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 ...
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...
The chromosomes, and therefore the genes, are made up of the chemical substance called DNA (DeoxyriboNucleic Acid). The chromosomes are very long thin strands of DNA, coiled up tightly. At one point along their length, each chromosome has a constriction, called the centromere. The centromere di...
A. proteins B. vitamins C. genes D. fats What is the role of enzymes in our body? Define Enzyme. What are the functions of restriction enzymes? What is the substance an enzyme affects? How do enzymes affect activation energy? What are examples of an enzyme that requires a cofactor and ...
What are the 3 enzymes involved in the entire process of digestion? What is an enzyme and how does it work? What are some biological enzyme examples? What are the main functions of pancreas apart from producing enzymes? What is the substance an enzyme affects? How do enzymes affect activatio...
A growing body of scientific research characterizes both substance and behavioral addiction as disorders involving the reward system of the brain. The reward system is a group of neural structures which help us learn from our environment by reinforcing behavioral responses to certain stimuli. These str...
Inthenextmajordevelopment,theAmericangeneticistThomasHuntMorganandhisstudentswerestudyingthesegregationofmutationsinDrosophilamelanogaster.Theywereabletoexplaintheirdatawithamodelthatgenesarearrangedlinearly,andtheirabilitytocross-overisproportionaltothedistancethatseparatedthem.Thefirstgeneticmapwascreatedin1913(Sturtevant...
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...
The medication gets injected into the vitreous: a gel-like substance inside the eye. Before the injection, the doctor will give you an anaesthetic drug to ease pain and antibiotic drop to prevent infection. Side effects include blurry vision for a short time after the injection. Injections...
A drug is a chemical substance that produces a pharmacological effect when taken in by the biological system. There are seven different types of... Learn more about this topic: Drug Tolerance & Drug Overdose from Chapter 10/ Lesson 9