Answer:
The endoplasmic reticulum (ER) is the main site for lipid synthesis.
Neurotransmitters are released into the synaptic cleft, the gap between synaptic terminals and adjacent neurons, and then bind to special neurotransmitter receptors, molecules on the membrane of adjacent neurons.
Neurotransmitters are body’s chemical messengers produced by the nerve cells. Neurotransmitters are used by the nervous system to send messages to other cells, including other nerve cells and muscle cells. Neurotransmitters are classified according to their functions as; excitatory neurotransmitters, inhibitory neurotransmitters, and modulatory neurotransmitters. The major types of neurotransmitters include; trace amines such as N-methylphenethylamine, amino acids such as D-serine, and gasotransmitters such as carbon monoxide (CO).
Answer:
The correct answer is A copies the coded message from the DNA to cytoplasm .
Explanation:
mRNA plays a significant role during protein synthesis .mRNA also called messenger RNA contain codons which inturn contains the genetic information that comes from DNA.
mRNA is synthesized inside the nucleus during transcription but when that mRNA is transported into the cytoplasm for translation it carries the coded message or information from DNA of nucleus to the cytoplasm.
Answer:
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In 1775 Jenner began to study the relationship between cowpox (a comparatively harmless disease) and the more dangerous and disfiguring smallpox. ... He hypothesized that exposure to cowpox rendered the body immune from smallpox. After nearly twenty years of experiments, he developed the first vaccine.
