BIO 121 Final Exam Questions and
Solutions
The cardiovascular reflexes are based in the ✅medulla oblongata.
The narrow passageways that contain cytoplasmic extensions of osteocytes are called
✅canaliculi.
The molecule H2 is known as ✅hydrogen.
The triplet codes needed to specify a specific protein are found in the ✅gene.
A cell with many mitochondria would most likely use which of the following to produce
most of the ATP? ✅electron transport chain
The corpus callosum is composed of ✅commissural fibers
The medial bulge at your ankle is a projection from the ✅tibia.
A muscle of the anterior thigh that has its origin on the femur and insertion on the tibial
tuberosity causes: ✅extension of the leg
Gas exchange is to the respiratory system as absorption of nutrients is to the ________
system. ✅digestive
Chondrocytes are to cartilage as osteocytes are to ✅bone.
Hemolysis may occur when a blood cell is placed into ✅hypotonic solution.
One of the tenets of the cell theory is that: ✅an organism is governed by the
functioning of individual cells
Which of the following bones is not part of the appendicular skeleton? ✅sacrum
The specialized membranes that surround the spinal cord are termed the ✅spinal
meninges.
The anterior horns of the spinal cord contain mainly ✅somatic motor nuclei.
An amino acid is to a protein as ____________ is to a nucleic acid. ✅a nucleotide
, The dorsal root ganglia mainly contain ✅cell bodies of sensory neurons.
Cholinergic synapses release the neurotransmitter ✅acetylcholine.
A person standing with hands at the sides and palms facing forward is in the
✅anatomical position.
Mesothelium is to the body cavities as endothelium is to the ✅heart and blood vessels.
Double bonding between carbon atoms: ✅is a feature of unsaturated fatty acids
The kissing muscle that purses the lips is the ✅orbicularis oris.
frontal (coronal) plane separates the body into: ✅anterior and posterior parts
Damage to the ________ nerve would result in near paralysis of the eye. ✅oculomotor
he plasma membrane is composed of ✅a bilayer of phospholipids.
Hydrogen bonds ✅are responsible for some of the properties of water.
can occur within a single large molecule.
can form between neighboring molecules.
are important for holding large molecules together.
The humerus is an example of a(n) ________ bone. ✅long
Which neurotransmitter is released by the preganglionic sympathetic neuron?
✅acetylcholine
Chromosomes consist of ✅DNA and proteins
Sodium is more concentrated outside the cell than inside, despite the fact that some
sodium does diffuse into the cell. The reason for this is: ✅sodium is transported out of
the cell against its concentration gradient by active transport
ATP (adenosine triphosphate) is: ✅necessary for both contraction and relaxation of
muscle
Vitamin D has an important role in: ✅intestinal absorption of calcium
Endochondral ossification begins with the formation of a(n) ✅cartilage model.
Solutions
The cardiovascular reflexes are based in the ✅medulla oblongata.
The narrow passageways that contain cytoplasmic extensions of osteocytes are called
✅canaliculi.
The molecule H2 is known as ✅hydrogen.
The triplet codes needed to specify a specific protein are found in the ✅gene.
A cell with many mitochondria would most likely use which of the following to produce
most of the ATP? ✅electron transport chain
The corpus callosum is composed of ✅commissural fibers
The medial bulge at your ankle is a projection from the ✅tibia.
A muscle of the anterior thigh that has its origin on the femur and insertion on the tibial
tuberosity causes: ✅extension of the leg
Gas exchange is to the respiratory system as absorption of nutrients is to the ________
system. ✅digestive
Chondrocytes are to cartilage as osteocytes are to ✅bone.
Hemolysis may occur when a blood cell is placed into ✅hypotonic solution.
One of the tenets of the cell theory is that: ✅an organism is governed by the
functioning of individual cells
Which of the following bones is not part of the appendicular skeleton? ✅sacrum
The specialized membranes that surround the spinal cord are termed the ✅spinal
meninges.
The anterior horns of the spinal cord contain mainly ✅somatic motor nuclei.
An amino acid is to a protein as ____________ is to a nucleic acid. ✅a nucleotide
, The dorsal root ganglia mainly contain ✅cell bodies of sensory neurons.
Cholinergic synapses release the neurotransmitter ✅acetylcholine.
A person standing with hands at the sides and palms facing forward is in the
✅anatomical position.
Mesothelium is to the body cavities as endothelium is to the ✅heart and blood vessels.
Double bonding between carbon atoms: ✅is a feature of unsaturated fatty acids
The kissing muscle that purses the lips is the ✅orbicularis oris.
frontal (coronal) plane separates the body into: ✅anterior and posterior parts
Damage to the ________ nerve would result in near paralysis of the eye. ✅oculomotor
he plasma membrane is composed of ✅a bilayer of phospholipids.
Hydrogen bonds ✅are responsible for some of the properties of water.
can occur within a single large molecule.
can form between neighboring molecules.
are important for holding large molecules together.
The humerus is an example of a(n) ________ bone. ✅long
Which neurotransmitter is released by the preganglionic sympathetic neuron?
✅acetylcholine
Chromosomes consist of ✅DNA and proteins
Sodium is more concentrated outside the cell than inside, despite the fact that some
sodium does diffuse into the cell. The reason for this is: ✅sodium is transported out of
the cell against its concentration gradient by active transport
ATP (adenosine triphosphate) is: ✅necessary for both contraction and relaxation of
muscle
Vitamin D has an important role in: ✅intestinal absorption of calcium
Endochondral ossification begins with the formation of a(n) ✅cartilage model.
