What is the role of calcium ions in muscle contraction?
A. Initiate muscle relaxation
B. Activate troponin to expose binding sites on actin
C. Generate ATP for cross-bridge formation
D. Stabilize the sarcomere structure
Select your answer:
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DNA & Types of Reproduction › View
Freshwater Hydra bulges off the side of a parent and eventually separates as a new cell. Based on this information what type of reproduction is this?
A. sexual reproduction
B. asexual reproduction (budding)
C. asexual reproduction (fragmentation)
Virus › View
An individual was infected with a particular virus. The symptoms caused by the virus began very shortly after infection. The person’s immune system was able to fight off the infection and they now have a lifetime immunity and will never get sick from this particular virus again. Based on the information given, is this a lysogenic or lytic virus?
A. Lysogenic virus
B. Lytic virus
C. Mitosis
D. Apoptosis