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Biology 103 Exam Questions and Correct Answers
Biology 103 Exam Questions and Correct Answers
[Show more]Biology 103 Exam Questions and Correct Answers
[Show more]Cell 
Answer: smallest, most basic unit life 
unicellular 
Answer: one cell 
multicellular 
Answer: many cells 
emergent property 
Answer: qualities appear each level organization 
List the organization of living things. 
Answer: Atom 
molecule 
cell 
tissue 
organs 
organ system 
organism 
List the...
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Add to cartCell 
Answer: smallest, most basic unit life 
unicellular 
Answer: one cell 
multicellular 
Answer: many cells 
emergent property 
Answer: qualities appear each level organization 
List the organization of living things. 
Answer: Atom 
molecule 
cell 
tissue 
organs 
organ system 
organism 
List the...
Organic Molecules contain _____ and _____ 
Answer: Carbon and Hydrogen 
Characteristics of organic molecules 
Answer: -have covalent bonds 
-have many atoms 
-associated with living things 
Characteristics of inorganic molecules 
Answer: -have ionic bonds 
-small # of atoms 
-associated with nonlivi...
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Add to cartOrganic Molecules contain _____ and _____ 
Answer: Carbon and Hydrogen 
Characteristics of organic molecules 
Answer: -have covalent bonds 
-have many atoms 
-associated with living things 
Characteristics of inorganic molecules 
Answer: -have ionic bonds 
-small # of atoms 
-associated with nonlivi...
Subatomic particles 
Answer: Tiny entities of matter 
Protons, Neutrons, Electrons 
Atoms 
Answer: Building block of all substances 
Molecules 
Answer: Group of atoms bonded together 
Organelles 
Answer: Any number of organized or specialized structures within a living cell 
Cells 
Answer: Smallest ...
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Add to cartSubatomic particles 
Answer: Tiny entities of matter 
Protons, Neutrons, Electrons 
Atoms 
Answer: Building block of all substances 
Molecules 
Answer: Group of atoms bonded together 
Organelles 
Answer: Any number of organized or specialized structures within a living cell 
Cells 
Answer: Smallest ...
reduction 
 ~ Gain of electrons by an atom or molecule with a concurrant storage of energy: in 
biological systems, the electrons are accompanied by hydrogen ions 
ribozyme 
 ~ RNA molecule that can catalyze chemical reactions 
substrate 
 ~ reactant in a reaction controlled by an enzyme 
vitami...
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Add to cartreduction 
 ~ Gain of electrons by an atom or molecule with a concurrant storage of energy: in 
biological systems, the electrons are accompanied by hydrogen ions 
ribozyme 
 ~ RNA molecule that can catalyze chemical reactions 
substrate 
 ~ reactant in a reaction controlled by an enzyme 
vitami...
What is the endomembranous system? 
 ~ Helps compartmentalize the cell for efficient work. Made of membranes 
connected directly OR by vesicle transfer. (Also restricts enzyme reactions to certain 
areas.) 
Which organelles are involved in the endomembranous system? 
 ~ Endoplasmic reticulum 
Go...
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Add to cartWhat is the endomembranous system? 
 ~ Helps compartmentalize the cell for efficient work. Made of membranes 
connected directly OR by vesicle transfer. (Also restricts enzyme reactions to certain 
areas.) 
Which organelles are involved in the endomembranous system? 
 ~ Endoplasmic reticulum 
Go...
The 4 nitrogen bases in DNA are: 
 ~ 1) Adenine 
2) Thymine 
3) Cytosine 
4) Guanine 
RNA ( ribonucleic acid) is made up of: (3 things) 
 ~ 1) sugar- ribose 
2) phosphate 
3) 4 bases 
The 4 bases in RNA are: 
 ~ 1) Adenine 
2) Uracil 
3) Guanine 
4) Cytosine 
ATP (Adenosine Triphosphate) consist ...
Preview 2 out of 11 pages
Add to cartThe 4 nitrogen bases in DNA are: 
 ~ 1) Adenine 
2) Thymine 
3) Cytosine 
4) Guanine 
RNA ( ribonucleic acid) is made up of: (3 things) 
 ~ 1) sugar- ribose 
2) phosphate 
3) 4 bases 
The 4 bases in RNA are: 
 ~ 1) Adenine 
2) Uracil 
3) Guanine 
4) Cytosine 
ATP (Adenosine Triphosphate) consist ...
are most prescription drugs currently used in the US originally derived from 
living organisms? 
 ~ true 
globally forests restore the climate by incorporating _____ from the 
atmosphere 
 ~ carbon dioxide 
most common cause of species extinction? 
 ~ habitat loss 
are islands susceptible to en...
Preview 2 out of 12 pages
Add to cartare most prescription drugs currently used in the US originally derived from 
living organisms? 
 ~ true 
globally forests restore the climate by incorporating _____ from the 
atmosphere 
 ~ carbon dioxide 
most common cause of species extinction? 
 ~ habitat loss 
are islands susceptible to en...
Lamarck proposed 
 ~ a mechanisms for evolution through the idea of acquired characteristics, which is 
incorrect 
Malthus suggested that 
 ~ war, famine, and disease were necessary to keep populations from growing too 
large 
Lyell described 
 ~ the Earth as having forces that cause change tha...
Preview 3 out of 23 pages
Add to cartLamarck proposed 
 ~ a mechanisms for evolution through the idea of acquired characteristics, which is 
incorrect 
Malthus suggested that 
 ~ war, famine, and disease were necessary to keep populations from growing too 
large 
Lyell described 
 ~ the Earth as having forces that cause change tha...
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