ISCI 2001 Mid-Term Review Topic Characteristics of Living Things Subtopic Introduction and Cells Study Objectives 1 Identify characteristics common to all living things 2 Carbohydrates Know the functions of carbohydrates Energy value compared to lipids Function in cells Identify monosaccharides, disaccharides, polysaccharides; know examples Know examples of polysaccharides (starches, glycogen, etc) and their functions 3 Proteins Know the functions of proteins Know the structure of proteins Know the significance of a peptide bond Know that amino acids form polypeptides that form proteins Know examples of proteins such as enzymes, hormones, hemoglobin, etc. Know the functions of proteins in cells 4 Lipids Know the functions of lipids Know examples of lipids (triglycerides, steroids, phospholipids, etc) Know the functions of lipids in cells Know the structure of lipids 5 Nucleic Acids Know the structure of nucleic acids Know examples of nucleic acids Know the significance of DNA and RNA Know their functions in cells Know the structure of DNA and RNA Know the location of DNA in cells 6 Know the three basic parts of the cell 7. Compare Eukaryotic and Prokaryotic cells. Give examples of each 8. Compare plant and animal cells Applications/Skills/Activities 1 Know how to calculate total magnification of a specimen under a microscope 2 Compare the independent and dependent variables in a scientific experiment 3 Define hypothesis 4 Know the outcomes and concepts of the activity Transport I – osmosis 5 Draw a simple cell with the three basic parts 6 Know the basic rules of drawing and labeling a graph 7 Be prepared given data, to make a line or bar graph ISCI 2001 Mid-Term Review 9 Know the functions of the following organelles of a cell Mitochondria, Ribosomes, Endoplasmic Reticulum, Golgi Apparatus, Lysosomes, Nucleus, Plasma Membrane, smooth endoplasmic reticulum, cytoskeleton 10 On page 326 compare the sizes of different cells, organelles, viruses, etc 11 Know the function of choloroplast in cells 12 Know the function of a plasma membrane 13 Know the structure of a plasma membrane Hydrophobic and Hydrophillic parts; transport proteins; carbohydrates 14 Know that a phospholipid structure makes up the major part of a membrane 15 Compare and contrast osmosis and diffusion 16 Compare facilitated diffusion to regular diffusion 17 Compare active and passive transport systems concerning energy usage 18 Give examples of molecules or substances that can pass into and out of the plasma membrane via simple diffusion or passive transport 19 Compare endo and exocytosis 20 Explain how cells communicate via gap junctions Characteristics of Living Things Genetics 1 Compare mitosis to meiosis 2 Know the parts and events that take place in the cell cycle. Describe them 3 Know the longest phase of the cell cycle 4 Know the significance of the ‘S’ phase of interphase 5 Know the significance of cytokinesis 6 Know the 4 phases of mitosis and know what takes place in each phase 7 Know what takes place in meiosis I and II 8 Know that meiosis produces sexual gametes (sperm and egg) 9 Know how many chromosomes are found in human somatic or body cells 10 Know the resulting chromosome numbers in the daughter cells of mitosis 11 Know the resulting number of chromosomes at the end of meiosis in 1 Be able to draw or identify stages of mitosis 2 Be able to identify stages of meiosis 3 Know how to replicate a strand of DNA ISCI 2001 Mid-Term Review sexual gametes 12 Define haploid and diploid 13 Relate chromatin to chromosomes 14 Know the basic structure of a chromosome 15 Know the significance of crossing over and when it occurs 16 Know the scientist who first explained the structure of DNA 17 Know the structure of DNA and the base pairing rules 18 Know the significance of hydrogen bonding in DNA 19 Know the role of the following enzymes during DNA replication Helicase and DNA Polymerase 20 Know the function of transcription 21 Know the location of transcription in a cell 22 Know the role of mRNA during transcription 23 Know the base pairing rules in RNA 24 Know the significance and process of translation 25 Transcribe a strand of DNA into mRNA 26 Define codon and state the significance of codons in mRNA 27 Know the role of tRNA in protein synthesis 28 Describe why Gregor Mendel is called the father of genetics 29 Know that alleles are alternate forms of genes 30 Define gene and relate it to DNA 31 Distinguish between recessive and dominant alleles 32 Define the principle of segregation 33 Define the following terms Homozygous, heterozygous, genotype and phenotype 34 Define incomplete dominance 35 Define codominance 36 Define polygenic traits and provide examples 37 Define pleiotrophy and provide examples 38 Define sex-linked traits and give examples 39 Identify causes (environmental and hereditary) of genetic disorders 40 Distinguish between a genetic mutation and a nondisjunction of chromosomes (give examples of each) 41 Distinguish between a point mutation, nonsense mutation and a frame shift mutation. Be able to identify each if given a strand of DNA such as we see on 365 4 Using a genetic code, translate mRNA into Amino Acids 5 Be able to perform the following monohybrid crosses. Be able to give the phenotype and/or genotype ratios or % of each cross Complete dominance; incomplete dominance; codominance (ABO blood types); sex-linked ISCI 2001 Mid-Term Review 42 Give several examples of chromosomal (nondisjunction) disorders Natural Selection and Evolution Ecology and Ecosystems 1 Know the impact or influence that the following scientist/people had on Charles Darwin in forming his ideas concerning natural selection Lamarck; Malthus; Lyell 2 Define Natural Selection 3 Know the following events that take place during the process of natural selection. Describe the significance and process of each Variation; heritability; natural selection; adaptation 4 Define fitness and explain how it applies to natural selection 5 Be able to describe adapatations in animals (coloration; thermoregulation; length of limbs; insulation, etc) Darwin and 6 Compare the modes of natural selection (directional, stabilizing, Natural Selection diversifying) and give examples 7 Describe the following parts of the modern synthesis of natural selection and evolution (changes in the allele frequency; genetic drift mutation pressure; migration – immigration and emigration) 8 Know the events and the classic study of the Peppered Moths in England during the 1800’s. Relate to natural selection 9 Distinguish between prezygotic and postzygotic reproductive barriers. Give examples of each 10 Distinguish between sympatric and adaptive radiation 11 Describe and give examples of the following evidences of evolution (Fossil record; Biogeography; Molecular and Biochemical) 12 Define punctuated equilibrium 1 Define Cladisitics 2 List the taxons of classification (domains to genus and species) 3 Know Linnaeus contributions to classifications of living things 4 Define binominal nomenclature concerning classification 5 Define clade 6 Know the three domains of life Diversity 7 In your book know the basic characteristics of the following organisms and be able to identify examples from each group: Bacteria Protists Plants 1 Be able to describe/know the main outcomes of the Natural Selection Activity with the moths 1 Know how to interpret a cladogram. Know the parts of a cladogram ISCI 2001 Mid-Term Review Diversity and Ecology Ecosystems and the Environment Animals Fungi 8 On page 410 know the following about a moss life cycle: Gametophytes vs sporophytes Define alternation of generations 9 On page 411 know the following about a fern life cycle: Ferns are seedless plants Know the parts of the cycle Significance of spores 10 On page 412 know the following about the life cycle of a seed plant Know the parts of the cycle Know the function of pollen and flowers Examples of conifers and flowering plants 11 Know the diagram of a seed plant on page 413 Know the functions of the carpel, stamen, ovary, anther and stigma Know how a flowering plant reproduces Know the function of a fruit on a flowering plant 12 Distinguish between sponges and cnidarians and give examples 13 Give examples of arthropods and know the basic characteristics of them 14 Know the basic characteristics of mollusks, annelids, echinoderms. Be able to identify examples of each 15 What examples of organisms are found in the chordate group? Give examples 16 How are amphibians and reptiles different? 17 Distinguish between ectotherms and endotherms. Give examples. 18 Describe the basic characteristics of viruses 19 What are prions *For most of these objectives be sure to complete and review all information on the chapter 18 practice sheets. 1 What is biomass. What is primary productivity? Give examples on how they provide a source of energy for organisms 2 Describe what occurs when energy enters a ecosystem. 3 Know that only 10% of the energy at one trophic level becomes 1 Know the outcomes of the Abiotic and Biotic Activity ISCI 2001 Mid-Term Review available to the next level 4 Distinguish between the following trophic levels: producers, primarysecondary-tertiary consumers. Give examples of each 5 Be able to interpret an energy pyramid such as the one on page 21.11 6 Know the basic characteristics of each type of ecosystem: Terrestrial Biomes (tropical forrest; temperate forrest; coniferous forrest; tundra; savannas; temperate grasslands; chaparral; deserts 7 Define ecosystem 8 Know the basic characteristics of the following aquatic biomes: freshwater habitats such as estuaries; lakes; ponds; Saltwater habitats such as oceans 9 Distinguish between primary succession and secondary succession in ecosystems. Give examples 10 What is a climax community? Give examples. 11 What is the difference between exponential and logistical growth? Give examples 12 What is carrying capacity? Give Examples 13 Be able to interpret an age structure diagram like the one on page 498 14 Be able to interpret graphs of population growth like the ones on page 495