DBriers.com All Things Biology

Both Tobacco and Marijuana are almost if not are used on the same level of consumption. For known reasons with legality issues of marijuana, not all statistics have been reported. This article is here to show the differences between these 2 substances, and hopefully, provide information on which is safer for use and consumption. References for Tobacco: http://apocalypsecometh.com, http://www.nytimes.com, http://www.businessinsider.com, http://www.cdc.gov References [...] Read More »

Cellular Respiration is simply respiration(using oxygen) at a cellular level. When you learn the 3 steps of cellular respiration you will be able to connect why animals must breath oxygen and eat food to live. Sugar from food and oxygen are used in cellular respiration to create energy for the billions of cells in your body to live. Although there are other [...] Read More »

Understanding the Basics of Blood Types Simply put, a blood type can be defined as a red blood cell that contains a specific surface antigen (surface marker).     Differences in human blood are due to the presence or absence of certain protein molecules called antigens and antibodies. The antigens are located on the surface of the red blood cells and the antibodies are in [...] Read More »

 Understanding the Basics Of Codominance   Human red blood cells have structures on their plasma membrane known as surface antigens, which are constructed from several sugar molecules that are connected to form a carbohydrate tree. Antigens are substances that are recognized as foreign by antibodies produced by the immune system. Three types of surface antigens, known as A, B, and O, are found [...] Read More »

This article is about word problems that occur in quantitative sciences like chemistry and physics. Word problems in chemistry and physics are a crucial point for students. Mastering them will allow students to progress in chemistry and physics from high school onwards, even when confronting tricky word problems. There are several “ key phrases” that are useful in order to start [...] Read More »

Understanding the Basics of the DNA Structure DNA is a very large macromolecule composed of smaller building blocks. We can consider the structural features of DNA at different levels of complexity. Nucleotides are the building blocks of DNA (and RNA) A strand of DNA (or RNA) is formed by the covalent linkage of nucleotides in a linear manner. Two strands of DNA can hydrogen-bond [...] Read More »

Understanding the Basics of a Punnett Square A common way to predict the outcome of simple genetic crosses is to make a Punnett Square, a method originally proposed by the British geneticist Reginald Punnett. To construct a Punnett square, you must know the genotypes of the parents. What follows is a step-by-step description of the Punnett square approach using a cross of [...] Read More »

Dense connective tissue has the same makeup as loose connective tissue except there is less space occupied  by cells, and more densely packed with fibers. What’s Inside Connective Tissue Connective tissues contains a matrix and 3 types of fibers fibers. Matrix: Also known as the ground substance.  Matrix is produced by the cells of the tissue and can be fluid, gel-like, or solid Collagenous fibers: [...] Read More »