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
Raising your leg out to the side away from the midline
Abduction
26
Toes toward your tibia
Dorsiflexion
27
Decreasing the angle of the joint
Flexion
28
Forward jaw
Protraction
29
Raising your scapula superior
Elevation
30
Turn head to side
Rotation
31
Palms up
Supination
32
Turning sole of foot to the medial line
Inversion
33
Achilles
Tendon
34
Bone to muscle
Tendon
35
ACL
Ligament
36
Bone to bone
Ligament
37
Processes grow out from the bone for things like muscle attachment
Projections
38
Raised area on or above condyle
Epicondyle
39
Cavities that indent the bone for blood vessels and nerves to pass
Depressions
40
Filled with air
Sinus
41
Canal or tube
Meatus
42
Large rounded or roughened projection
Tuberosity
43
Shallow basin
Fossa
44
Rounded articular projection
Condyle
45
Narrow ridge of bone
Crest
46
Sharp, pointed projection
Spine
47
Bony expansion on narrow neck
Head
48
Only projection found on the femur
Trochanter
49
Smooth, nearly flat articular surface
Facet
50
Shallow depression
Sulcus, groove, furrow
51
Small rounded projection
Tubercle
52
Round or oval opening
Foramen
53
Armlike bar of bone
Ramus
54
Narrow, slit-like opening
Fissure
55
Punch knuckles
Condyloid
56
Hip
Ball and socket
57
Neck
Pivot
58
Shoulder
Ball and socket
59
Knee
Hinge
60
Fingers
Hinge
61
Joint between the tarsus and tibia and fibula
Saddle
62
Sutures
Fibrous
63
Limited action
Cartilaginous
64
No action
Fibrous
65
Vertebrae
Cartilaginous
66
Thumb
Synovial
67
Freely movable
Synovial
68
Public symphysis
Fibrocartilage
69
Most abundant cartilage in the body
Hyaline
70
Ear
Elastic
71
Epiglottis
Elastic
72
Voluntary
Skeletal muscle
73
Non striated
Smooth muscle
74
Branching cells
Cardiac muscle
75
Walls of the stomach
Smooth muscle
76
Moves your eyeballs
Skeletal muscle
77
Several nuclei/cell
Skeletal muscle
78
Calcium ions bind to the ________ molecule in skeletal muscle cells
Troponin
79
During muscle contraction, myosin cross bridges attach to which active sites?
Actin filaments
80
The action of lifting a shovel of snow
Load, effort, fulcrum
81
Tibia-calcaneus joint
Fulcrum, load, effort
82
Second- class lever
Fulcrum, load, effort
83
First class lever
Load, fulcrum, effort
84
Humerus- ulna joint
Load, effort, fulcrum
85
The sliding filament model of contraction involves
Actin and myosin sliding past each other and partially overlap
86
The major function of the sarcoplasmic reticulum in muscle contraction is to
Regulate intracellular calcium concentration
87
A muscle that provides the major force for producing a specific movement is called
An agonist
88
In flexing the forearm at the elbow, the
Triceps brachii acts as antagonist
89
A muscle group that works with and assists the action of a prime mover is a
Synergist
90
In skeletal muscle contraction, calcium apparently acts to
Remove the blocking action of tropomyosin
91
The contractile units of skeletal muscles are
Myofibrils
92
An elaborate network of membranes in skeletal muscle cells that functions in calcium storage is the
Sarcoplasmic reticulum
93
One functional unit of a skeletal muscle is
A sarcomere
94
The role of calcium ions in muscle contraction is to
Bind to regulatory sites on troponin, changing the configuration
95
A sarcomere is
The area between two Z discs
96
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
Lactic acid
97
Rigor mortis occurs because
No ATP is available to release attached actin and myosin molecules
98
The main general purpose of negative feedback is to
Maintain homeostasis
99
A structure that is composed of two or tissues would be
An organ
100
Negative feedback mechanisms work to prevent
Sudden severe changes within the body
101
The condition in which the body maintains a relatively stable internal environment within limits
Homeostasis
102
The term pollex refers to the
Thumb
103
Directly causes mechanical motions
Muscular
104
Responds to environmental changes by transmitting electrical impulses
Nervous
105
Blood glucose levels
Negative feedback
106
Delivering a baby
Positive feedback
107
Stomach
Abdominopelvic
108
The elbow is proximal to the shoulder
False
109
A tissue consists of groups of similar cells that have a common function
True
110
What are the parts of the dorsal cavity
Cranial, vertebral, and spinal
111
The epigastric region is located superior to the umbilical region
True
112
What is the anatomical position
Arms at sides, thumbs pointed laterally and body erect