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13568386
Biology 1080
Descrição
Biology 1080 final practice quiz.
Sem etiquetas
biology 101
biology
Quiz por
Charlie Kirkham
, atualizado more than 1 year ago
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Criado por
Charlie Kirkham
aproximadamente 6 anos atrás
10
0
0
Resumo de Recurso
Questão 1
Questão
The lowest level of biological organization considered alive is the
Responda
cell
macromolecule
atom
proton
Questão 2
Questão
In general, the job of a buffer is to
Responda
make a solution less basic
maintain pH homeostasis
disrupt pH homeostasis
make a solution less acidic
Questão 3
Questão
pH describes the concentration of
Responda
Hydrogen ions (H+)
Water molecules relative to ions
Hydrogen gas (H2)
Hydroxide ions (OH-)
Questão 4
Questão
Water molecules form hydrogen bonds and "stick to each other because
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the hydrogen atoms carry partial positive charges.
the oxygen atom carries a partial negative charge.
it is highly polar.
all of the above
Questão 5
Questão
Each atom of a given element always has the same number of
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protons
neutrons
isotopes
electrons
ions
Questão 6
Questão
How is evolution different from the other characteristics of life?
Responda
It takes a long time
It operates differently for different species
It occurs in populations, not individuals
It only occurs in multicellular organisms
Questão 7
Questão
The bond between monomers in lipids is the
Responda
Glycosidic linkage
Peptide bond
Phosphodiester bond
Ester bond
Questão 8
Questão
How is carbohydrate use similar or different between plants and animals? Select the true statement below.
Responda
In animals, carbohydrates only have a structural role, while in plants, carbohydrates are used to store energy
Carbohydrates only have a structural role in both plants and animals
Carbohydrates play a structural role and an energy role in both plants and animals.
In animals carbohydrates only function in energy story, while in plants, carbohydrates only have a structural role,
Questão 9
Questão
How do phospholipids interact with water molecules?
Responda
The polar heads avoid water; non-polar tails attract water
The polar heads interact with water; the non-polar tails do not.
Phospholipids don't interact with water because water is polar and lipids are non-polar.
Phospholipids dissolve in water.
Questão 10
Questão
The ɑ-helix and ꞵ pleated sheet are examples of which type of protein structure?
Responda
Primary
Secondary
Tertiary
Quaternary
Questão 11
Questão
Reactions that use a water molecule to break a large molecule into smaller subunits are called reactions.
Responda
Condensation
Hydration
Hydrolysis
Dehydration synthesis
Questão 12
Questão
Which type of structure would result in a functional protein?
Responda
Primary
Secondary
Tertiary
Denatured
Questão 13
Questão
The monomer of carbohydrates is the
Responda
Monosaccharide
Amino Acid
Fatty Acid
Nucleotide
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