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1516768
Unit 2 Practice Quiz
Descrição
This will help you prepare for the Unit 2: Chemistry of Life test.
Sem etiquetas
macromolecules
biology
cell biology
water
proteins
lipids
Quiz por
sealescience
, atualizado more than 1 year ago
Mais
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Criado por
sealescience
quase 10 anos atrás
712
12
0
Resumo de Recurso
Questão 1
Questão
Compare the structure of carbohydrates and lipids.
Responda
They both contain hydrogen-carbon bonds.
The both contain the elements carbon, hydrogen, and oxygen.
They're both constructed with long hydrocarbon chains.
They're both used for structures in the body.
They're both made of carbon rings.
Questão 2
Questão
Which of the following is a list of monomers?
Responda
carbohydrates, nucleic acids, proteins
nucleotides, amino acids, monosaccharides
glucose, amino acids, fatty acids
lipids, proteins, amino acids
Questão 3
Questão
Which of the following are biological processes?
Responda
monomers, polymers
lipids, carbohydrates, H2O
dehydration synthesis, protein synthesis, hydrolysis
photosynthesis, hydrolysis
Questão 4
Questão
Which of the following are biological macromolecules?
Responda
carbohydrates
lipids
nucleic acids
proteins
water
salt
Questão 5
Questão
Which of the following elements are found in a protein?
Responda
carbon
hydrogen
oxygen
nitrogen
phosphorous
sodium
Questão 6
Questão
Why is water considered a polar molecule?
Responda
it contains two hydrogen atoms
both ends carry a positive charge
both ends carry a negative charge
each end has a different charge (positive and negative)
it dissolves other polar molecules
Questão 7
Questão
What is the maximum number of covalent bonds one carbon atom able to form?
Responda
1
2
4
8
Questão 8
Questão
Which of the following describes the role of a phospholipid?
Responda
Phospholipids store short term energy for the cell
Phospholipids catalyze (speed up) chemical reactions
Phospholipids form the cell's membrane
Phospholipids carry hereditary information
Questão 9
Questão
Which of the following shows foods high in carbohydrates?
Responda
eggs, meat, fish, beans
fats, oils, waxes
bread, rice, vegetables, and sugar
Questão 10
Questão
Which of the following is liquid at room temperature?
Responda
saturated fatty acids
unsaturated fatty acids
phospholipids
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