BIOLOGY 109 CCBC SECOND LECTURE
REVIEW SCRIPT 2026 FULL ANSWERS
GRADED A+
⩥ Telophase
Answer: the final phase of cell division, between anaphase and
interphase, in which the chromatids or chromosomes move to opposite
ends of the cell and two nuclei are formed.
⩥ What does the diencephalon connect?
Answer: Cerebral hemispheres to the rest of the brain.
⩥ Cytokinesis
Answer: Division of the cytoplasm during cell division
⩥ What is the function of the thalamus?
Answer: Relay and processing sensory information.
⩥ What is the role of the hypothalamus?
Answer: Regulates emotions, autonomic functions, and hormone
control.
,⩥ Brainstem consists of
Answer: midbrain, pons, medulla oblongata
⩥ Nuclei
Answer: clusters of cell bodies in the CNS- grey matter where
processing occurs
⩥ Tracts
Answer: bundles of axons in CNS (white matter)
⩥ corpus callosum
Answer: Major tract connecting both cerebral hemispheres
⩥ basil nuclei
Answer: Islands of gray matter within the deeper white matter of the
brain
⩥ What are the components of a reflex arc?
Answer: Receptor, sensory neuron, information processing, motor
neuron, effector.
⩥ What are reflexes?
, Answer: These are rapid, predictable, and involuntary responses to
stimuli
⩥ Stretch reflex involve what two neurons
Answer: Sensory and motor neuron
⩥ Meiosis is how what are produced?
Answer: Gametes, sperm and egg
⩥ What is the difference between stretch reflexes and withdrawal
reflexes?
Answer: Stretch reflexes involve only two neurons, while withdrawal
reflexes use more neurons in the CNS.
⩥ Withdrawal reflexes use more neurons in
Answer: CNS
⩥ cell membranes are
Answer: selectively permeable- transport of material crossing plasma
⩥ What are the characteristics of the sympathetic nervous system?
Answer: Fight or flight responses, thoracolumbar origin, short
preganglionic fibers, long postganglionic fibers.
REVIEW SCRIPT 2026 FULL ANSWERS
GRADED A+
⩥ Telophase
Answer: the final phase of cell division, between anaphase and
interphase, in which the chromatids or chromosomes move to opposite
ends of the cell and two nuclei are formed.
⩥ What does the diencephalon connect?
Answer: Cerebral hemispheres to the rest of the brain.
⩥ Cytokinesis
Answer: Division of the cytoplasm during cell division
⩥ What is the function of the thalamus?
Answer: Relay and processing sensory information.
⩥ What is the role of the hypothalamus?
Answer: Regulates emotions, autonomic functions, and hormone
control.
,⩥ Brainstem consists of
Answer: midbrain, pons, medulla oblongata
⩥ Nuclei
Answer: clusters of cell bodies in the CNS- grey matter where
processing occurs
⩥ Tracts
Answer: bundles of axons in CNS (white matter)
⩥ corpus callosum
Answer: Major tract connecting both cerebral hemispheres
⩥ basil nuclei
Answer: Islands of gray matter within the deeper white matter of the
brain
⩥ What are the components of a reflex arc?
Answer: Receptor, sensory neuron, information processing, motor
neuron, effector.
⩥ What are reflexes?
, Answer: These are rapid, predictable, and involuntary responses to
stimuli
⩥ Stretch reflex involve what two neurons
Answer: Sensory and motor neuron
⩥ Meiosis is how what are produced?
Answer: Gametes, sperm and egg
⩥ What is the difference between stretch reflexes and withdrawal
reflexes?
Answer: Stretch reflexes involve only two neurons, while withdrawal
reflexes use more neurons in the CNS.
⩥ Withdrawal reflexes use more neurons in
Answer: CNS
⩥ cell membranes are
Answer: selectively permeable- transport of material crossing plasma
⩥ What are the characteristics of the sympathetic nervous system?
Answer: Fight or flight responses, thoracolumbar origin, short
preganglionic fibers, long postganglionic fibers.
