Name______________________________________Date___________Hour____ Biology Semester 2 Exam Review Chapter 11 Know the following: Genetics Fertilization Allele Segregation Homozygous Heterozygous True-breeding Gamete Phenotype Incomplete dominance Diploid Multiple alleles Polygenic traits Tetrad Dominant Codominance Haploid Trait Probability Genotype Hybrid Punnett square Independent assortment Homologous 1. Who is known as the father of genetics? Gregor Mendel 2. Why did Gregor Mendel study pea plants? Easy to cross breed, many different characteristics to observe 3. A father is homozygous dominant for brown hair and a mother is heterozygous dominant for brown hair. Using the letter b for the alleles, complete the Punnett Square to determine the traits of the offspring. B B BB BB ____50____% homozygous dominant ____0_____ % homozygous recessive Bb Bb 1 b ____50____% heterozygous dominant Page B Name______________________________________Date___________Hour____ Chapter 12 – DNA Know the following: Transformation Chromatin mRNA RNA polymerase Start Codon Framshift Mutation and RNA Bacteriophage Histone rRNA Codon Stop Codon Nucleotide Replication tRNA Translation Mutations Base pairing DNA polymerase Transcription Anticodon Point Mutation 1. What technique did Rosalind Franklin use to get information about the structure of DNA? X-Ray diffraction 2. Describe Watson and Cricks model of DNA. Double helix – nucleotides held together with hydrogen bonds 3. What are the three basic parts of a nucleotide? Sugar, phosphate, nitrogen base 4. What are the two parts that make up the backbone of DNA? Sugar and phosphate 5. What are Chargaff’s rules with regards to base pairing? A pairs with T G pairs with C 6. Where is the DNA of eukaryotes located? nucleus 7. List the steps of replication. DNA unzips, primers at nucleotides starting at the 3’ end, DNA polymerase adds the remaining nucleotides and proofreads until the DNA is replicated Page mRNA – carries DNA code to ribosomes, rRNA-combines with proteins to form ribososmes, tRNA- Matches m-RNA codon to add correct amino acids during protein synthesis 2 8. Name and describe the functions of the three types of RNA. Name______________________________________Date___________Hour____ 9. Explain the process of going from DNA to RNA to protein. TRANSCRIPTION(DNA→RNA) takes place in nucleus; mRNA makes copy of DNA to carry the message to the ribosome TRANSLATION(RNA→proteins)takes place on the ribosome; tRNA has an anticodon and carries the amino acid Process continues until the ribosome reaches the stop codon 10. What would be the complimentary strand of DNA for the following sequence? ATTCGCA TAAGCGT 11. Complete the following sequence given the following DNA code. DNA: ATG CTC ACT TTA mRNA: UAC GAG UGA AAU tRNA: AUG CUC ACU UUA 12. Compare and Contrast DNA mRNA tRNA DOUBLE SINGLE SINGLE DEOXYRIBOSE RIBOSE RIBOSE ATGC AUGC AUGC U T T NUCLEUS STARTS IN NUCLEUS GOES TO RIBOSOME CYTOPLASM Is it double or single stranded? What type of sugar is used? List all nitrogen bases it has. Page Where is it located in the cell? 3 Which nitrogen base is missing? Name______________________________________Date___________Hour____ 13. Identify the parts. A=SUGAR B = PHOSPHATE C= HYDROGEN BOND D= BASE PAIR E= NITROGEN BASE Chapter 13 – Genetic Engineering Know the following: Selective Hybridization Inbreeding Breeding Gel Recombinant Polymerase electrophoresis DNA Chain Reaction Genetic Engineering Transgenic Restriction Enzyme Clone Page 1. Which are the parents of the child? C 2. Which parents might give a false positive if only the longer fragments were analyzed? B 3. What process is this a part of? Gel electrophoresis 4 Use Figure 13-8 to answer questions 1 and 2. Name______________________________________Date___________Hour____ Chapter 14 – The Human Genome Know the following: Karyotype Sex Autosome chromosome Nondisjunction DNA fingerprinting Pedigree Sex-linked gene 1. Looking at the following karyotype, answer the following questions. a. Is the individual a male or female? Why? Female 2 Xs b. Is the individual normal or have a disorder? How can you tell? If the individual has a disorder, what is the name of the disorder? Disorder, extra chromosome on 21, Down Syndrome 2. What is the purpose of a pedigree? Know the parts. Show how traits or disorders are passed on from generation to generation Page 5 3. How many chromosomes does a normal human have? 46 4. Most human genetic disorders are caused by the expression of what type of allele: dominant or recessive? recessive Name______________________________________Date___________Hour____ Chapter 15,16,17 – Evolution Know the following: Evolution Fossil Adaptation Gene pool Natural variation Survival of the Natural fittest selection Relative Theory frequency Artificial selection Homologous structure Fitness Vestigial structure 1. Who contributed the most to the theory of evolution? Charles Darwin 2. What did Charles Darwin observe about the organisms on the Galapagos Islands? Adapted to the environment and were different on each island 3. Describe Lamarck’s theory of evolution. Inheritance of acquired traits 4. List the seven evidences for evolution. Artificial selection, fossil record, geographic distribution, homologous structures, embryology, DNA, see natural selection occur Page 6 5. In humans, the pelvis and femur, or thighbone are involved in walking. In whales, the pelvis and femur shown in Figure 15-2 are what type of structures? Vestigial Name______________________________________Date___________Hour____ Chapter 18 – Classification Know the following: Taxonomy Binomial nomenclature Family Class Genus Species Taxon Order Phylum Kingdom 1. What is the order of taxonomic categories from the largest to the smallest? Kingdom, phylum, class, order, family, genus, species 2. Who developed the two part naming system? Carolus Linneaus 3. Using the following scientific name, Bacillus anthracis, answer the following questions. a. What is the genus? Bacillus b. What is the species? anthracis Use Table 18-2 to answer questions 3-4. Organism House cat Red fox Dog Wolf Gopher Fly Kingdom Animalia Animalia Animalia Animalia Animalia Animalia Phylum Chordata Chordata Chordata Chordata Chordata Arthropoda Class Mammalia Mammalia Mammalia Mammalia Mammalia Insecta Order Carnivora Carnivora Carnivora Carnivora Rodentia Diptera Family Felidae Canidae Canidae Canidae Geomyidae Muscidae Genus Felis Vulpes Canis Canis Thomomys Musca Species F. domesticus V. fulva C. familiaris C. lupus T. bottae M. domestica 4. Which three organisms belong to the same family? Red fox, dog, wolf Page 6. Know how to interpret a dichotomous key. 7. List the three domains. Bacteria, archae, eukarya 7 5. At what level does the relationship between the red fox and dog diverge? genus Name______________________________________Date___________Hour____ Chapter 19 & 20 – Bacteria, Viruses, and Protists Know the following: Prokaryote Bacillus Photoautotroph Chemoautotroph Nitrogen Pathogen fixation Capsid Bacteriophage Antiseptic Coccus Binary fission Antibiotic Sprillum Conjugation Sterilization Flagellum Endospore Virus Lytic infection Lysogenic infection Decomposer Disinfectant 1. What characteristics are used to classify bacteria? Shape, movement, way they obtain energy, cell wall 2. Fill in the following table: Type of bacterium Shape and drawing of bacteria Coccus round Bacillus rod Spirillum spiral 3. Label the parts of the bacteria. A = cell wall B= cell membrane C= DNA D = flagellum Page 8 4. What characteristics are used to describe viruses? Give examples of viral diseases or conditions. Non-living, contain a capsid and nucleic acid, need a living host to reproduce Name______________________________________Date___________Hour____ 5. Label the parts of the bacteriophage. A= Capsid B = Sheath C = DNA D = Tail Fibers 6. How are bacteria and viruses different? (size, way they infect, etc.) Be specific. Bacteria are larger than viruses, Bacteria replicate by binary fission, Viruses need a host to reproduce 7. Explain the difference between a vaccine and an antibiotic. Vaccine stimulates an immune system response to pathogens. Antibiotic kill bacteria using chemicals that destroy the bacteria 8. Complete the following table of example organisms in the Kingdom Protista. Amoeba Euglena Paramecium Shape Irregular shape Oval oval Method of movement Food getting pseudopod Flagella Pseudopod to engulf Eyespot to own food cilia make gullet Page 9 9. Know the structures and functions of the following organisms. Refer to the protist packet you did in class. a. amoeba b. euglena c. paramecium Name______________________________________Date___________Hour____ Chapter 26-33 Invertebrates vs. Vertebrates Know the following: Asymmetry Radial Bilateral symmetry symmetry Dorsal Ventral Anterior endoskeleton Invertebrate Vertebrate Posterior exoskeleton 1. Complete the following chart about arrangement of body plans in the Animal Kingdom. Type of Symmetry Asymmetry Radial Bilateral Description • occurs when the body can’t be divided into similar sections Radial symmetry occurs when body parts are arranged around a central point like spokes on a wheel Example of organism Sponge Echinoderms Star fish Sand dollar occurs when animals can be Grasshopper divided into equal halves along a pig single plane Page 10 2. Label the following organism using the following terms: anterior, posterior, dorsal, ventral. Name______________________________________Date___________Hour____ 3. Classes of Mollusks Phylum Mollusca Class Gastropoda Class Bivalve Class Cephalapoda Type of foot Muscular foot Head-footed Shell is divided into 8 parts Example organisms snails Clams, Oysters squid 4. Classes of Arthropods Use the sheet given to you for the invertebrate activity Phylum Arthropoda Number of Leg pairs Example organisms Class Chilopoda 1 pair of legs per Centipedes segement Class Diplopoda 2 pairs of legs per millipedes segment Class Arachnida 4 pairs spiders 5 pairs of legs Grasshopper, Beetle, Moth Crayfish, lobster, shrimp 5. Complete the following table pertaining to Invertebrate Phyla. Phylum Type of Major Characteristics Symmetry Porifera asymmetrical • No organs or body systems • Hollow body • Cellular digestion Cniderian radial Tentacles · Cnidocytes (stinging cells) · Nematocysts (barbs) · Gastrovascular cavity (digestion) Example of organisms sponges Jellyfish Hydra 11 Class Crustacea 3 pairs of jointed legs Page Class Insecta Name______________________________________Date___________Hour____ Annelida bilateral Nematoda bilateral Mollusca bilateral Arthropoda bilateral head and a tail, and flattened bodies. • segmented Round bodies Live in moist places • Parasitic or free living hard shell, a rough tongue, and a muscular foot. • • • • • • Echinodermata radial • • • • planaria Segmented worms earthworm Roundworms tapeworms Snail, Clam Squid octopus Grasshopper, Insects, Spider Centipede millipede Joint-legged animals External skeleton Molts Huge variation – mostly insects Have tiny tube Starfish feet Sea urchin Body parts Sand dollar arranged around a central area. A starfish has five arms and no head The hard, spiny covering of the starfish gives the animal protection. 12 bilateral Page Platyhelminthes Name______________________________________Date___________Hour____ 6. What are echinoderms most closely related to? Circle one. vertebrates annelids arthropods arachnids 7. What are the two distinguishing characteristics of mammals? Hair and mammary glands 8. Complete the following table on Mammalian Body Systems. See page 892-893 We went over this in class Name of System Function Structures in system C R I M E N E R D Page 13 S