It is important to keep a microscope covered when not being used. Even when storing a microscope in a cabinet a dust cover must always be applied. By applying the dust cover to your microscope it prevent dust from getting in the eye lenses
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An atom is the smallest particle in a chemical element that holds its chemical properties. Although in the past it was thought impossible to break an atom, within modern chemistry we know that an atom is composed of subatomic particles, which compose the atomic model:
1) electrons, which have a negative charge, such a small size that it is immeasurable, and a mass much smaller than the other two subatomic particles; 2) protons, which have a positive charge; and 3) neutrons, which have no charge.
The protons and neutrons form a dense and massive atomic nucleus, which is called multipons nuclei. The electrons form a cloud of electrons that surround the nucleus.
A.) The bones of her vertebrae have lost calcium and crumbled enough to begin pinching the nerves leaving her spinal cord.
Answer:
Transcription is the process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA). ... Together, the transcription factors and RNA polymerase form a complex called the transcription initiation complex.
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