Question 1

The _____ carries the message across the synapse.

Accepted Answer

A)  axon 
B)  dendrite 
C)  neurotransmitter 
D)  mRNA 
A)  axon 
B)  dendrite 
C)  neurotransmitter 
D)  mRNA C

Question 2

Tubules are primarily concerned with _____.

Accepted Answer

A)  protein transport 
B)  degradation of foreign substances 
C)  providing energy to the cell 
D)  transcribing base-pair sequences from nuclear DNA 
A)  protein transport 
B)  degradation of foreign substances 
C)  providing energy to the cell 
D)  transcribing base-pair sequences from nuclear DNA A

Question 3

The phrase "Halle Berry neurons" refers to _____.

Accepted Answer

A)  the most attractive neurons in the brain 
B)  the neurons responsible for identifying people 
C)  the neurons that are the last to break down with old age 
D)  the implication that people have separate neurons for detecting and representing every object 
A)  the most attractive neurons in the brain 
B)  the neurons responsible for identifying people 
C)  the neurons that are the last to break down with old age 
D)  the implication that people have separate neurons for detecting and representing every object D

Question 4

A _____ is a segment of a DNA strand that encodes the synthesis of a particular type of protein molecule.

Accepted Answer

A)  chromosome 
B)  gene 
C)  double helix 
D)  ribosome 
A)  chromosome 
B)  gene 
C)  double helix 
D)  ribosome

Question 5

The nucleus _____.

Accepted Answer

A)  regulates the materials that enter and leave the cell domain 
B)  is where the cell's protein products are assembled 
C)  is where the cell's protein blueprints are stored and copied 
D)  is an extension of the nuclear membrane 
A)  regulates the materials that enter and leave the cell domain 
B)  is where the cell's protein products are assembled 
C)  is where the cell's protein blueprints are stored and copied 
D)  is an extension of the nuclear membrane

Question 6

_____ embedded in the cell membrane act as gates and transportation systems that allow selected substances to pass through the membrane.

Accepted Answer

A)  Ion channels 
B)  Proteins 
C)  Lipids 
D)  Enzymes 
A)  Ion channels 
B)  Proteins 
C)  Lipids 
D)  Enzymes

Question 7

Membrane pumps exchange Na+ ions for _____ ions.

Accepted Answer

A)  Ca2+ 
B)  K+ 
C)  Cl- 
D)  H2+ 
A)  Ca2+ 
B)  K+ 
C)  Cl- 
D)  H2+

Question 8

Which ion form is the most appropriate match for potassium ion?

Accepted Answer

A)  Cl- 
B)  A- 
C)  Na+ 
D)  K+ 
A)  Cl- 
B)  A- 
C)  Na+ 
D)  K+

Question 9

Which ion form is the most appropriate match for depolarization?

Accepted Answer

A)  Cl- 
B)  A- 
C)  Na+ 
D)  K+ 
A)  Cl- 
B)  A- 
C)  Na+ 
D)  K+

Question 10

Which ion form is the most appropriate match for hyperpolarization?

Accepted Answer

A)  Cl- 
B)  A- 
C)  Na+ 
D)  K+ 
A)  Cl- 
B)  A- 
C)  Na+ 
D)  K+

Question 11

The flow of information through a neuron _____.

Accepted Answer

A)  starts with the dendrites and ends with the terminal button 
B)  starts with the axon and ends with the dendrites 
C)  starts with the terminal button and ends with the dendrites 
D)  starts with the dendrites and ends with the axon 
A)  starts with the dendrites and ends with the terminal button 
B)  starts with the axon and ends with the dendrites 
C)  starts with the terminal button and ends with the dendrites 
D)  starts with the dendrites and ends with the axon

Question 12

The resting charge in neurons is about _____.

Accepted Answer

A)  +60 mV relative to the outside 
B)  -70 mV relative to the inside 
C)  +30 mV relative to the inside 
D)  -70 mV relative to the outside 
A)  +60 mV relative to the outside 
B)  -70 mV relative to the inside 
C)  +30 mV relative to the inside 
D)  -70 mV relative to the outside

Question 13

The "power plants" of the cell, which provide most of the energy for cell functions, are the _____.

Accepted Answer

A)  Golgi bodies 
B)  endoplasmic reticula 
C)  mitochondria 
D)  lysosomes 
A)  Golgi bodies 
B)  endoplasmic reticula 
C)  mitochondria 
D)  lysosomes

Question 14

Epigenetic mechanisms such as _____ can cause phenotypic plasticity.

Accepted Answer

A)  ncRNA deletion 
B)  DNA deletion 
C)  gene methylation and mRNA modification 
D)  DNA resequencing and mRNA deletion
Answer Key 
A)  ncRNA deletion 
B)  DNA deletion 
C)  gene methylation and mRNA modification 
D)  DNA resequencing and mRNA deletion
Answer Key

Question 15

Which ion form is the most appropriate match for protein anion?

Accepted Answer

A)  Cl- 
B)  A- 
C)  Na+ 
D)  K+ 
A)  Cl- 
B)  A- 
C)  Na+ 
D)  K+

Exam 4: Extension: C - the Structure and Electrical Activity of Neurons

The _____ carries the message across the synapse.

Tubules are primarily concerned with _____.

The phrase "Halle Berry neurons" refers to _____.

A _____ is a segment of a DNA strand that encodes the synthesis of a particular type of protein molecule.

The nucleus _____.

_____ embedded in the cell membrane act as gates and transportation systems that allow selected substances to pass through the membrane.

Membrane pumps exchange Na+ ions for _____ ions.

Which ion form is the most appropriate match for potassium ion?

Which ion form is the most appropriate match for depolarization?

Which ion form is the most appropriate match for hyperpolarization?

The flow of information through a neuron _____.

The resting charge in neurons is about _____.

The "power plants" of the cell, which provide most of the energy for cell functions, are the _____.

Epigenetic mechanisms such as _____ can cause phenotypic plasticity.

Which ion form is the most appropriate match for protein anion?

Extension: A - The Development of Neuropsychology

Extension: B - The Development of Neuropsychology

Extension: C - The Development of Neuropsychology

Extension: A - Research on the Origins of the Human Brain and Behavior

Extension: B - Research on the Origins of the Human Brain and Behavior

Extension: C - Research on the Origins of the Human Brain and Behavior

Extension: A - Nervous System Organization

Extension: B - Nervous System Organization

Extension: C - Nervous System Organization

Extension: A - the Structure and Electrical Activity of Neurons

Extension: B - the Structure and Electrical Activity of Neurons

Extension: A - Communication Between Neurons

Extension: B - Communication Between Neurons

Extension: C - Communication Between Neurons

Extension: A - The Influence of Drugs and Hormones on Behavior

Extension: B - The Influence of Drugs and Hormones on Behavior

Extension: C - The Influence of Drugs and Hormones on Behavior

Extension: A - Imaging the Brains Activity

Extension: B - Imaging the Brains Activity

Extension: C - Imaging the Brains Activity

Extension: A - Organization of the Sensory Systems

Extension: B - Organization of the Sensory Systems

Extension: C - Organization of the Sensory Systems

Extension: A - Organization of the Motor System

Extension: B - Organization of the Motor System

Extension: C - Organization of the Motor System

Extension: A - Principles of Neurocortical Function

Extension: B - Principles of Neurocortical Function

Extension: C - Principles of Neurocortical Function

Extension: A - Cerebral Asymmetry

Extension: B - Cerebral Asymmetry

Extension: C - Cerebral Asymmetry

Extension: A - Variations in Cerebral Asymmetry

Extension: B - Variations in Cerebral Asymmetry

Extension: C - Variations in Cerebral Asymmetry

Extension: A - The Occipital Lobes

Extension: B - The Occipital Lobes

Extension: C - The Occipital Lobes

Extension: A - The Parietal Lobes

Extension: B - The Parietal Lobes

Extension: C - The Parietal Lobes

Extension: A - The Temporal Lobes

Extension: B - The Temporal Lobes

Extension: C - The Temporal Lobes

Extension: A - The Frontal Lobes

Extension: B - The Frontal Lobes

Extension: C - The Frontal Lobes

Extension: A - Cortical Networks and Disconnection Syndromes

Extension: B - Cortical Networks and Disconnection Syndromes

Extension: C - Cortical Networks and Disconnection Syndromes

Extension: A - Learning and Memory

Extension: B - Learning and Memory

Extension: C - Learning and Memory

Extension: A - Language

Extension: B - Language

Extension: C - Language

Extension: A - Emotion and the Social Brain

Extension: B - Emotion and the Social Brain

Extension: C - Emotion and the Social Brain

Extension: A - Spatial Behavior

Extension: B - Spatial Behavior

Extension: C - Spatial Behavior

Extension: A - Attention and Consciousness

Extension: B - Attention and Consciousness

Membrane pumps exchange Na⁺ ions for _____ ions.