A DNA is made up 4 nucleotides bases The four ntd bases are ADININE, THYMYNE...
Explanation:
A hole in the center of the stage allows light to pass from the light source beneath the stage through the slide specimen, which should be centered over the hole in the stage. Keep the stage dry at all times. Fluids can damage metal parts and also make it difficult to move a slide around on the stage.
Answer:
Classification of organisms is done while considering many factors such as:
Cell type- whether the organism is prokaryotic or eukaryotic
Cell structure- This includes both the presence and composition of the cell wall
Body type- whether the organism is multicellular or unicellular
Mode of nutrition- the method through which the organism achieves its nutritional requirement, by consuming other organisms (heterotroph) or making its own food (autotroph)
The statement is true. Atelectasis is the collapse or closure of a lung resulting in reduced or absent gas exchange. It may effect part or all of a lung. An airway blockage also can cause Atelectasis. A blockage may be due to a foreign object, a mucus plug, lung cancer, or a poorly placed breathing tube from a ventilator. When a blockage occurs, the air that's already in the air sacs is absorbed into the bloodstream.
These changes are brought about by the secretion of estrogen and androgens by the ovaries.
The ovaries start producing these hormones which are responsible for these changes that Molly is experiencing. Her puberty is just starting, which means that her body is getting "modified" so as to accommodate her new alterations.