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TLS Online TPP Program

#Question id: 32388

What is the role of troponin I in muscle contraction?

#Unit 2. Cellular Organization
  1. It binds to actin and promote myosin binding in resting muscle
  2. It binds to actin and helps inhibit myosin binding in resting muscle
  3. It anchors tropomyosin to myosin filaments
  4. It directly hydrolyzes ATP for muscle contraction
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TLS Online TPP Program

#Question id: 2371

#Unit 2. Cellular Organization

The Cell Theory states that
TLS Online TPP Program

#Question id: 2372

#Unit 2. Cellular Organization

The principal component of the cell wall is
TLS Online TPP Program

#Question id: 2373

#Unit 2. Cellular Organization

Plasmodesmata
TLS Online TPP Program

#Question id: 2374

#Unit 2. Cellular Organization

Which of the following best describes the fluid mosaic model?
TLS Online TPP Program

#Question id: 2375

#Unit 2. Cellular Organization

 Plastids that contain starch are called _________, whereas those that contain red and yellow pigments are called_________.
TLS Online TPP Program

#Question id: 2376

#Unit 2. Cellular Organization

Which organelle is composed of cristae and a matrix?