UCI BIO 93 Final Exam Questions and Answers |Complete Solutions Graded A+ |100% Correct
What is cleavage? Rapid cell devisions with no growth.
What is the process that generates germ layers for the cell? Gastrulation
What is the name of the many cells that cleavage makes? Blastomeres
What is the name of the fluid filled cavity in the blastula? The blastocoel
What is yolk? Stored nutrients
Which has more yolk, the vegetal pole or the animal pole? The vegetal pole
What happens during organogenesis? The formation of organs
What 2 processes happen in morphogenesis? Gastrulation and Organogenesis
Neural folds create what? The neural tube
What does the neural tube become later? The brain and spinal cord
Where are neural crest cells found? between the ectoderm and the neural tube
What are some of the things that neural crest cells develop into/ Nerves, teeth, skull, bones,
etc
What comes first cleavage or gastrulation? Cleavage
, What is a simple cluster of neurons called? ganglia
What is a complex organization of neurons called? A brain
What are the 3 stages of nervous system information processing? Sensory input
Integration
Motor Output
What is a synapse? A junction between the axon and another cell
How does the synaptic terminal pass information? Chemical messengers called
neurotransmitters
Information is transmitted from a _________ cell to a _________ cell? Presynaptic cell,
Postsynaptic cell
What are the most primary brain tumors? Gliomas and Meningiomas
Which type of tumor is cancerous, malignant or benign? Malignant
What is a cell's membrane potential? A voltage across its plasma memrane
What is a resting potential? The membrane potential or a neuron NOT sending signals
The opening of ion channels converts __________ potential to ___________ potential.
chemical to electric
What is cleavage? Rapid cell devisions with no growth.
What is the process that generates germ layers for the cell? Gastrulation
What is the name of the many cells that cleavage makes? Blastomeres
What is the name of the fluid filled cavity in the blastula? The blastocoel
What is yolk? Stored nutrients
Which has more yolk, the vegetal pole or the animal pole? The vegetal pole
What happens during organogenesis? The formation of organs
What 2 processes happen in morphogenesis? Gastrulation and Organogenesis
Neural folds create what? The neural tube
What does the neural tube become later? The brain and spinal cord
Where are neural crest cells found? between the ectoderm and the neural tube
What are some of the things that neural crest cells develop into/ Nerves, teeth, skull, bones,
etc
What comes first cleavage or gastrulation? Cleavage
, What is a simple cluster of neurons called? ganglia
What is a complex organization of neurons called? A brain
What are the 3 stages of nervous system information processing? Sensory input
Integration
Motor Output
What is a synapse? A junction between the axon and another cell
How does the synaptic terminal pass information? Chemical messengers called
neurotransmitters
Information is transmitted from a _________ cell to a _________ cell? Presynaptic cell,
Postsynaptic cell
What are the most primary brain tumors? Gliomas and Meningiomas
Which type of tumor is cancerous, malignant or benign? Malignant
What is a cell's membrane potential? A voltage across its plasma memrane
What is a resting potential? The membrane potential or a neuron NOT sending signals
The opening of ion channels converts __________ potential to ___________ potential.
chemical to electric
