問題一覧
1
The study of how a body function is called:
physiology
2
The correct sequence of the levels of organization is:
Chemical. cellular, tissue, organ
3
The smallest unit of structure that is considered to be living is the:
Cellular level
4
An example or examples of a positive feedback loop would be:
Both b and c above
5
An example of a negative feedback loop would be:
Maintaining proper body temperature
6
The term homeostasis refers best to
Maintaining a stable internal environment
7
The total number of electrons an atom can have in its inmost electron shell is
2
8
The total number of electrons an atom can have in its outermost (valence) shell is
8
9
Atoms that differ only in their neutrons are called
Isotopes
10
What type of bond in formed in a salt molecule (NaCI)
Ionic
11
What type of bond is found in a molecule of water
Polar covalent
12
What kind of bond occurs between water molecules
hydrogen
13
____ release hydrogen ions (protons) in a solution
Acids
14
take up hydrogen ions or release hydroxide ions in a solution
Bases
15
All Organic molecules have a backbone made out of
Carbon
16
Which inorganic molecule makes 50-70% of the living body
Water
17
Large molecules are built through a reaction that removes molecules of water
Dehydration synthesis
18
Large molecules can broken down into component parts by adding water molecules an enzymatic action, this is called
Hydrolysis
19
Humans store glucose in the liver or muscles in the form of a polymer known as
glycogen
20
Name the building block that makes up the organic molecule- Carbohydrate
Monosaccharide (glucose)
21
Name the building block that makes up the organic molecule-protein
Amino acid
22
Name the building block that makes up the organic molecule-lipid
Fatty acid and glycerol
23
Name the building block that makes up the organic molecule-nucleic acid
Nucleotide
24
Which of the following is not a type of lipid
Dipeptide
25
The chemical bond between two amino acids is a
Peptide
26
Which of the following is not an organic molecule
Water
27
Which shows the correct order of level of organization
Atom, molecule, cell, tissue, organ, organ system, organism
28
Who tend to have more water in their bodies
men
29
Who tend to have more water in their bodies
Person with less fat
30
Are the positive ions equal to the number of negative ions in a body fluid
no
31
Intercellular
d
32
Plasma
a
33
interstitial fluid
c
34
extracellular fluid
b
35
Match the size of fluid compartment to the percentage of fluid in that compartment-plasma
8%
36
Match the size of fluid compartment to the percentage of fluid in that compartment-intracellular
62%
37
Match the size of fluid compartment to the percentage of fluid in that compartment-interstitial
30%
38
urinary
cleans blood of metabolic (nitrogenous) wastes regulates electrolytes
39
digestive
physical and chemical change of nutrients and absorption
40
muscular
provides movement, body posture, and heat
41
lymphatic
used in immunity and transport of tissue fluid
42
endocrine
uses hormones to regulate body function
43
cardiovascular
The transport of substances from one part of the body to another
44
nervous
Uses electrochemical signals to integrate and control body functions
45
respiratory
Exchanges oxygen and carbon dioxide and regulates acid base balance
46
skeletal
provides a rigid framework for the body and stores minerals
47
integumentary
protection of underlying structures, sensory receptors, temp regulation
48
urinary
d
49
digestive
c
50
muscular
b
51
lymphatic
a
52
endocrine
d
53
cardiovascular
E
54
nervous
c
55
respiratory
b
56
skeletal
a
57
medial
d
58
lateral
c
59
proximal
a
60
distal
b
61
____ are atoms that have gained or lost electrons to fill their valence shell (example Cl- or Na+)
lons
62
the strongest chemical bonds are made by atoms sharing their electrons this is a
covalent bond
63
What kind of bond is occurring in the picture
polar covalent
64
Is this picture above an organic molecule
no
65
Which molecule is this picture above representative of
glycogen
66
Where is this stored in the body
liver and muscles
67
This Whole molecule is representative of a
nucleotide
68
Which part of the picture above is the phosphate
a
69
Which part of the picture above is the sugar
b
70
Which part of the picture above is the base
c
71
hydrolysis
b
72
dehydration synthesis
a
73
hydrolysis
b
74
dehydration synthesis
a
75
This Whole molecule from the picture above is representative of a
lipid
76
Which fatty acid is saturated
a
77
Which fatty acid is unsaturated
b
78
R group
c
79
Carboxylic acid group
d
80
Central Carbon
a
81
Amino group
b
82
These molecules from the picture above are representative of
lipid
83
The following molecule from the picture below is
triglyceride
84
primary structure
a
85
quaternary structure
d
86
secondary structure
b
87
tertiary structure
c
88
These pics represent which organic molecule
atp
89
Which picture above represents Deoxyribonucleic acid
b
90
Which picture represents Ribonucleic acid
a
91
Which one of these nitrogenous bases is not part of DNA
uracil
92
Which one of these four nitrogenous bases is not part of RNA
thymine
93
Which organic molecule do we have that affects our characteristics more than any other?
proteins
94
Which molecule is the main part of a cell membrane and has both hydrophobic and hydrophilic properties and forms a bilayer
phospholipid
95
What is the smallest level of organization considered to be living?
cell
96
Which organic molecule is the main energy source for cells?
atp
97
Is there more Na inside or outside of cells
outside
98
Is there more K inside or outside of cells
inside
99
Na + is an ion that has
lost electrons
100
CL- is an ion that has
gained electrons