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PSYCH 101 > Biology of Behavior > Flashcards

Biology of Behavior Flashcards

1
Q

located in the center of the cell. Surrounded by a membrane that keeps all the chromosomes inside

A

Nucleus

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2
Q

Genetic material is composed of…

A

DNA

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3
Q

A long thread of DNA wrapped in histones (POSITIVELY CHARGED PROTEINS)

A

Chromosomes

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4
Q

Large molecule that contains genes

A

dna

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5
Q

is all the genetic information in DNA

A

Genome

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6
Q

entire genetic make up of an organism

A

Genotype

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7
Q

an organisms observed characteristics

A

Phenotype

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8
Q

small segments of dna that contain information

A

genes

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9
Q

Brain and Spinal chord

A

Central Nervous system

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10
Q

cranial and spinal nerves

A

Peripheral nervous system

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11
Q

Heart Muscle, Smooth muscle, glands

A

Autonomic nervous system

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12
Q

Voluntary skeletal muscle

A

Somatic Nervous system

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13
Q

Rest and Digest

A

Parasympathetic Division

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14
Q

Active and Alert

A

Sympathetic Division

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15
Q

The PNS is divided into…

A

Autonomic nervous system, somatic nervous system

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16
Q

Autonomic nervous system is divided into…

A

Parasympathetic

Division

17
Q

Plays an important role in communication between neurons. It is the producer of myelin and aids in blood-brain barrier functions ect.

A

Glial cells

18
Q

DANGS

A

Dopamine
Acetylcholine
Norepinephrine
Serotonin

19
Q

Also known as cell body. contains the nucleus and other compounds needed for cell maintenance and function.

A

Soma

20
Q

A long projection that extends form a neuron’s soma. Transmits electrical impulses

A

Axon

21
Q

fingerlike projections from a neuron’s soma. recieves incoming messages form other neurons,

A

Dendrites

22
Q

fatty substance wrapped around axons that serve as its insulator

A

Myelin Sheath

23
Q

Three types of Neurons

A

Sensory, Motor, Mirror

24
Q

Arousal, Positive Emotions

Too High:

Too Low:

A

Dopamine

Schizophrenia

ADHD Depression

25
Q

Slows ANS activity learning, memory, sleeping

Too high

Too low

A

Acetylcholine

Alzheimer’s

Oversleeping, trouble concentrating

26
Q

Affects CNS, Increases alertness and attention

Too High

Too low

A

Norepinephrine

Mania

ADHD, Depression

27
Q

Major inhibitory neurotransmitter, slows CNS function

Too High

Too Low

A

Gaba

Anxiety

Bipolar Mania

28
Q

Pkays a role in mood, eating, sleeping

Too high

Too low

A

serotonin

Depression

Mania, Autism

PSYCH 101 (3 decks)

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