Answer: For building amino acids, proteins and nucleic acids.
Explanation:
Living cells requires nitrogen because they are major part of amino acids. They form the building block of protein and nucleic acids such as DNA which carry the genetic information and is passed from generations to generations. Plants and animal need nitrogen for growth and survival. The protein is use for building and repairing muscles and it is a necessity for growth.
Answer: True
Explanation:
The neuron has leak channels in the cell body, axon and dendrite and cell body. This is because the trans membrane potential exists in all parts of the cell membrane.
Because of this reason the the leak channels are available at each part of the neuron.
The action potential, trans membrane potential should exits in all the parts of the cell so it should be located in all the parts of cell.
Answer:
Smooth Muscle
Explanation:
In the digestive tract it's called the muscularis mucosa.
It can become an ion because it can lose or gain an electron. It can become a part of molecule because it can form covalent bond with other atoms to gain a full valence shell.
