Muscle Diagram Quiz

When you need to pick up your backpack from the floor your brain is going to send a message to your motor neuron causing it to

• Release Ca2+ into the cell

• Open the Na+ channels

• Release acetylcholine that binds to the sarcolemma

• Attach ATP to the myosin heads

Once the Ca2+ enters the cell it will

• Bind to the myosin heads

• Bind to the actin

• Open the Na+ channels

• Release acetylcholine

When the actin filament has been changed the myosin heads are able to attach. To attach the myosin heads need

• ATP

• NADH

• Ca2+

• Na+

When the myosin heads are attached they pull the actin and this causes the sliding action and the muscle to contract. After this sliding the muscle needs _______ so the process can begin again.

• Na+ to release from the myosin

• Ca2+ to release from the actin

• ATP to release from the actin

• ATP to release from the myosin

The cellular process that breaks down glucose to make ATP is called

• Photosynthesis

• Protein Synthesis

• Cell Respiration

The overall chemical equation for the most prevalent pathway of cellular respiration is which of the following?

• O₂ + C₆H₁₂O₆ ➔ CO₂ + H₂O + Energy

• O₂ + C₆H₁₂O₆ + Energy ➔ CO₂ + H₂O

• CO₂ + H₂O ➔ O₂ + C₆H₁₂O₆ + Energy

• CO₂ + H₂O + Energy ➔ O₂ + C₆H₁₂O₆

Which of the following shows the steps of cell respiration in the CORRECT order?

• Glycolysis ➔ Krebs Cycle ➔ Preparatory Step ➔ Electron Transport Chain

• Glycolysis ➔ Preparatory Step ➔ Krebs Cycle ➔ Electron Transport Chain

• Preparatory Step ➔ Glycolysis ➔ Krebs Cycle ➔ Electron Transport Chain

• Preparatory Step ➔ Krebs Cycle ➔ Glycolysis ➔ Electron Transport Chain

How many ATP molecules are produced during Glycolysis?

• 0

• 2

• 34

• 38

How many ATP molecules are produced during the Electron Transport Chain?

• 0

• 2

• 34

• 38

Cell respiration breaks down 1 glucose molecule to produce ______ ATP molecules.

• 38

• 32

• 24

• 40