Gen Bio 1 CPCC (Unit 1) questions with verified answers
____ are membrane-bound sacs with a variety of functions in cells.
- Ribosomes
- Vacuoles
- Vesicles Ans✓✓✓ Vesicles
-Note: Vacuoles (not vesicles) are specialized membrane-bound sacs
found only in plants and with limited function
_____ are found in practically every cell, both prokaryotic and
eukaryotic.
- Mitochondria
- Nuclei
- Ribosomes Ans✓✓✓ Ribosomes
_____ are often used in conjunction with light microscopes to allow
scientists to distinguish the different components of cells.
- Beams of electrons
- Radioactive isotopes
- Special stains Ans✓✓✓ Special stains
,_____ in the body affect blood pH by creating bicarbonate when the pH
needs to be lowered.
- Buffers
- Acids
- Bases Ans✓✓✓ buffers
-Note: Buffers will work to stabilize the pH in whatever direction is
needed
______ are always formed of ________ in a 9+2 array.
- Flagella and cilia; microtubules
- Keratin; intermediate filaments
- Actin; microfilaments Ans✓✓✓ Flagella and cillia; microtubules
______ are composed of a long chain of hydrocarbons to which a
carboxyl group is attached.
- Fatty acids
- Waxes
- Steroids Ans✓✓✓ Fatty acids
, -Note: steroids are composed of fused ring structures
______ are predominantly responsible for breaking down fatty acids
and amino acids.
- Lysosomes
- Ribosomes
- Peroxisomes Ans✓✓✓ Peroxisomes
______ increases the rate at which a chemical reaction occurs?
Ans✓✓✓ enzymes
______ reactions are the primary method by which macromolecules
are formed.
- Dehydration
- Cleavage
- Hydrolysis Ans✓✓✓ Dehydration
_______ function as part of the endomembrane system involved in
pathogen destruction.
____ are membrane-bound sacs with a variety of functions in cells.
- Ribosomes
- Vacuoles
- Vesicles Ans✓✓✓ Vesicles
-Note: Vacuoles (not vesicles) are specialized membrane-bound sacs
found only in plants and with limited function
_____ are found in practically every cell, both prokaryotic and
eukaryotic.
- Mitochondria
- Nuclei
- Ribosomes Ans✓✓✓ Ribosomes
_____ are often used in conjunction with light microscopes to allow
scientists to distinguish the different components of cells.
- Beams of electrons
- Radioactive isotopes
- Special stains Ans✓✓✓ Special stains
,_____ in the body affect blood pH by creating bicarbonate when the pH
needs to be lowered.
- Buffers
- Acids
- Bases Ans✓✓✓ buffers
-Note: Buffers will work to stabilize the pH in whatever direction is
needed
______ are always formed of ________ in a 9+2 array.
- Flagella and cilia; microtubules
- Keratin; intermediate filaments
- Actin; microfilaments Ans✓✓✓ Flagella and cillia; microtubules
______ are composed of a long chain of hydrocarbons to which a
carboxyl group is attached.
- Fatty acids
- Waxes
- Steroids Ans✓✓✓ Fatty acids
, -Note: steroids are composed of fused ring structures
______ are predominantly responsible for breaking down fatty acids
and amino acids.
- Lysosomes
- Ribosomes
- Peroxisomes Ans✓✓✓ Peroxisomes
______ increases the rate at which a chemical reaction occurs?
Ans✓✓✓ enzymes
______ reactions are the primary method by which macromolecules
are formed.
- Dehydration
- Cleavage
- Hydrolysis Ans✓✓✓ Dehydration
_______ function as part of the endomembrane system involved in
pathogen destruction.
