Biology 115 Study guides, Class notes & Summaries

Biology 115 WVU Exam 2 Questions and Answers Already Passed Select all that are components of cell theory -Each cell can regulate its internal conditions (homeostasis) -All living things are made from one or more cells -Homeostasis at the level of the tissue, organ, organ system and organism reflects the combined and coordinated actions of many cells -The cell is the basic unit of life -Cells are produced directly from the growth and division of other cells In order to carry out t...

Explain the concepts of penetrance and expressivity Penetrance is the percentage of cases in which a certain phenotype is expressed. There are two types: i. Complete Penetrance: when 100% is correlated to the genotype. So, all express the same thing. ii. Incomplete: this is when some are identical, and others are different. Penetrance= # with genotype showing phenotype x 100 # with the genotype Expressivity is the type or degree to which a penetrant gene ( the genes carrying the mutatio...

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Long Term Potential (LTP) can last for days or weeks in dissected tissue; it is thought to represent one of the fundamental processes by which memories are stored and learning takes place. To achieve LTP, which learning strategies should you, as a student, employ? I. Taking active notes in lecture. II. All-night cram sessions the night before an exam. III. Pre-skimming the readings from the textbook. IV. Carefully reading the entire textbook and taking detailed notes. V. Reviewing the mat...

Identify chromosome number. In the following image, cell A has _______ chromosomes and cell B has ________ chromosomes a. 6, 6 b. 6, 3 c. 12, 6 d. 3, 6 a. 6, 6 White-tailed deer have 70 chromosomes in each of their kidney cells. During the cell cycle of a deer kidney cell, there are _______ chromosomes in the cell during interphase and ______ chromosomes in the cell during the mitotic phase. a. 35; 70 b. 70; 35 c. 35; 35 d. 70; 70

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