What generally triggers the release of calcium ions by ryanodine receptors?
a) potassium efflux
b) an action potential
c) IP3 uptake
d) IP3 release
e) sodium influx
Ans: b) an action potential
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Tetanus is:
A. a muscle contraction of sustained force. B. a contraction caused by a single action potential. C. an abnormal muscle contraction. D. a contraction where the muscle does not change length. E. a contraction that slowly increases in force.
The genes encoding for proteins involved in photosynthesis are located in the chloroplast
Indicate whether the statement is true or false.
During DNA replication, the continuous daughter strand is the leading strand
Indicate whether the statement is true or false
Male gamete having a haploid number of chromosomes and the ability to fertilize an egg, the female gamete.
What will be an ideal response?