Distinguishing Type 1 and Type 2 Muscle Fibers

What is the golden rule for differentiating between type 1 and type 2 muscle fibers?

• Type 2 muscle fibers have more mitochondria.

• Type 1 muscle fibers have more mitochondria.

• Type 2 muscle fibers are slower.

• Type 1 muscle fibers are faster.

Tags

NGSS.HS-LS2-3

Why are type 1 muscle fibers red?

• They have more oxygen.

• They have more blood vessels.

• They have more myoglobin.

• They have more mitochondria.

What is the speed of contraction for type 1 muscle fibers?

• Fast

• Slow

• Variable

• Moderate

What type of twitch are type 1 muscle fibers known for?

• Intermediate twitch

• Variable twitch

• Slow twitch

• Fast twitch

Which type of respiration do type 1 muscle fibers primarily use?

• Photosynthesis

• Aerobic respiration

• Anaerobic respiration

• Fermentation

Tags

NGSS.HS-LS2-3

What is the duration of contraction for type 1 muscle fibers?

• Variable

• Long

• Moderate

• Short

Which muscle fibers are used for long-duration activities like standing?

• Type 2 muscle fibers

• Neither type 1 nor type 2

• Both type 1 and type 2

• Type 1 muscle fibers

Which type of muscle fibers are fatigue resistant?

• Neither type 1 nor type 2

• Type 2 muscle fibers

• Type 1 muscle fibers

• Both type 1 and type 2

What is the power of contraction for type 1 muscle fibers?

• Strong

• Moderate

• Weak

• Variable

How do type 1 muscle fibers store their energy?

• As creatine phosphate

• As ATP

• As glucose

• As triglycerides