What is the Tropic of Capricorn and Tropic of Cancer? Why are they so important?

Lymphocytes are a type of white blood cell that produces antibodies and antitoxins. The antitoxins destroy the toxins produced by bacteria/viruses which cause damage to the tissues in the body....

Lukemia ( Blood Cancer ) which is abnormal increase in WBC is the cancer associated with cancer of blood forming tissue, that is bone marrow.

Unfortunately, early-stage stomach cancer rarely causes symptoms. This is one of the reasons stomach cancer is so hard to detect early. The signs and symptoms of stomach cancer may include:...

So variable stars can be used as standard candles to measure distances to galaxies and stars.

They are important because they can be used to calculate the mass of the star if you know its mass. This can then be used to calculate the apparent magnitude...

If we can observe how long it takes for a Cepheid to go from bright, to dim, back to bright, we can use that to tell exactly how bight the...

Telomeres are the terminal DNA sequences found in the chromatids of chromosomes. Replicated chromosomes have two chromatids. These sequences often have repetitive DNA sequences and their function is to...

The type of tissue is different. cells need to have different features to reside in different types of tissue. The features unique to cancer cells resident in...

The hypothalamus secretes tropic hormones which act on the anterior pituitary gland, causing it to secrete its own tropic hormones. An example is the hormone thyrotropin releasing hormone (TRH) secreted...

Every nucleus needs these neutrons for preventing these positively charged protons from pushing themselves away from each other (the real story is much more complicated). Usually there are about the...