DNA packaging

  Introduction. Cell division is an essential part of any multicellular organism. The main reason for cell division is to make sure each daughter cell receives a copy of every chromosome. DNA being the blueprint for the building of cells, the slightest error could result in disease or death; therefore, a cell has set aside … Read more

DNA Fingerprinting

  Fingerprinting could be a chemical check that shows the genetic makeup of an individual or different living things.It’s used as proof in courts, to spot bodies, capture blood relatives, and to seem for cures for sickness. Genetic makeup DNA process uses chemicals to separate strands of deoxyribonucleic acid and reveal the distinctive elements of … Read more

Development of Seed and Formation of Fruit

A seed is an embryo surrounded by nutritive tissue and developed by a seed coat. An immature seed before fertilization is called an ovule. A typical seed consists of three parts, namely the embryo, a supply of nutrients for the embryo, and a seed coat. Seed development. This is a process that occurs from ovule … Read more

Development of male and female gametophytes in flowers

  The male and female gametophytes differ in a way such that the pollen grain or microspore produces the male gametophyte while the megaspore produces the female one. These two are the stages of heterosporous plants. The male gametophyte. In an immature anther, the male gametophyte develops. The male reproductive system of a plant contains … Read more

Development of male and female gametophytes in flowers

  The male and female gametophytes differ in a way such that the pollen grain or microspore produces the male gametophyte while the megaspore produces the female one. These two are the stages of heterosporous plants. The male gametophyte. In an immature anther, the male gametophyte develops. The male reproductive system of a plant contains … Read more

Development of Endosperm and Embryo

  Development of endosperm. Introduction The endosperm is the tissue formed inside the seeds of most angiosperms following fertilization. The endosperm is triploid in most species of flowering plants and surrounds the embryo. Functions. It surrounds the embryo, thus providing nutrition in the form of starch. It may also contain oils and proteins which can … Read more

Deforestation

  Deforestation is the clearing of forests or trees by humans in order to use the trees and to make the land available for other uses. Deforestation involves clearing the trees without the intention to replant them. Causes of deforestation. Overpopulation: overpopulation leads to the demand for more land to establish settlements and housing. Increased … Read more

Deforestation

  Deforestation is the clearing of forests or trees by humans in order to use the trees and to make the land available for other uses. Deforestation involves clearing the trees without the intention to replant them. Causes of deforestation. Overpopulation: overpopulation leads to the demand for more land to establish settlements and housing. Increased … Read more

Decomposition

  Decomposition refers to the natural process of plant and animal tissue being broken down. This is an important process in any given ecosystem. This process is gradual and complex, involving both chemical and biological processes. Decomposition has been occurring since the first sight of life and will continue as long as life exists. Recently, … Read more

Death Rate

  The death rate is also known as the mortality rate and it is measured in the number of deaths in the specific populations, scaled to the size of that population per unit of time. Typically, it is expressed as the death of a thousand individuals of a species, per year. It is the measurement … Read more