North Carolina State University

Bio 181 Exam 5Free nucleotides are added at the replication fork of DNA using the enzyme - correct answer DNA polymerase Which of the following is the DNA at the end of linear chromosomes? - correct answer telomere In the semiconservative replication of DNA, each of the new double strands of DNA has - correct answer one original strand and one newly assembled strand Nucleotide excision repair is particularly important when thymine dimers are formed from exposure to - correct answer UV l...

Bio 181 Exam ch. 12, 13, 14what is binary fusion? - correct answer The chromosome replicates (beginning at the origin of replication) and two daughter chromosomes actively move apart In what kind of organisms does binary fission occur? - correct answer Prokaryotic cells and unicellular protozoa (only some, not all) What are the roles of mitosis? - correct answer Growth, reprodution, and Damage repair In which cells mitosis occurs? - correct answer root and shoot apices of plants, In euk...

BIO 181 Exam# 1 (Chapters 1, 2, 3, 4 and Labs 1, 2, 3)Describe the six characteristics of all living organisms. - correct answer Cellular Organization: made up of cells Ordered Complexity: very complex Sensitivity: responds to environment Growth, Development, and Reproduction: Energy Utilization: make energy and convert to usable Homeostasis: maintain internal factors at a steady rate Evolutionary Adaption: changes based on environment Define hypothesis. Describe two traits that a good...

BIO 181 FINAL EXAMWhich of the following is considered a feature of life? (choose all that apply) - correct answer Able to maintain homeostasis. Able to maintain order Able to grow and develop Able to reproduce Able to utilize hereditary information Able to perceive and respond to the environment Consisting of one or more cells. Able to evolve According to Hank Green in the video: Life Begins - Crash Course Big History, about when did life emerge on earth? - correct answe...

Bio 181 Lab FinalWhat is a catalyst? - correct answer A substance that increases the rate of a chemical reaction without being used up What is an enzyme? - correct answer A biological molecule that increases the rate of a chemical reaction without being consumed, usually a protein. What is the activation energy? - correct answer The energy required to convert a substrate to a product How do enzymes catalyze reactions? - correct answer By forming a substrate-enzyme complex. The enzyme br...

BIO 181 Lab Midterm Grand Canyon UniversityWhat is a hypothesis? - correct answer - A tentative explanation thetas given and can be tested. - Predictions that can be tested by conducting observations or by performing experiments. What is a null hypothesis? - correct answer - Is a default assumption that an explanation or prediction is false. What is an alternative hypothesis? - correct answer - Is the alternative explanation to the null hypothesis thetas accepted as a best explanation if ...

bio 181 lab practicalbiuret test - correct answer test for proteins positive is purple starts blue IKI test - correct answer tests for starch positive is blue starts yellow negative is yellow Benedict's test - correct answer Test for reducing sugars positive is green +/ orange ++/ red +++ starts as clear negative is blue/purple hypotonic to environment - correct answer water leaves the cell cell is hypersonic to environment - correct answer water enters the cell Isoton...

BIO 181 Module 2 Self-CheckLoss of the cell wall was required for the endomembrane theory - correct answer True; the cell wall causes a buildup of osmotic pressure that can burst Eukaryotic cells Fluorescence microscopy is a form of light microscopy? - correct answer True The end of the retraction fiber touching the cell culture plate still contains the cell equivalent of super-glue? - correct answer True TEM (transmission electron microscopy) provides a thin, two dimensional section of...

Bio 181 Module 3: Self CheckActive transport uses ATP to move components in parallel with their concentration gradient, that is: from a high concentration to a low concentration. T/F - correct answer False It is a simple matter (i.e., thermodynamically favorable) for a vesicle to form from the endoplasmic reticulum. T/F - correct answer Fasle Explain how the vesicles are carried from the Golgi apparatus to the plasma membrane. - correct answer 1. Proteins are synthesized by ribosomes and e...

BIO 181 Module 9: Self CheckTrue - correct answer T/F: FADH2 results as one of the products of the citric acid cycle. True - correct answer T/F: The citric acid cycle (Kreb's cycle) breaks down carbohydrates into CO2. ATP, ATP - correct answer Glycolysis requires the investment of two ________ in order to obtain a gross output of four ___________. cytoplasm - correct answer Specifically where in a cell does Glycolysis occur? mitochondrial matrix - correct answer Where is carbon diox...