Andrea became highly aroused and alert when she was stung by a bee thanks to the activation of her reticular formation. Recticular formation is a nerve network of nuclei clusters found in the human brain stem. It has projection to the thalamus and cerebral cortex that allow it to exert some control over which sensory signals reach the cerebrum and the conscious of the body.
Events of the light-dependent reaction of photosynthesis starts with the absorption of sunlight and ends with ATP production.
<h3>Events of light-dependent reaction</h3>
- In the first step energy is absorbed from the sun and then water is broken down.
- Hydrogen ions of the water molecules are transported across the thylakoid membrane.
- NADPH is produced from NADP+.
- Hydrogen ions diffuse through the protein channel.
- ADP turns into ATP.
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The molecular sequence, or blueprint for a protein, is originally carried by <span>DNA. Deoxyribonucleic acid is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses. DNA and ribonucleic acid are nucleic acids; alongside proteins, lipids and complex carbohydrates, they are one of the four major types of macromolecules that are essential for all known forms of life. Most DNA molecules consist of two biopolymer strands coiled around each other to form a double helix. </span>
If there are no multiple choice options; a refrigerator makes about the same of 50 decibel, an electric toothbrush makes about 60 and a washing machine makes 70
