<span>Adjacent-1 segregation and adjacent-2 segregation.
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Answer:
A,C,F,E,D,B
Explanation:
The is the sequence of action potential transmission at at the neuromuscular junction. Generally the arrival of action potential from the presynptic neuron caused influx of ca+ which causes migration and the release of the the acetycholine to the synaptic cleft.
The acetycholine binds with the receptors on the saccolemma to causes opening of Na+ , its influx to causes depolarizarion of the sacolemma. The depolarization of the latter spreads along the transverse tubules, This depolarization causes increases in the permeability of the sacorplasmic reticulum, with opening of ca+ channels and diffusion of Ca+ out of the S. reticulum.
The Ca+ binds to troponin,and tropomyosin exposed the myosin-binding sites on actin filament . The myosin head forms the cross bridges with the filament, and therefore the sacomere shortens leading causing muscle contraction.
Which of the following statements is true?
Answer: Out of all the options shown above the one that represents a true statement is answer choice C) Atoms bond with one another in a molecule. The reason being that a molecule is a group of atoms that are bond together.
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Answer:
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
The answer is false.
The two main nuclear processes are nuclear fission and nuclear fusion.
In fission, a large nucleus is bombarded with a high energy neutron, resulting in the breakdown of the nucleus and the release of two smaller nuclei along with neutrons and high amounts of energy.
In nuclear fusion on the other hand, two smaller atomic nuclei possessing high amounts of energy to form a larger nucleus, with the possible release of neutrons. This process is also highly exothermic.
