Biochemistry Quiz

What is the role of lactate in the blood?

• Energy storage

• Cellular repair

• Buffering

• Protein synthesis

What is the purpose of converting lactate to pyruvate in cells?

• To create energy

• To store fat

• To synthesize proteins

• To produce vitamins

Tags

NGSS.HS-LS1-7

Which enzyme is responsible for lactate production?

• Lactate dehydrogenase

• Pyruvate kinase

• Hexokinase

• Phosphofructokinase

What is the primary source of energy for Type I muscle fibers?

• Glucose

• Fatty acids

• Proteins

• Lactate

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Which molecule is a byproduct of the glucose-alanine cycle?

• Urea

• Ammonia

• Carbon dioxide

• Water

What is the role of pyruvate in energy production?

• It is stored as fat

• It enters the Krebs Cycle

• It is converted to proteins

• It is used for DNA synthesis

Tags

NGSS.HS-LS1-7

What happens when energy demand is greater than energy supply?

• Energy is stored

• Energy is wasted

• Fuel is burned

• Energy is converted to fat

What is the density of fat compared to water?

• Higher

• Lower

• Equal

• Variable

What condition is caused by arteries blocked in the heart?

• Stroke

• Heart attack

• Atherosclerosis

• Hypertension

Which enzyme is responsible for the mobilization of fat?

• Amylase

• Lipase

• Protease

• Lactase