Biology Essay Examples Page 28

Protons are positively charged and form the nucleus of an atom with neutrons that carry no charge. Electrons are negatively charged and are constantly moving around the nucleus. Ions are created when electrons move from one atom to another atom changing the charge of that atom to either positive or negative. When electrons move they…

Resolution is a measure of the clarity of the image; t is the minimum distance two points can be separated and still be distinguished as two points. 2. The development of electron microscopes has further opened our window on the cell and its organelles. What is considered a major disadvantage of electron microscopes? The methods…

Parts Of The Flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants. The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs. Flowers may facilitate outcrossing or allow selfing. Many flowers have evolved to…

According to Poortmans and Francaux (2000), there has been an increase in the use of oral creatine monohydrate among professional and amateur athletes. Creatine is a substance that athletes and bodybuilders use to improve the production of Adenosine Triphosphate (ATP), which gives them the energy needed for performance. This study aims to investigate the impact…

Discuss social, ethical and biological issues associated with cancer Cancer is one of the most complex and devastating diseases that claim the life of many humans. Today there are one in three people worldwide who are affected by cancer, and almost 60% of these people will almost certainly die. 7000 New Zealanders die every year…

             Skin is the largest organ, it covers your whole body. It consists of three basic layers, the epidermis, the dermis, and the subcutis. They each have their own set of layers. The epidermis is the top layer of your skin. It is made up by the kernatinocytes which are single cells. The epidermis has…

A biome is a diverse habitat where different types of flora and fauna naturally exist. Biomes include freshwater, marine, desert, forest, grassland, and tundra. The ocean falls under the marine biome category, so when talking about large bodies of water like the ocean, we are essentially discussing marine biomes. The ocean biome, unlike freshwater, consists…

The stray intestine has a self-generated activity with rhythmic contractions and relaxation of its smooth musculuss. Assorted drugs that affect the smooth musculuss by either direct or indirect stimulation were used ( Day & A ; Vane 1963 ) . These drugs were acetylcholine, atropine, adrenaline, noradrenaline and d-tubocurarine. Acetylcholine is a neurotransmitter ( Martini…

INTRODUCTION TO ASCLEPIAS CALIFORNICA The terrestrial plant, Asclepias californica, is the primary food source for Monarch butterflies. It can only germinate and produce seeds if provided with the proper environmental influence. The California milkweed’s population is spread out in the southern and coastal areas of California where there are flat lands and grassy slopes. It…

MEDICINAL Plants This subdivision consist a list of sub-groups that gives information about Introduction, Importance, Systems of medical specialty, Utilization of medicative workss. Introduction to Medicative workss: Approximately 250,000 higher works species on Earth, more than 80,000 species are reported to hold at least some medicative value and around 5000 species have specific curative value….