AP Biology Semester Exam Review

The main structural component of the plasma membrane. 

• cholesterol
• protein
• phospholipid
• nucleic acids

A shortage of phosphorus in the soil would make it difficult to manufacture __.

• DNA
• fatty acids
• proteins
• sucrose

What does A represent?

• active site
• allosteric site
• enzyme
• substrate

What does C represent?

• substrate
• enzyme
• allosteric site
• active site

What is happening at point B?

• the enzyme is denatured
• the enzyme is saturated
• the substrate is used up
• the reaction is occurring at its fastest rate

Four elements make up more than 96% of the human body.  These include all of the following except __.

• Carbon
• Hydrogen
• Nitrogen
• Phosphorus

Cells within this gland secrete a hormone that in times of emergency, increase the glucose level of the blood and speeds up the actions of the circulatory and respiratory systems.

• adrenal
• pancreas
• thyroid
• anterior pituitary

Tags

NGSS.HS-LS1-3

Which of the following are products of the light reaction?

• ATP and NADH
• glucose and oxygen
• oxygen and NADPH
• carbon dioxide and water

A mutant bacterial strain without ribosomes would be incapable of producing ___.

• cellulose
• amylase
• DNA
• phospholipids

Tags

NGSS.HS-LS1-6

Following depolarization, the neuronal membrane potential is restored when __.

• Ca+2 ions flow in
• K+ ions flow out
• Na+ ions flow in
• Cl- ions flow out