Human Biology Ch 32 Flashcards

(75 cards)

1
Q

Radiation response occurs within minutes or

days after radiation exposure

A

Early Effect of Radiation

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2
Q

Radiation response that is not observe for 6

months or longer after radiation exposure

A

Late Effect of Radiation

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3
Q

The study of the effects of ionizing radiation

on biologic tissue

A

Radiobiology

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4
Q

It determines the character & degree of the

radiation interaction that occurs

A

Atomic Composition

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5
Q

First named the cell as the biologic building

block

A

Robert Hooke (1665)

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6
Q

Accurately described a living cell on the

basis of his microscopic observations

A

Anton Van Leeuwenhoek (1673)

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7
Q

Showed that cells are the basic functional

units in all plants & animals

A

Schneider & Schwann (1838)

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8
Q
Described the molecular structure of 
deoxyribonucleic acid (DNA) as genetic 
substance of the cell
A

Watson & Crick (1953)

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9
Q

precise mapping of 40,000 human

genes

A

Human Genope Project (2000)

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10
Q

It defines the nature of radiation response

A

Molecular & Tissue Composition

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11
Q

Very large molecules that sometimes consist

of hundreds of thousands of atoms

A

Macromolecules

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12
Q

Life-supporting & contains carbon

A

Organic Molecule

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13
Q

The rarest molecule in the body, The most critical & radiosensitive target
molecule

A

Nucleic Acid

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14
Q

The simplest & the most abundant molecular

constituent in the body

A

Water

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15
Q

Essential for proper metabolism

A

Trace Elements & Inorganic Salts

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16
Q

The state of equilibrium among tissue &

organs

A

Homeostasis

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17
Q

Breaking down into smaller units of

macromolecules

A

Catabolism

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18
Q

The production of large molecules from

small

A

Anabolism

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19
Q

Catabolism & anabolism

A

Metabolism

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20
Q

Long chain macromolecules that consist of a
linear sequence of amino acids connected by
peptide bonds

A

Proteins

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21
Q

The metabolic production of proteins

A

Protein Synthesis

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22
Q

Molecules that are necessary in small
quantities to allow a biochemical reaction to
continue, even though they do not directly
enter into the reaction

A

Enzymes

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23
Q

Molecules that exercise regulatory control

over some body functions

A

Hormones

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24
Q

A primary defense mechanism of the body

against infection & disease

A

Antibodies

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25
Invasive & infectious agent
Antigen
26
Organic macromolecules composed solely | of carbon, hydrogen, & oxygen
Lipids
27
First considered to be watered or hydrated | carbons
Carbohydrates
28
A simple sugar, The ultimate molecule that fuels the body
Glucose
29
Ordinary table sugar
Sucrose
30
Plant starches & animal glycogen
Polysaccharides
31
A human polysaccharide, It used only when quantities of the simple sugar (glucose) are inadequate
Glycogen
32
A very large and extremely complex | macromolecules
Nucleic Acids
33
Two principal Nucleic Acids
DNA & RNA
34
It contains all the hereditary information that | represents a cell or whole individual
Deoxyribonucleic Acid (DNA)
35
The base sugar-phosphate combination
Nucleotide
36
Two Major Structures of Human Cell
Nucleus & Cytoplasm
37
The center of the cell
Nucleus
38
A rounded structure that is attached to the | nuclear membrane
Nucleolus
39
A double-walled structure that at some locations is connected to the endoplasmic reticulum
Nuclear Membrane
40
The bulk of the cell
Cytoplasm
41
a channel or series or channels that allows the nucleus to communicate with the cytoplasm
Endoplasmic Reticulum
42
The engine of the cell
Mitochondria
43
The site of protein synthesis
Ribosomes
44
They contains enzymes capable of digesting cellular fragments & sometimes the cell itself
Lysosomes
45
Absorbs all nutrients through the cell | membrane
Cell Function
46
A critical cellular function necessary for | survival
Protein Synthesis
47
It identifies one of the 22 amino acids | available for protein synthesis
Codon
48
The act of a single cell or group of cells to | reproduce & multiply in number
Cell Proliferation
49
Two General Types of Cells in the Human Body
Genetic/Germ Cell & Somatic Cell
50
Process of somatic cell division wherein a parent cell divides to form two daughter cells identical to the parent cell
Mitosis
51
4 subphases of Mitosis
prophase, metaphase, anaphase & telophase (PMAT)
52
Two Phases of the Cell Cycle
Metaphase & Interphase
53
The period of growth of the cell between | divisions
Interphase
54
Four Phases of the Cell Cycle
M, G1, S & G2
55
Pre-DNA synthesis phase
G1 Phase
56
The DNA-synthesis phase
S Phase
57
 The post-DNA synthesis gap of the cell | growth
G2 Phase
58
The nucleus swells
Prophase
59
Radiation-induced chromosome damage is | analyzed during...
Metaphase
60
appear & lined up along the equator of the nucleus
Metaphase
61
New chromosome migrates toward | the spindle
Anaphase
62
The final segment of mitosis
Telophase
63
The process whereby genetic cells undergo | reduction division
Meiosis
64
Process that occurs during meiosis wherein | chromatids exchange chromosomal material
Crossover
65
Collection of cells of similar structure & | function
Tissue
66
Collection of tissues of similar structure & | function
Organs
67
Combination of tissues & organs that forms | an overall integrated organization
Organ System
68
Undifferentiated cells, precursor cells or | stem cells
Immature Cells
69
Types of Tissues
Epithelium, Connective & Supporting, | Muscle & Nervous
70
The covering tissue, It lines all the exposed surfaces of the body, both exterior & interior
Epithelium
71
It binds tissue & organs together
Connective & Supporting Tissue
72
A special type of tissue that can contract
Muscle Tissue
73
The avenue by which electrical impulses are transmitted throughout the body for control & response
Nervous Tissue
74
Part of an organ that contains tissues | representative of that particular organ
Parenchymal
75
Part of an organ that is composed of | connective tissue & vasculature
Stromal