POB FINAL (UARK, SHADWICK) QUESTIONS &
ANSWERS
Which of the following includes prokaryotes?
A. Protists
B. Fungi
C. Archea
D. Plants - answers :archea
The term "supergroup" is used in the classification of what? - answers :eukaryotes
Atomic number tells you... - answers :number of protons
Isotopes differ in their... - answers :number of neutrons
An atom that has 2 electrons in the valence shell would most likely... - answers :lose
those 2 electrons and becomes positive
When an atom gains electrons it becomes... - answers :negatively charged
Unequal sharing of electrons - answers :polar covalent bond
True/false: are carbon atoms ionic? - answers :false
What reaction combines 2 monomers to make a polymer? - answers :dehydration
Monomers of carbohydrates - answers :monosaccharides
Fructose and galactose are both isomers of... - answers :glucose
A fatty acid is unsaturated if it... - answers :contains carbon-carbon double bonds
True/false: are phospholipids energy-storing molecules? - answers :false
Lipid that contains 4 fused carbon rings - answers :steroid
Chemical differences between amino acids are due to... - answers :r group
Which level of protein structure is determined by interactions of more than one
polypeptide chain? - answers :quaternary
What is formed by the linking of two amino acids? - answers :peptide bond
True/false: nucleotides are the monomers of fats and polysaccharides. - answers :false
, True/false: atp is a high-energy molecule that can break down to adp and phosphate. -
answers :true
The gradual strengthening of stimulus-response connections that seemingly unrelated -
answers :classical conditioning
If the size of a cell decreases, the ratio of its surface area to volume does what? -
answers :increases
Which organelle is not found in a prokaryotic cell? - answers :nucleus
Involved in the movement of a prokaryotic cell - answers :flagella
Small circular pieces of dna found in the cytoplasm of a prokaryotic cell - answers
:plasmids
Combination of dna and protein in the nucleus of a eukaryotic cell - answers :chromatin
Organelle that acts as a processing center for vesicles leaving the endoplasmic
reticulum - answers :golgi apparatus
Digestive organelle that may also be used to recycle the internal components of a cell -
answers :lysosome
Component of the cytoskeleton that is located just under the plasma membrane of a
eukaryotic cell - answers :actin filaments
Centrosomes and centrioles act as organizing centers for which component of the
cytoskeleton? - answers :microtubules
Deals with the origins of mitochondria and chloroplasts - answers :endosymbiotic theory
According to the endosymbiotic theory, what did chloroplasts originally come from? -
answers :photosynthetic bacteria
In the fluid-mosaic model, the fluid properties are associated with the nature of what? -
answers :phospholipids
In the fluid-mosaic model, the mosaic pattern is established by what? - answers
:embedded proteins
True/false: proteins present in the plasma membrane produce lipid molecules. -
answers :false
Carbohydrate chains projecting from the plasma membrane are involved in what? -
answers :1. Adhesion between cells
ANSWERS
Which of the following includes prokaryotes?
A. Protists
B. Fungi
C. Archea
D. Plants - answers :archea
The term "supergroup" is used in the classification of what? - answers :eukaryotes
Atomic number tells you... - answers :number of protons
Isotopes differ in their... - answers :number of neutrons
An atom that has 2 electrons in the valence shell would most likely... - answers :lose
those 2 electrons and becomes positive
When an atom gains electrons it becomes... - answers :negatively charged
Unequal sharing of electrons - answers :polar covalent bond
True/false: are carbon atoms ionic? - answers :false
What reaction combines 2 monomers to make a polymer? - answers :dehydration
Monomers of carbohydrates - answers :monosaccharides
Fructose and galactose are both isomers of... - answers :glucose
A fatty acid is unsaturated if it... - answers :contains carbon-carbon double bonds
True/false: are phospholipids energy-storing molecules? - answers :false
Lipid that contains 4 fused carbon rings - answers :steroid
Chemical differences between amino acids are due to... - answers :r group
Which level of protein structure is determined by interactions of more than one
polypeptide chain? - answers :quaternary
What is formed by the linking of two amino acids? - answers :peptide bond
True/false: nucleotides are the monomers of fats and polysaccharides. - answers :false
, True/false: atp is a high-energy molecule that can break down to adp and phosphate. -
answers :true
The gradual strengthening of stimulus-response connections that seemingly unrelated -
answers :classical conditioning
If the size of a cell decreases, the ratio of its surface area to volume does what? -
answers :increases
Which organelle is not found in a prokaryotic cell? - answers :nucleus
Involved in the movement of a prokaryotic cell - answers :flagella
Small circular pieces of dna found in the cytoplasm of a prokaryotic cell - answers
:plasmids
Combination of dna and protein in the nucleus of a eukaryotic cell - answers :chromatin
Organelle that acts as a processing center for vesicles leaving the endoplasmic
reticulum - answers :golgi apparatus
Digestive organelle that may also be used to recycle the internal components of a cell -
answers :lysosome
Component of the cytoskeleton that is located just under the plasma membrane of a
eukaryotic cell - answers :actin filaments
Centrosomes and centrioles act as organizing centers for which component of the
cytoskeleton? - answers :microtubules
Deals with the origins of mitochondria and chloroplasts - answers :endosymbiotic theory
According to the endosymbiotic theory, what did chloroplasts originally come from? -
answers :photosynthetic bacteria
In the fluid-mosaic model, the fluid properties are associated with the nature of what? -
answers :phospholipids
In the fluid-mosaic model, the mosaic pattern is established by what? - answers
:embedded proteins
True/false: proteins present in the plasma membrane produce lipid molecules. -
answers :false
Carbohydrate chains projecting from the plasma membrane are involved in what? -
answers :1. Adhesion between cells
