Biology 115 exam 3 - Study guides, Revision notes & Summaries

Biology 115 Exam 3 (WVU) Questions and Answers Already Passed In which cell types do you find mitochondria? prokaryotes only eukaryotes only animals only plants only all cells eukaryotes only Which of the following statements about chromosomes is TRUE? Each chromosome contains one molecule of DNA. A chromosome contains DNA and proteins that help package the DNA. A chromosome only contains DNA Eukaryotic chromosomes are circular. A chromosome contains DNA and prote...

Biology 115 Exam 3 WVU Latest Update Graded A+ Meiosis DNA replication prior to cell division Sister Chromatids are two copies of the same DNA(have the exact same sequence) Helicase Breaks H-bonds to open the replication bubble Topoisomerase Breaks a single covalent bond ahead of the replication bubble Single-stranded DNA binding proteins Prevents the re-annealing of a single stranded DNA DNA Polymerase III recognized double stranded DNA/RNA hybrid and synthesized DNA from ...

BIO 115 Final Exam Study Guide with Complete Solutions 12 Principles of Biology Cells are the simplest unit of life Cell theory: (1) all organisms are composed of cells (2) Cells are smallest unit of life (3) new cells come from pre-existing cells Living organisms use energy (E) process called respiration metabolism: breakdown of cellular molecules Living organisms interact with their environment example: plants grow towards light source Living organisms maintain homeostasis maint...

Biology 1000 – Principles of Biology ( BioS 115 Core II: Genetics) Exam Study Guide 2024/2025. Review discussion about Breast Cancer Breast Cancer (BRCA1 and BRCA2) c. Provides instructions for making a protein that acts as a tumor suppressor d. Prevents cells from growing and dividing e. Accounts for 30-40% of families with breast cancer cases Penetrance and BRCA a. Refers to the risk of developing breast and ovarian cancer b. A reliable estimate of penetrance is crucial for medical co...

Biology 115 Exam 1- Young Rated A+ polar covalent bond A covalent bond in which electrons are not shared equally non polar covalent bond equal sharing of electrons Un-paired Valence Electrons unpaired electrons on the outer orbital shell valence electrons Electrons on the outermost energy level of an atom unregulated enzyme binding competitive inhibition substance that resembles the normal substrate competes with the substrate for the active site non-competitive inhibitor c...

iology 1000 – Principles of Biology ( BioS 115 Core II: Genetics) Exam Study Guide. 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 Expressi...

Biology 1000 – Principles of Biology ( BioS 115 Core II: Genetics) Exam Study Guide Questions With Answers. 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 # wit...

Collaborative Testing Improves Performance but Not Content Retention in a Large-Enrollment Introductory Biology Class Hayley Leight, Cheston Saunders, Robin Calkins, and Michelle Withers Department of Biology, West Virginia University, Morgantown, WV 26506 Submitted April 16, 2012; Revised August 8, 2012; Accepted August 10, 2012 Monitoring Editor: Diane Ebert-May Collaborative testing has been shown to improve performance but not always content retention. In this study, we inves...

Biology 115 - Exam 3