for immune defense
-act as transporters and form membrane channels
Name the functions of proteins
-form cell surface receptors to receive chemical messages
as mentioned in the module.
-store amino acids
-act as a hormone
-act as structural molecules for support and movement
Proteins form attachments and interact with other molecules. The
Describe how the shape of a
shape of a protein determines which molecules each protein can
protein is related to its function
interact with.
-DNA: responsible for storing all the genetic information needed
What are the roles of the two for an organism to develop, function, and reproduce
major types of nucleic acids? -RNA: responsible for translating the genetic information in DNA
and using it to synthesize proteins
Both structures are made up of a chain of nucleotides where the
sugar of one nucleotide is linked to the phosphate group of the
Describe the structure of DNA
next. Each nucleotide contains a nitrogen base, a phosphate
and RNA.
group and a sugar. DNA has two chains and forms a double
alpha helix. RNA has one chain and forms a single alpha helix.
Prokaryotic cells are small, simple cells, that do not contain a
What are some of the main
nucleus or organelles
differences between prokaryotic
Eukaryotic cells are larger, complex cells that contain a nucleus
and eukaryotic cells?
and organelles
What organelles of the cells are ribosomes
complexes of tiny manufacturing
plants that assemble proteins?
-Microfilament
What 3 types of protein fibers
-microtubules
make up the cytoskeleton?
-Intermediate filaments
Which type of cell junctions are tight junctions
mechanical structures that wrap
around the cell to prevent
extracellular fluid from leaking?
The cell membrane provides protection for the cell by
What is the purpose of the cell controlling what enters and exits the cell and by keeping the
membrane? intercellular substances separate from the extracellular
substances
-Active transport requires an input of energy to transport a
Explain the main difference
substance. Passive transport does not require an input of energy
between passive and active
to transport a substance.
transport and provide an
-Osmosis is a form of passive transport
example of each.
-Sodium-potassium pump is a form of active transport
