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Tag Archives for "Biology"

What is the Difference Between Meiosis I and Meiosis II?

Meiosis is how eukaryotic cells (plants, animals, and fungi) reproduce sexually. It is a process of chromosomal reduction, which means that a diploid cell (this means a cell with two complete and i

Diploid vs. Haploid: Similarities and Differences

The traits expressed by all living organisms are controlled by genes. These genes are inherited from the organism’s parent/s, and control everything from species to morphology. Genes are located

Differences between Autopolyploidy and Allopolyploidy

Heredity is the passing on of characters from parents onto their progeny. In some organisms, like humans, a parent passes on one copy per gene to their offspring and as a result, the progeny gets t

What is the Difference Between Purines and Pyrimidines?

Purines and pyrimidines are the two families of nitrogenous bases that make up nucleic acids – in other words, they are the building blocks of DNA and RNA. While they are similar in many respects

What is DNA? Everything You Need To Know

Simply put, DNA (Deoxyribonucleic Acid) is a string of nitrogenous bases (Adenine, Thymine, Guanine, and Cytosine) repeated over and over, and arranged in a seemingly random fashion. Here the genet

When Does Cytokinesis Occur in Mitosis?

Mitosis is the process whereby a cell reproduces asexually to produce two identical daughter cells. This occurs via nuclear division. Before mitosis, the number of chromosomes in the cell is double

What Occurs in the S-Phase?

The cell cycle encompasses the whole life of a cell from birth through to its death. It is the time from the formation of a cell from its parent cell until its division into its daughter cells. An

What Happens in Cancer?

What is cancer? Cells are normally very selfless entities. When a cell feels it’s damaged beyond repair, it usually marks itself for programmed cell death. However, if the mechanisms that tell it

What is the Site of Photosynthesis?

Plants, also known as autotrophs, are an important element of food webs. Photosynthesis allows autotrophs to produce their food, which is then used to sustain other organisms in the food webs.

What Happens in the G1 and G2 Phases of The Cell Cycle?

In this post, we will discuss what happens in the G1 and G2 Phases of the Cell Cycle. Cell division entails making more cells through duplication of the one cell’s contents and then splitting thi

What is the Difference Between Phosphorylation and Dephosphorylation?

We all know (or should know) how important DNA is to our survival and all life as we know it. However, not many people appreciate how important the rest of the story of what happens to this preciou

Translation vs. Transcription: Similarities and Differences

Transcription generally refers to the written form of something. In biology, transcription is the process whereby DNA is usedas a template to form a complementary RNA strand – RNA is the “writt