Bioscience Final Exam Study || with Complete Solutions.

What is the human genome? correct answers a composite genome derived from multiple donors How many nucleotides are in the human genome? correct answers 3 billion What percentage of gene encoding areas are covered by the Human Genome? correct answers 1-2% What does a complete genome contain? correct answers all the genetic material of an organism What is the central dogma in molecular biology? correct answers DNA is transcribed into RNA and is translated into protein What is the estimated number of genes in the human genome? correct answers 25,000 What are the building blocks of RNA and DNA called? correct answers nucleotides How many mutations are necessary for a cell to develop cancer? correct answers 5-6 What does the development of cancer require? correct answers excess proliferation of cells, migration of cells away from their original location What is an example of an oncogene? correct answers RAS What is true of tumor suppressors? correct answers stop signals, both copies of a tumor suppressor must be bad to contribute to cancer What are the stages of the cell cycle? correct answers cell division, DNA replication, and 2 gaps for growth Do all drugs affect the central nervous system? correct answers no What does it mean for a drug to be an agonist? correct answers induces physiological response similar to that produced by the natural neurotransmitter or hormone What does cocaine do in the body? correct answers stimulates the central nervous system, blocks reuptake of dopamine at the receptor site, induces hallucinations What is neurogenesis? correct answers the process where neurons are produced from precursor or stem cells What is one tissue engineering strategy to regenerate or recover cell populations that are lost to brain injury or disease? correct answers stem cell technologies