Biochemistry

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

• Carbon

• Proteins

• Hydrogen Oxygen Nitrogen

• Organic Compounds

Tags

NGSS.MS-LS1-7

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.HS-LS1-6

The basic building blocks of a protein are

• amino acids

• fats

Tags

NGSS.HS-LS1-6

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

• inorganic molecules

• organic molecules

• biological catalysts

• simple sugars

Proteins, starch, and DNA are similar in that they are all

• organic compounds

• parts of genes

• made of amino acids

• made of simple sugars

Organic compounds are used as building blocks for

• water, DNA, and starches

• water, proteins, and oxygen

• proteins, DNA, and carbon dioxide

• proteins, starches, and fats

Tags

NGSS.HS-LS1-6

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

Which substances are necessary for the synthesis of most materials in an organism?

• carbohydrates

• enzymes

• hormones

• antibodies

Tags

NGSS.HS-LS1-6

NGSS.HS-LS1-1

Which statement describes all enzymes?

• They control the transport of materials.

• They provide energy for chemical reactions.

• They affect the rate of chemical reactions.

• They absorb oxygen from the environment.

Tags

NGSS.HS-LS1-7

NGSS.HS-PS1-5

In the body of a human, the types of chemical activities occurring within cells are most dependent on the

• biological catalysts present

• size of the cell

• number of chromosomes in the cell

• kind of sugar found on each chromosome

Tags

NGSS.HS-LS2-3