Carbon, Water, and Macromolecules

Which of the following is a solvent that is most often used by the body to dissolve salts, sugars, and minerals?

• water

• lipids

• carbon

• ammonia

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NGSS.HS-ESS2-5

Why is carbon so special compared to other elements?

• Carbon atoms can bond to one another and form a lot of different structures.

• Carbon atoms have four valence electrons and can form quadruple bonds.

• Only carbon atoms can form covalent bonds with oxygen and hydrogen.

• Only carbon atoms can be dissolved in water solutions and suspensions.

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NGSS.HS-LS1-6

NGSS.HS-LS2-5

Which of the following is a function of nucleic acids?

• store and transmit genetic information

• help to fight disease

• control the rate of reactions

• move substances into or out of cells

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which of the following is NOT a monomer?

• a monosaccharide

• an amino acid

• a nucleotide

• a protein

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NGSS.HS-LS1-6

Which statement is true about macromolecules?

• Monosaccharides are made of lipids.

• Carbohydrates are made of fatty acids.

• Proteins are made of carbohydrates.

• Nucleic acids are made of nucleotides .

Tags

NGSS.HS-LS1-1

Which of the following is the monomer (building block) of proteins?

• monosacharride

• amino acid

• fatty acid

• nucleotide

Tags

NGSS.HS-LS1-1

Enzymes affect the reactions in living cells by changing the

• products of the reaction.

• speed of the reaction.

• temperature of the reaction.

• pH of the reaction.

Changing the temperature or pH can change an enzyme’s ___________.

• nucleotides

• products

• lipids

• shape

Which macromolecule can be used to store energy?

• nucleic acid

• product

• lipid

• buffer

Which of the following makes up a molecule of water?

• one atom of hydrogen and one atom of oxygen

• one atom of sodium and one atom of chlorine

• one atom of hydrogen and two atoms of oxygen

• two atoms of hydrogen and one atom of oxygen

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NGSS.MS-PS1-1