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1. Made of structrues called phospholipids with a polar, hydrophobic head region and a non-polar hydrophillic region.

2. Formation of a bilayer.

3. Contains cholestero...

A hormone is a chemical messenger which travels in the blood.  Hormones cause other tissues and organs to either produce other hormones or carry out chemical reactions. Water-soluble hormones cause this b...

In order to answer your question let's separate replication process into steps.

Step 1: Unwinding of double-stranded DNA

The first step of DNA replication involves bi...

Aseptic techniques prevent the contamination of a sample from other bacteria or pathogens. It is important to do this to ensure that the sample we are dealing with remains pure. Microorganisms are in the ...

There are 2 components, the sympathetic nervous system and the parasympathetic nervous system. They are a collection of nerves and neurotransmitters throughout the human body and present in both the centr...