16520921
Questão 1
Questão
Biochemistry is the study of [blank_start]biomolecules[blank_end] and the chemical reactions that occur in [blank_start]living organisms[blank_end].
Responda
-
biomolecules
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natural compounds
-
living molecules
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living organisms
-
a closed system
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an environment
Questão 2
Questão
Biomolecules are...
Responda
-
proteins
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carbohydrates
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nucleic acids
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lipids
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fatty acids
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nucleic bases
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cholesterols
Questão 3
Questão
Chemical reactions are either endergonic or exergonic
Responda
- True
- False
Questão 4
Questão
[blank_start]Endergonic[blank_end] reaction: requires absorption of energy; products have [blank_start]greater[blank_end] free energy than reactants
[blank_start]Exergonic[blank_end] reaction: releases energy; products have [blank_start]less[blank_end] free energy than reactants
Responda
-
Endergonic
-
Exergonic
-
greater
-
less
Questão 5
Questão
Living matter is characterized by...
Responda
-
A high degree of complexity and organization
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The extraction, transformaation, and systematic use of energy to ceate and maintain structures and to do work
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the interactions of individual components being dynamic and coordinated
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the ability to sense and respond to changes in surroundings
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the capacity for fairly precise self-replication while allowing enough change for evolution
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the formation of organized organs and organelles
Questão 6
Questão
The three domains of life are:
Responda
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Bacteria
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Archaea
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Eukarya
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Protozoa
Questão 7
Questão
check all that apply to the amino acid
Responda
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Alanine
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Ala
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A
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hydrophobic side chain
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aliphatic
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electrically charged side chain
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Cysteine
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Cys
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C
-
aromatic
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