1|Page
BIO 116 Exam 3 Study Guide Exam .|| Most Recent
Exam Actual Complete Real Verified Exam Questions
And Correct Answers (Verified Answers) Already
Graded A+ | Guaranteed Success!! Newest Exam!!!
what would happen ife spliceosomes mutated and didnt
work properly - Answer-introns would remain in mature
mRNA
the gene for human insulin____ be expresseed in
bacteria______ - Answer-can as long as no introns are
present
What kind of nervous system do cnidarians have? -
Answer-nerve net, interconnected neurons with no central
control organ
What kind of nervous systems do echinoderms have? -
Answer-nerve ring, signals radial nerves which signals
muscles
What kind of nervous systems do bilateria /
platylhementhis have? - Answer-- brain & eyespots at
anterior
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- transverse nerves AKA rungs
- ladder type nervous system
What kind of nervous systems do bilateria / annelids and
arthropods have? - Answer-- more complex brain
- ganglia
What kind of nervous systems do vertebrates have? -
Answer-- brain + spinal cord = CNS
- nerves + ganglia = PNS
How does the type of nervous system determine an
organisms lifestyle? - Answer-slow moving + simple
organisms have a more basic nervous system
fast moving + complex organisms have a more advance
nervous system
What is ganglia? - Answer-systematically arranged
clusters of neurons
What are the 6 types of glial cells? - Answer-1) ependymal
2) astrocytes
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3) microglial
4) oligodendrocytes
5) Schwann cells
6) radial
What are ependymal cells? - Answer-line cavities of the
brain and spinal cord
circulate cerebrospinal fluid
What are astrocytes? - Answer-involved with brain blood
barrier and neurons
What are microglial cells? - Answer-macrophages of the
CNS, immune functions
What is myelination and why is it important? - Answer--
fatty membrane around axons of a neuron
- insulates action potentials
What are oligodendrocytes? - Answer-produce myelin in
CNS
, 4|Page
What are Schwann cells? - Answer-form myelin sheath in
PNS
What are radial glia? - Answer-guides migration and
growth of immature neurons in developing embryo
What does the Central Nervous System include? -
Answer-brain and spinal cord
gray matter surrounds white matter
What is white matter? - Answer-myelinated axons
What is gray matter? - Answer-- unmyelinated axons
- cell bodies
- short range communication
What are ventricles? - Answer-hollow and filled w/ CSF
What is the spinal cord? - Answer-link b/t brain and rest of
nervous system
BIO 116 Exam 3 Study Guide Exam .|| Most Recent
Exam Actual Complete Real Verified Exam Questions
And Correct Answers (Verified Answers) Already
Graded A+ | Guaranteed Success!! Newest Exam!!!
what would happen ife spliceosomes mutated and didnt
work properly - Answer-introns would remain in mature
mRNA
the gene for human insulin____ be expresseed in
bacteria______ - Answer-can as long as no introns are
present
What kind of nervous system do cnidarians have? -
Answer-nerve net, interconnected neurons with no central
control organ
What kind of nervous systems do echinoderms have? -
Answer-nerve ring, signals radial nerves which signals
muscles
What kind of nervous systems do bilateria /
platylhementhis have? - Answer-- brain & eyespots at
anterior
,2|Page
- transverse nerves AKA rungs
- ladder type nervous system
What kind of nervous systems do bilateria / annelids and
arthropods have? - Answer-- more complex brain
- ganglia
What kind of nervous systems do vertebrates have? -
Answer-- brain + spinal cord = CNS
- nerves + ganglia = PNS
How does the type of nervous system determine an
organisms lifestyle? - Answer-slow moving + simple
organisms have a more basic nervous system
fast moving + complex organisms have a more advance
nervous system
What is ganglia? - Answer-systematically arranged
clusters of neurons
What are the 6 types of glial cells? - Answer-1) ependymal
2) astrocytes
,3|Page
3) microglial
4) oligodendrocytes
5) Schwann cells
6) radial
What are ependymal cells? - Answer-line cavities of the
brain and spinal cord
circulate cerebrospinal fluid
What are astrocytes? - Answer-involved with brain blood
barrier and neurons
What are microglial cells? - Answer-macrophages of the
CNS, immune functions
What is myelination and why is it important? - Answer--
fatty membrane around axons of a neuron
- insulates action potentials
What are oligodendrocytes? - Answer-produce myelin in
CNS
, 4|Page
What are Schwann cells? - Answer-form myelin sheath in
PNS
What are radial glia? - Answer-guides migration and
growth of immature neurons in developing embryo
What does the Central Nervous System include? -
Answer-brain and spinal cord
gray matter surrounds white matter
What is white matter? - Answer-myelinated axons
What is gray matter? - Answer-- unmyelinated axons
- cell bodies
- short range communication
What are ventricles? - Answer-hollow and filled w/ CSF
What is the spinal cord? - Answer-link b/t brain and rest of
nervous system
