Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 59008
TLS Online TPP Program

#Question id: 32390

What happens when Ca²⁺ binds to troponin C?

#Unit 2. Cellular Organization
  1. Troponin I strengthens its hold on actin
  2. Tropomyosin moves away, exposing myosin-binding sites on actin
  3. Myosin filaments shorten, leading to sarcomere contraction
  4. ATP is hydrolyzed directly by troponin
More Questions
TLS Online TPP Program

#Question id: 15967

#Unit 12. Applied Biology

Which culture technique is responsible for the immature embryo rescue?
TLS Online TPP Program

#Question id: 29006

#Unit 7. System Physiology – Animal

In bone, PTH receptors are located on
TLS Online TPP Program

#Question id: 1818

#Unit 4. Cell Communication and Cell Signaling

Which of the following is the single best defining molecule on, or in, a B-cell?
TLS Online TPP Program

#Question id: 5604

#Unit 5. Developmental Biology

Upon secretion of wnt, When Wnt attaches to the Frizzled receptor on a responding cell, the cell secretes Notum, cleaves off Wnt’s attached lipids. This process is called as:
TLS Online TPP Program

#Question id: 28754

#Unit 2. Cellular Organization

Which of the following sequence at the C-terminus is necessary for peroxisomal targeting also known as peroxisomal targeting sequence 1, or simply PTS1?