Biology Ch 6 Review

What does the image show?

• a physical reaction
• ion
• a chemical reaction
• activation energy

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-2

NGSS.HS-PS1-4

Which process changes a chlorine atom into a chloride ion?

• electron gain
• electron loss
• proton gain
• proton loss

Which of the following is a pure substance that cannot be broken down by a chemical reaction?

• a compound
• a mixture
• an element
• a neutron

How do the isotopes of hydrogen differ?

• the number of protons
• the number of electrons
• the number of energy levels
• the number of neutrons

The four main types of carbon-based molecules in organisms are carbohydrates, lipids, nucleic acids, and

• starches.
• fatty acids.
• monosaccharides.
• proteins.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Proteins are polymers formed from

• lipids
• carbohydrates
• amino acids
• nucleic acids

Tags

NGSS.HS-LS1-1

An enzyme speeds up a reaction by

• lowering the activation energy
• raising the activation energy
• releasing energy
• absorbing energy

Tags

NGSS.HS-LS1-7

What is the use/function of carbohydrates?

• transmit genetic information 
• source of energy 
• to make proteins
• to build body structures 

Tags

NGSS.HS-LS1-7

Which of the following are types of carbohydrates?

• fats, waxes, and oils
• DNA & RNA
• sugars & starches 
• enzymes & hormones 

Which of the following are examples of lipids?

• DNA & RNA
• sugars & starches
• fats, oils, waxes
• enzymes & antibodies