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BIO 121 Final Exam Questions and Solutions
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  • BIO 121

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 mi...

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  • August 13, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • bio 121 final exam questions and solutions
  • the cardiovascular reflexes are based in the medu
  • the narrow passageways that contain cytoplasmic ex

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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.

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