Biology 102 Exam Study Guide
Biology 102 Exam Study Guide BIO102
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This 4 page Study Guide was uploaded by Danielle Kelly on Thursday March 5, 2015. The Study Guide belongs to BIO102 at Washington State University taught by Dr. Strofer in Spring2015. Since its upload, it has received 288 views. For similar materials see Biology 102 in Biology at Washington State University.
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Date Created: 03/05/15
Biology 102 Exam 2 Study Guide 1 What is the de nition of species according to the biological species concept a Organisms that use the same niche in an environment b Individuals occupying a single lineage in an evolutionary tree c Member from populations that share a similar appearance d Organisms that can interbreed in nature to produce healthy offspring 2 Which of the following is a postzygotic barrier a One bird species prefers open areas whereas another bird species prefers wooded areas b A horse and donkey mate to produce a sterile mule c One y species mates in the morning whereas another y species mates in the afternoon 3 What is reproductive isolation a Two species diverging from a common ancestor due to geographical isolation b The divergence of two species from a common ancestor while in the same geographical location c Prevention of gene ow between two populations due to physical or behavioral barriers d Evolution of analogous structures not present in the last common ancestor of two species 4 Which centrally located organelle produces lipids detoxi es drugs in the liver and is composed of a membrane network a Rough endoplasmic reticulum b Smooth endoplasmic reticulum c Golgi apparatus d Nucleus 5 Which of the following describes diffusion a The movement of a substance against its concentration gradient across a cell membrane from a region where it is less concentrated to a region where it is more concentrated b The movement of a substance down its concentration gradient from a region where it I less concentrated to an area where it is more concentrated c The movement of a substance down a concentration gradient from an area of high concentration to an area of low concentration d The movement of a substance across the cell membrane against its concentration with the help of transport proteins and ATP 6 Plasma membranes are selectively permeable semipermeable meaning that a The membrane permits the transport of only certain substances b The membrane allows only water but not solutes to enter and leave the cell c The membrane allows substances to pass through freely d The membrane allows substances to exit the cell but not to enter 7 Which of the following viral host animals to transmit viruses to humans a Mosquito Hog Monkey Chicken Cat All of the above 8 Which of the following describes an emerging virus a A slowlyevolving virus that can infect both animals and humans b A virus that infects monkey species but not humans c A new or mutated virus which causes an increased incidence of human disease d A rapidlyevolving virus with a singlestranded RNA genome 9 What is a pathogen a A substance that produces an exaggerated or inappropriate in ammatory response by the immune system b Any molecule that triggers the immune system39s lymphocytes to mount a speci c response to that molecule c A microorganism or virus that infects a host organism that is capable of causing a disease in the host organism d A protein produced by the immune system39s B cells that is tailored to bind to a speci c foreign substance 10Which statement describes recessive alleles a Two alleles that are expressed separately and equally b Any allele that can hide the presence of a different allele c Any allele whose presence can be masked by another allele d Two alleles that blend to create intermediate phenotype 11Which statement describes a genotype a A section of DNA in which the code for a protein is located b The physical trait produced by an organism39s genetic makeup c The pair of DNA sequences an organisms has for a trait d The variation of the code for a protein 12Which of the following is the de nition of a sexlinked trait a A trait usually inherited with another trait on the same chromosome b An allele that is inherited from a particular gender c A trait that is coded by a gene located on a sex chromosome d A trait that is shared by siblings of the same gender 13HIV is a retrovirus How are retroviruses unique from other types of viruses a They use reverse transcriptase to make DNA from RNA b They use the host cell RNA polymerase for transcription c They contain single stranded RNA inside the capsid d They are easily transmitted across different species 14What is the term for the cellular ingestion of large particles or cells a Pinocytosis b Transcytosis c Exocytosis d Phagocytosis 15What is an antigen a A protein produced by the immune system39s B cell that is tailored to bind to a speci c foreign substance b A microorganism or virus that infects a host organism and is capable of causing a disease in the host organism rhrDQpO39 c Any molecule that triggers the immune system39s lymphocytes to mount a speci c response to that molecule d A substance that produced an exaggerated or inappropriate in ammatory response by the immune system 16What is an antibody a A substance that produces an exaggerated or inappropriate in ammatory response by the immune system b A microorganism or virus that infects a host organism and is capable of causing a disease in the host organism c A protein produced by the immune system39s B cells that is tailored to bind to a speci c foreign substance d Any molecule that triggers the immune system39s lymphocytes to mount a speci c response to that molecule 17Which of the following is the de nition of a vaccine a A substance made from a pathogen that increases immunity against that pathogen b A chemical substance taken in order to treat the symptoms of a cold c A substance that kills bacteria when applied directly to an infection d The replacement of a defective diseasecausing gene with a functional version of the gene 18Which of the following are present in both a plant and animal cell a Cell wall b Plasma membrane c Cilia d Endoplasmic reticulum e D and B f A and B g All of the above 19Which type of ligands binds to intracellular receptors a Small hydrophobic molecules b Large hydrophilic molecules c Large polar molecules d Small hydrophilic molecules 20During which phase of mitosis do spindle bers shorten pulling sister chromatids apart from one another and toward opposite ends of the cell a Cytokinesis b Anaphase c Telophase d Prophase e Metaphase 21What happens during prophase 1 of meiosis a Sister chromatids are distributed In a single layer across the center of the cell b Homologous chromosomes separate but sister chromatids remain joined at their centromeres c The nuclear membrane begins to from around haploid sets of chromosomes d Homologous chromosomes form and crossing over occurs between them 22What is allopatric speciation a Two species diverging from a common ancestor due to geographical isolation b The divergence of two species from a common ancestor while in the same geographical location c Prevention of gene ow between two populations due to physical or behavior barriers d Evolution of analogous structures not present in the last common ancestor of two species
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