Answer:
Skeletal muscle tissue is composed of cells called muscle fibers. When the nervous system signal reaches the neuromuscular junction a chemical message is released by the motor neuron. The chemical message, a neurotransmitter called acetylcholine, binds to receptors on the outside of the muscle fiber.
Cell are the structural and functional unit of living organisms
Answer:
increasing substrate concentration,
Explanation:
The reaction rate still increases with increasing substrate concentration, but levels off at a much lower rate. By increasing the enzyme concentration, the maximum reaction rate greatly increases. Conclusions: The rate of a chemical reaction increases as the substrate concentration increases.
The nucleus contains the protons and neutrons giving it the most mass
B. heterozygous polydactyl best describes the genotype of the cats in the third generation that have polydactyly.
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