IB SEHS Option B

What is a function of adrenaline?

• Increases stimulation of the parasympathetic nervous system

• Increases heart rate

• Decreases glycogenolysis

• Decreases heart rate

Tags

NGSS.HS-LS1-3

Which energy system is the predominant contributor of ATP for a runner participating in a marathon?

• ATP–PC system

• Anaerobic system

• Lactic acid system

• Aerobic system

Tags

NGSS.HS-LS2-3

Where is glycogen primarily stored in the body?

• The liver and brain

• The liver and skeletal muscle

• Cardiac muscle and the brain

• Cardiac muscle and the liver

Which is a condensation reaction?

• Breaking of the bonds in glycogen and creation of a water molecule

• Addition of two glucose molecules and creation of a water molecule

• Breaking of the bonds in glycogen and absorption of a water molecule

• Addition of two glucose molecules and absorption of a water molecule

An untrained individual with healthy BMI starts to train for a marathon. What change should they make to their diet?

*Make sure to look at the picture.

• A

• B

• C

• D

What is an anabolic reaction?

• When small molecules are combined into larger molecules

• When complex molecules are broken into smaller molecules

• When there is a net release of energy

• When no energy is used or released within the reaction

Tags

NGSS.HS-LS1-6

Which molecule is represented by the diagram below?

• Glucose

• Fat

• Amino acid

• Protein

What are the products of anaerobic glycolysis?

• 2 ATP per glucose molecule and lactic acid

• 2 ATP per glucose molecule and no lactic acid

• 34–36 ATP per glucose molecule and no lactic acid

• 34–36 ATP per glucose molecule and lactic acid

Tags

NGSS.HS-LS2-3

Where does salivary amylase break down food?

• Mouth

• Stomach

• Small intestine

• Large intestine

Select the correct response for an enzyme

• It is a lipid

• They are non-specific (they target any molecules)

• They work optimally under any pH environment

• It is a catalyst that speeds up the breakdown of molecules