Did you know?
Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Did you know?
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
The life cycle of a typical fern.
Fluid compartments in a typical vertebrate.
A typical ball-peen hammer.
A typical beginning technician tool set that includes the basic tools to get started.
The flow of genetic information in a typical cell
Typical vein patterns in eudicot and monocot leaves