Cumulative Review Biochem Carbon Water pH

What substance could be represented by the letter X in the diagram below?

• Sugars

• Inorganic compounds

• Hydrogen Oxygen Nitrogen

• Organic Compounds

Tags

NGSS.MS-LS2-3

Which group contains only molecules that are each assembled from smaller organic compounds?

• proteins, water, DNA, fats

• proteins, starch, carbon dioxide, water

• proteins, DNA, fats, starch

• proteins, carbon dioxide, DNA, starch

Tags

NGSS.MS-LS1-7

The diagram below represents a sequence of events that occurs in living things. Letter X represents

• inorganic molecules

• organic molecules

• biological catalysts

• simple sugars

Tags

NGSS.MS-LS1-7

The accompanying diagram illustrates a biochemical process that occurs in organisms. The substance labeled “catalyst” is also known as

• hormones

• antibodies

• enzymes

• an inorganic compound

Tags

NGSS.HS-LS1-7

The diagram below represents a beaker containing a solution of various molecules involved in digestion. Which structures represent products of digestion?

• A and D

• B and E

• B and C

• D and E

Tags

NGSS.HS-LS2-3

Organize these options into their correct macromolecule

Groups:

(a) Carbohydrates

,

(b) Lipids

,

(c) Proteins

,

(d) Nucleic Acids

• 
• Transmit genetic information

• Long term energy storage

• 
• Hormones and enzymes

• 
• 
• Short term energy storage

Tags

NGSS.MS-LS3-1

Which of these is not a property of unsaturated lipids?

• Bent chains

• Liquid at room temp

• Double bonded

• From plants

• Straight chains

The process used to split polymers; this is done by adding water

• Dehydration
• Hydrolysis
• Enzomatic
• Tetratonic

Tags

NGSS.MS-PS1-2

Why does ice float in water?

• Because of stronger hydrogen bonds at the surface
• The density of water as a solid is less than the density of water as a liquid
• Surface tension helps it float
• It is more dense

The pH of a strong acid would be:

• 1-2
• 5-6
• 8-9
• 12-13