This chapter provides an overview of genes and their working. One of the main factors in evolution is that the genes themselves change by mutation. The actual heredity carrying parts of the chromosome are made from a substance known as DNA, an abbreviation for deoxyribose nucleic acid. In DNA...
Vitamin B refers to several different types of vitamins that, together, are known as the B-complex vitamins. Vitamin B benefits the nerves and cells within the body and also helps with the production of DNA (the chemical substance that genes are made from). There are 8 kinds of vitamins ...
What is the sugar found in the nucleotides which compose genes called? Which substance/molecules is Chromatin made of? What is it bound to? Which of the following options is correct? Chemical reactions in the body in which macromolecules such as proteins or nucleic acids are broken down to co...
What are restriction enzymes? How do these enzymes participate in recombinant DNA technology? What ingredients make up an enzyme? What is the substance an enzyme affects? How do enzymes affect activation energy? Enzymes work by? What are digestive enzymes? What is the function of digestive enzymes...
This input of energy is also enough to overcome the attractive forces that hold the particles together. Water is a good example of a substance that has substantial intermolecular forces holding it together. Water likes to stick to itself though hydrogen bonding. Thus the energy that is input mus...
Multiple sclerosis (MS) is an autoimmune disease in which the body's immune system attacks its own central nervous system (the brain and spinal cord). In MS, the immune system attacks and damages or destroys myelin, a substance that surrounds and insulates the nerves. The myelin destruction ...
people's lifestyle can also impact their mental health. Smoking, a poor diet, alcohol consumption, substance use, and risky sexual behavior may result in psychological harm. Smoking, a poor diet, alcohol consumption, substance use, a...
Your doctor can also test you for allergies by putting a little bit of a substance on or under your skin. If you're allergic, a red bump will pop up. Your doctor may also do abloodtest to check forimmunoglobulinE (IgE), which is something your body makes when you come into contact...
Spectrometers are fairly easy to set up and use. Generally, the spectrometer is turned on and allowed to heat up completely before use. It is loaded with a known substance and calibrated at a wavelength similar to that of the known substance. Once the machine is calibrated, the test sample...
After ovulation, the corpus luteum remaining in the ovary produces progesterone, which causes the endometrium to mature, causing it to thicken. The endometrial glands increase in size and begin to secrete mucus and a substance rich in glycogen. Thus, the ideal environment for implantation is create...