Answer:
B. Codon
Explanation:
Codon- a sequence of three nucleotides which together form a unit of genetic code in a DNA or RNA molecule
This might help,the presence of hydrochloric acid creates an acidic environment within the stomach that is needed to convert pepsinogen to pepsin. Mucus that is produced by the epithelial cells of the stomach help protect the lining of the stomach from the corrosive hydrochloric acid and pepsin.
Answer: peristalsis
Explanation:it's the contraction and relaxation of muscles as the bolus moves down the oesophagus
Underwater Ways!
The Aquarius Reef Base is an underwater habitat 5.4 meters off Key Largo in the Florida Keys National Marine Sanctuary. It is deployed on the ocean floor 62 ft below the surface and next to a deep coral reef called Conch Reef.
(That is all I can tell you.)
Refraction- bending of light waves (ex. straw in a cup of water looks bent on a side but really is NOT, this is due to refraction, it bends the light waves reflected)
Luminescence- Creation/Emission/Starting or making of light through ways that DO NOT INVOLVE heat.
Ultraviolet- a wavelength that is part of the electromagnetic spectrum its shorter than visible light waves.
