Final Flashcards

1
Q

Which cell structure contains the cell’s genetic material and controls many of the cell’s activities?

A

Nucleus

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2
Q

Which organelle breaks down compounds into small particles that the cell can use

A

Lysosome

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3
Q

Which organelle makes proteins using coded instructions that come from the nucleus

A

Ribosome

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4
Q

Which organelle converts the chemical energy stored in food into compounds that are more convenient for the cell to use?

A

Mitochondrion

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5
Q

What is the function of the cell membrane?

A

Regulates which materials enter and leave the cell

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6
Q

The thin, flexible barrier around a cell is called the

A

Cell membrane

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7
Q

What is the function of the nucleus

A

Stores DNA
Controls most of the cell’s processes
Contains the info needed to make proteins

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8
Q

Which of the following is a function of the cytoskeleton

A

Helps a cell keep its shape

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9
Q

Diffusion is the movement of particles from

A

An area of high concentration to an area of low concentration

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10
Q

The diffusion of water across a selectively permeable membrane is called

A

Osmosis

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11
Q

A group of similar cells that perform a particular function is called a

A

Tissue

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12
Q

Which of the following is not a stage of cellular respiration?

Fermentation
Electron transport
Glycolysis
Krebs cycle

A

Fermentation

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13
Q

The Krebs cycle produces

A

Carbon dioxide

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14
Q

Cellular respiration uses one molecule of glucose to produce

A

36 ATP molecules

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15
Q

What is a product of cellular respiration

A

Water

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16
Q

Glycolysis provides a cell with a net gain of

A

2 ATP molecules

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17
Q

Electron transport chain occurs in the

A

Mitochondria

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18
Q

The energy of the electrons passing along the electron transport chain is used to make

A

ATP

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19
Q

DNA replication results in two DNA molecules

A

Each with one new strand and one original strand

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20
Q

Unlike DNA, RNA contains

A

Uracil

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21
Q

Which types of RNA are involved in protein synthesis

A

Messenger RNA, ribosomal RNA, and transfer RNA

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22
Q

What is produced during transcription

A

RNA molecules

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23
Q

What happens during the process of translation

A

The cell uses information from messenger RNA to produce proteins

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24
Q

What is the major difference between facilitated diffusion and active transport

A

Active transport moves substances against the concentration gradient

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25
Q

Raising your leg out to the side away from the midline

A

Abduction

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26
Q

Toes toward your tibia

A

Dorsiflexion

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27
Q

Decreasing the angle of the joint

A

Flexion

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28
Q

Forward jaw

A

Protraction

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29
Q

Raising your scapula superior

A

Elevation

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30
Q

Turn head to side

A

Rotation

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31
Q

Palms up

A

Supination

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32
Q

Turning sole of foot to the medial line

A

Inversion

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33
Q

Achilles

A

Tendon

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34
Q

Bone to muscle

A

Tendon

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35
Q

ACL

A

Ligament

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36
Q

Bone to bone

A

Ligament

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37
Q

Processes grow out from the bone for things like muscle attachment

A

Projections

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38
Q

Raised area on or above condyle

A

Epicondyle

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39
Q

Cavities that indent the bone for blood vessels and nerves to pass

A

Depressions

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40
Q

Filled with air

A

Sinus

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41
Q

Canal or tube

A

Meatus

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42
Q

Large rounded or roughened projection

A

Tuberosity

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43
Q

Shallow basin

A

Fossa

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44
Q

Rounded articular projection

A

Condyle

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45
Q

Narrow ridge of bone

A

Crest

46
Q

Sharp, pointed projection

A

Spine

47
Q

Bony expansion on narrow neck

A

Head

48
Q

Only projection found on the femur

A

Trochanter

49
Q

Smooth, nearly flat articular surface

A

Facet

50
Q

Shallow depression

A

Sulcus, groove, furrow

51
Q

Small rounded projection

A

Tubercle

52
Q

Round or oval opening

A

Foramen

53
Q

Armlike bar of bone

A

Ramus

54
Q

Narrow, slit-like opening

A

Fissure

55
Q

Punch knuckles

A

Condyloid

56
Q

Hip

A

Ball and socket

57
Q

Neck

A

Pivot

58
Q

Shoulder

A

Ball and socket

59
Q

Knee

A

Hinge

60
Q

Fingers

A

Hinge

61
Q

Joint between the tarsus and tibia and fibula

A

Saddle

62
Q

Sutures

A

Fibrous

63
Q

Limited action

A

Cartilaginous

64
Q

No action

A

Fibrous

65
Q

Vertebrae

A

Cartilaginous

66
Q

Thumb

A

Synovial

67
Q

Freely movable

A

Synovial

68
Q

Public symphysis

A

Fibrocartilage

69
Q

Most abundant cartilage in the body

A

Hyaline

70
Q

Ear

A

Elastic

71
Q

Epiglottis

A

Elastic

72
Q

Voluntary

A

Skeletal muscle

73
Q

Non striated

A

Smooth muscle

74
Q

Branching cells

A

Cardiac muscle

75
Q

Walls of the stomach

A

Smooth muscle

76
Q

Moves your eyeballs

A

Skeletal muscle

77
Q

Several nuclei/cell

A

Skeletal muscle

78
Q

Calcium ions bind to the ________ molecule in skeletal muscle cells

A

Troponin

79
Q

During muscle contraction, myosin cross bridges attach to which active sites?

A

Actin filaments

80
Q

The action of lifting a shovel of snow

A

Load, effort, fulcrum

81
Q

Tibia-calcaneus joint

A

Fulcrum, load, effort

82
Q

Second- class lever

A

Fulcrum, load, effort

83
Q

First class lever

A

Load, fulcrum, effort

84
Q

Humerus- ulna joint

A

Load, effort, fulcrum

85
Q

The sliding filament model of contraction involves

A

Actin and myosin sliding past each other and partially overlap

86
Q

The major function of the sarcoplasmic reticulum in muscle contraction is to

A

Regulate intracellular calcium concentration

87
Q

A muscle that provides the major force for producing a specific movement is called

A

An agonist

88
Q

In flexing the forearm at the elbow, the

A

Triceps brachii acts as antagonist

89
Q

A muscle group that works with and assists the action of a prime mover is a

A

Synergist

90
Q

In skeletal muscle contraction, calcium apparently acts to

A

Remove the blocking action of tropomyosin

91
Q

The contractile units of skeletal muscles are

A

Myofibrils

92
Q

An elaborate network of membranes in skeletal muscle cells that functions in calcium storage is the

A

Sarcoplasmic reticulum

93
Q

One functional unit of a skeletal muscle is

A

A sarcomere

94
Q

The role of calcium ions in muscle contraction is to

A

Bind to regulatory sites on troponin, changing the configuration

95
Q

A sarcomere is

A

The area between two Z discs

96
Q

During vigorous exercise, there may be insufficient oxygen available to completely break down pyruvic acid for energy. As a result, the pyruvic acid is converted to

A

Lactic acid

97
Q

Rigor mortis occurs because

A

No ATP is available to release attached actin and myosin molecules

98
Q

The main general purpose of negative feedback is to

A

Maintain homeostasis

99
Q

A structure that is composed of two or tissues would be

A

An organ

100
Q

Negative feedback mechanisms work to prevent

A

Sudden severe changes within the body

101
Q

The condition in which the body maintains a relatively stable internal environment within limits

A

Homeostasis

102
Q

The term pollex refers to the

A

Thumb

103
Q

Directly causes mechanical motions

A

Muscular

104
Q

Responds to environmental changes by transmitting electrical impulses

A

Nervous

105
Q

Blood glucose levels

A

Negative feedback

106
Q

Delivering a baby

A

Positive feedback

107
Q

Stomach

A

Abdominopelvic

108
Q

The elbow is proximal to the shoulder

A

False

109
Q

A tissue consists of groups of similar cells that have a common function

A

True

110
Q

What are the parts of the dorsal cavity

A

Cranial, vertebral, and spinal

111
Q

The epigastric region is located superior to the umbilical region

A

True

112
Q

What is the anatomical position

A

Arms at sides, thumbs pointed laterally and body erect