Zonkey

The Basics “Zonkeys” are hybrid animals produced by mating zebras and donkeys. Zonkeys are not a true species because they have an odd number of chromosomes and cannot reproduce. While zonkeys are rare, they are bred in a number of zoos and specialized farms around the world. Zonkeys are also referred to as zebonkey, zebrinny, … Read more

Ovule

Ovule

Ovule Definition The ovule is part of the makeup of the female reproductive organ in seed plants. It’s the place where female reproductive cells are made and contained, and it is what eventually develops into a seed after fertilization, only for the seed to then ripen and produce a complete adult plant.  Ovules are contained … Read more

Synapsis

Synapsis Definition Synapsis is an event that occurs during meiosis in which homologous chromosomes pair with their counterparts and remain bound due to the exchange of genetic information. During meiosis, homologous chromosomes are paired and then separated to reduce the genetic content of the resulting gamete cells.  Synapsis does not occur during mitosis, because homologous … Read more

Tonicity

Tonicity

Tonicity Definition Tonicity refers to the concentration of a solution in comparison to another solution. Concentration refers to the amount of solutes dissolved by a solution. A hypertonic solution has a higher concentration of solutes (less water) than another. Hypotonic solutions have a lower concentration of solutes and more water than other solutions.  The concentration … Read more

Haploid Cell

A haploid cell contains a single set of chromosomes (n), whereas a diploid cell contains two sets (2n). In humans and most other multicellular organisms, the majority of cells are diploid, and only the gametes (egg and sperm cells) are haploid. However, some organisms consist entirely of haploid cells, and may reproduce sexually or asexually. … Read more

Cell Structure

Cell Structure

Cells are the fundamental units of life from which all other living things are made. They contain all the molecules and structures needed for individual cell survival and the survival of the organism as a whole. Different cells have different subcellular structures, but all eukaryotes contain the same three parts: the nucleus, the cell membrane, … Read more

What is the Difference Between Fall and Spring Semester?

When looking at a college calendar, you likely will notice that they have Fall Semester and Spring Semester start and end dates. But what are the differences between these two periods of time, and how does it affect your college education? We’ll run through the differences between the fall and spring semesters so you can … Read more

What is an “Accredited” College? Why is Being “Accredited” Important?

Accredited College

In the United States, there are many colleges and universities, but how many are accredited? Even though a college may exist, it does not mean that it will be able to provide the best educational program or teaching system. In some cases, a college can be created and approved to teach, but it cannot be … Read more