BIOD 101 FINAL EXAM
_____ refers to a reaction that occurs when a biomacromolecule is degraded into two or more
monomers and, as a part of the reaction, a molecule of water is gained. - CORRECT ANSWER -
Hydrolysis
______ is characterized by a ligand traveling a short distance to the target cell. This type of
signaling is important in development and for the secretion of growth factors. - CORRECT
ANSWER - Paracrine signaling
_______ is the process of an antibody binding to the antigen of a pathogen and preventing it from
binding to host cells, while _________ is the process of 'tagging" a pathogen for removal by a
phagocytic cell. - CORRECT ANSWER - Neutralization; opsonization
,________ involves the transmission of neurotransmitters, released from a presynaptic cell, across
a synaptic cleft where they bind to the post synaptic cells . - CORRECT ANSWER - Synaptic
signaling
________ is a metabolic pathway that occurs in both fermentation and aerobic respiration -
CORRECT ANSWER - Glycolysis
________ is the catabolic process of breaking down glucose for energy and can be divided into
two main forms. - CORRECT ANSWER - Fermentation
________ occurs when an input of energy is required to move substances through the membrane.
- CORRECT ANSWER - Active transport
A _____ is synthesized during G2 which is a region of the cell that is composed of filament and
microtubule fibers that function to organize microtubules for cell division. - CORRECT
ANSWER - Centrosome
,A baby is born and the doctor pronounces the weight as 7 pounds 0 ounces. Using the metric
system, how will this value appear in the infant's medical chart? - CORRECT ANSWER - 1 lbs
= 2.2kg
7/2.2 = 3.18kg
A cell and it's extracellular environment are in _____ and ______ equilibrium. -
CORRECT ANSWER - 1. Electrical
2. chemical
A cell containing 22 autosomes and 1 sex cell is what kind of cell? - CORRECT
ANSWER - Gamete, or sex cell
A cell containing 44 autosomes and 2 sex cells is what kind of cell? - CORRECT ANSWER -
Somatic cell
, A H+ (protons) move down its gradient, the only place the proton can cross through the
membrane is at _______ sites. - CORRECT ANSWER - ATP synthase
A ligand: (choose all that apply) - CORRECT ANSWER - 1. Can be a variety of different
molecules
2. Show specificity for target receptors
3. Acts as a "message" for the target cell
A light microscope has an eye piece magnification of 10X, and the objective lens is set to 30X.
What is the total magnification? - CORRECT ANSWER - 300X
A phosphorylation cascade is characterized by _______ phosphorylation - CORRECT ANSWER
- Sequential
a. Carbohydrates contain what three elements?
b. What is the ratio of hydrogen to oxygen in a carbohydrate? c. What is the difference between a
carbohydrate and a hydrocarbon? - CORRECT ANSWER - a. CHO
_____ refers to a reaction that occurs when a biomacromolecule is degraded into two or more
monomers and, as a part of the reaction, a molecule of water is gained. - CORRECT ANSWER -
Hydrolysis
______ is characterized by a ligand traveling a short distance to the target cell. This type of
signaling is important in development and for the secretion of growth factors. - CORRECT
ANSWER - Paracrine signaling
_______ is the process of an antibody binding to the antigen of a pathogen and preventing it from
binding to host cells, while _________ is the process of 'tagging" a pathogen for removal by a
phagocytic cell. - CORRECT ANSWER - Neutralization; opsonization
,________ involves the transmission of neurotransmitters, released from a presynaptic cell, across
a synaptic cleft where they bind to the post synaptic cells . - CORRECT ANSWER - Synaptic
signaling
________ is a metabolic pathway that occurs in both fermentation and aerobic respiration -
CORRECT ANSWER - Glycolysis
________ is the catabolic process of breaking down glucose for energy and can be divided into
two main forms. - CORRECT ANSWER - Fermentation
________ occurs when an input of energy is required to move substances through the membrane.
- CORRECT ANSWER - Active transport
A _____ is synthesized during G2 which is a region of the cell that is composed of filament and
microtubule fibers that function to organize microtubules for cell division. - CORRECT
ANSWER - Centrosome
,A baby is born and the doctor pronounces the weight as 7 pounds 0 ounces. Using the metric
system, how will this value appear in the infant's medical chart? - CORRECT ANSWER - 1 lbs
= 2.2kg
7/2.2 = 3.18kg
A cell and it's extracellular environment are in _____ and ______ equilibrium. -
CORRECT ANSWER - 1. Electrical
2. chemical
A cell containing 22 autosomes and 1 sex cell is what kind of cell? - CORRECT
ANSWER - Gamete, or sex cell
A cell containing 44 autosomes and 2 sex cells is what kind of cell? - CORRECT ANSWER -
Somatic cell
, A H+ (protons) move down its gradient, the only place the proton can cross through the
membrane is at _______ sites. - CORRECT ANSWER - ATP synthase
A ligand: (choose all that apply) - CORRECT ANSWER - 1. Can be a variety of different
molecules
2. Show specificity for target receptors
3. Acts as a "message" for the target cell
A light microscope has an eye piece magnification of 10X, and the objective lens is set to 30X.
What is the total magnification? - CORRECT ANSWER - 300X
A phosphorylation cascade is characterized by _______ phosphorylation - CORRECT ANSWER
- Sequential
a. Carbohydrates contain what three elements?
b. What is the ratio of hydrogen to oxygen in a carbohydrate? c. What is the difference between a
carbohydrate and a hydrocarbon? - CORRECT ANSWER - a. CHO
