AP BIO Review http://www.angelfire.com/ga/sweetgeorgiapeach1/grandmom.html Name the essential element that becomes part of the chlorophyll molecule Mg-Magnesium What role do nitrogen fixing bacteria play in the nitrogen cycle? Convert atmospheric nitrogen into ammonia (NH3) ? Name the 4 groups of plants you learned about Bryophytes (mosses, hornworts, liverworts) Seedless Vascular plants (ferns) Gynmosperms (naked seed) Angiosperms (flowering plants) The idea that no two species can share the same Exclusion Principle niche is called theCompetitive ________________________ Nephridia, flame cells, and Malphighian tubules function in which body system? excretory Name the plant hormone that results in the Triple Response when growing plants encounter an obstacle ethylene The involuntary muscles that cause wave like contractions to push food through the digestive smooth system are _________ muscles. cardiac striated smooth American Bald eagles became endangered when the pesticide DDT concentrated in their bodies causing them to lay eggs with low calcium levels. This concentration of a toxin in greater amounts at upper levels as it moves through a food chain Biological magnification is called ___________________ XYLEM In vascular plants, the ___________ conveys water and dissolved minerals upward from roots to shoots. phloem xylem Write the 2 equations need to solve Hardy-Weinberg equilibrium problems p2 + 2pq +q2 = 1 p+q=1 If 9% of an African population is born with a severe form of sickle-cell anemia (ss), what percentage of the population will be more resistant to malaria because they are heterozygous? 9% =.09 = ss = q2 q = Square root of .09 = .3 p = 1 - .3 = .7 2pq = 2 (.7 x .3) = .42 42% of the population are heterozyotes (carriers) Companion cells help load sugars ___________ into sieve-tube members. Name the animal phylum that includes the ONLY INVERTEBRATE DEUTEROTOMES. Echinodermata (Echnioderms) Which of the following bonding combinations is always found in a DNA molecule? Pyrimidine-pyrimidine Purine-pyrimidine → Purine-purine translation Protein synthesis is also called ___________ Epistasis is when a gene at one locus _________ alters the phenotypic expression of a gene at another locus. Name a genetic disorder you learned about caused by nondisjunction Turner syndrome Down syndrome Klinefelter syndrome Triple X syndrome Name the conditions that must be met for a population to be in Hardy-Weinberg equilibrium. No mutation No natural selection No movement in or out Random mating Large population Name the macromolecule formed by dehydration synthesis of amino acid monomers protein Tell the number of chromosomes in a human egg cell. 23 2 chambered heart and a Fish have a ___ 1 loop circulatory system. ___ (Add a number to each blank) Which type of muscle tissue is multinucleated? → Striated smooth cardiac Describe several characteristics of mitochondia and chloroplasts that support the Endosymbiotic theory • Contain DNA that is different from that of the cell nucleus and that is similar to that of bacteria (in being circular and in its size). • Surrounded by two or more membranes, and the innermost membrane shows composition like that of a prokaryotic cell membrane. • Form only through a process similar to binary fission. • Much of the internal structure and biochemistry of plastids, for instance the presence of thylakoids and particular chlorophylls, is very similar to that of cyanobacteria. • Organelle ribosomes are like those found in bacteria (70s). • Organelle proteins, like those of bacteria, use N-formylmethionine as the initiating amino acid Producers (autotrophs) are found in the FIRST _________________ TROPHIC level of all food chains Name the plant polysaccharide made with α-glucose monomers joined with 1-4 linkages Starch (amylose & amylopectin) http://www.sciencecollege.co.uk/SC/biochemicals/starch.jpg Name some types of passive transport you learned about Diffusion, facilitated diffusion, ion channels, osmosis, aquaporins, Name the polysaccharide made with β-glucose monomers joined with 1-4 linkages Cellulose http://www.fibersource.com/f-tutor/Images/Cell.GIF Name the following functional groups Carbonyl (aldehyde) carboxyl Carbonyl (ketone) amino Hydroxyl sulfhydryl phosphate Name this subunit Amino acid Joining these together will make which macromolecule? protein Name the organelle which modifies and packages molecules for transport. Golgi apparatus Match the coelom with the correct worm Phylum ACOELOM Playtehelminthes (flatworms) Pseudocoelom Nematoda (round worms) Eucoelom Annelida (segmented worms) http://web.nkc.kku.ac.th/images/lean/1-1.jpg Lichens are the result of a symbiotic relationship between a fungus and algae. The fungal partner benefits by getting sugars, produced by the algae during photosythesis.The algal partner gets protection against the weather as the fungi normally forms the outer surface. mutualism This is an example of ____________ Birds and mammals have a ___ 4 chambered heart and a ___ 2 loop circulatory system. (Add a number to each blank) Why does spermatogenesis produce 4 haploid cells, but oogenesis produces only one? Concentrates all nutrients and cell components into “one good egg” for the greatest chance of success for the new zygote Amphibians and most reptiles have a ___ 3 chambered heart and a ___ 2 loop circulatory system. (Add a number to each blank) Give an example of an amniote Reptiles, birds, mammals Amniote embryos, whether laid as eggs or carried by the female, are protected and aided by several extensive membranes. In humans, these membranes include the amniotic sac that surrounds the fetus. Organisms that thrive in very hot environments thermophiles and would be placed are called ____________ ARCHAEA in the Domain ______________ Autosomal recessive genetic disorder caused by a single substitution in the genetic code for hemoglobin which causes a change in the shape of red blood cells in low oxygen conditions Sickle cell anemia Persons who are heterozygous for the above disorder have increased resistance to this disease caused by a parasitic protozoan. malaria Organisms are placed into DOMAINS based on which characteristic? Ribosomal RNA α-helix and β-pleated sheet are examples of secondary structures of proteins. ___________ primary secondary tertiary Add your ? here Add your ? here quaternary Name the protein molecule that assists in the folding of other proteins chaparonin Image from: AP BIOLOGY by Campbell and Reece Tell the place where H+ ions build up as electrons pass down the electron transport chain in mitochondria during cellular respiration Intermembrane space Hemoglobin molecule is composed of two α and two β protein chains. This is an example quaternary of ____________ protein structure. primary secondary tertiary quaternary Tell where this molecule might be found and give its function Found in red blood cells Carries oxygen http://fig.cox.miami.edu/~cmallery/150/chemistry/hemoglobin.jpg COMPARE THE FOLLOWING: Cellular Respiration Where does energy come from? Where do H+ ions build up? Final ETC electron acceptor ? Location of ETC ? In plants ? In animals ? Glucose Intermembrane space Oxygen Cristae In plants and animals Photosynthesis SUNLIGHT Thylakoid space NADPH Thylakoid membrane Only in plants Name the three kinds of nitrogen waste excreted by animals Ammonia, urea, uric acid Which of these is excreted by most aquatic organisms? ammonia Which of these is excreted by reptiles & birds? Uric acid Name the protein hormone that causes liver and muscle cells to store glucose as glycogen insulin beta cells This hormone is produced by the _____ found in the islets of _____________ Langerhans pancreas in the ______________ Name the disorder caused by a deficiency of this hormone or a decreased response in target tissues. Diabetes mellitus Tell whether the following carry highly oxygenated or deoxygenated blood? right atrium deoxygenated left atrium Highly oxygenated right ventricle deoxygenated left ventricle Highly oxygenated pulmonary artery deoxygenated pulmonary vein highly oxygenated During replication which strand is synthesized in pieces? Lagging strand Name these pieces Okazai fragments Which enzyme joins the fragments together ? DNA ligase This cell is in a(n) ______ hypo tonic solution What will happen to this animal cell? It will swell and burst It will shrink It will swell and burst This process is called cytolysis ________________ It will same the same size Which of the following would probably be a response(s) to a drop in body temperature? Vasodilation of capillaries in skin → Constriction of capillaries in skin → Erection of hairs/fur on skin Increased sweating → Nonshivering thermogenesis → Shivering COMPARE THE FOLLOWING: PROTOSTOMES Blastopore becomes ? Type of cleavage Animal groups seen in? Mouth DEUTEROSTOMES Anus Determinate spiral Indeterminate radial All triploblastic invertebrates except echinoderms Vertebrates plus echinoderms Tell the body part responsible for the following: Thermoregulation hypothalmus Chyme is mixed with pancreatic enzymes Produces bile Stores bile Duodenum (small intestine) liver Gall bladder Monitors CO2 concentration in blood Medulla oblongata Tell the body part responsible for the following: Contains alveoli lungs Processes toxins liver Activates pepsinogen oogenesis stomach ovary pulmonary artery pulmonary vein deoxygenated highly oxygenated This cell is in a(n) ______ iso tonic solution What will happen to this cell? Stay the same size It will shrink It will swell and burst It will same the same size Activation of pepsinogen is an example of ______________ feedback because once some POSITIVE pepsinogen molecules are activated by acid in the stomach to pepsin, activation occurs at an increasingly rapid rate because pepsin can activate additional molecules of pepsinogen. Arterioles connect arteries and capillaries _________ This part is a muscle cell releases Ca++ when the cell receives the stimulus to contract. Sarcoplasmic reticulum Name the neurotransmitter released into the synaptic cleft when a nerve signal is transmitted acetylcholine The rise in levels of which ion through voltage gated channels causes the fusion of vesicles and the release of the neurotransmitter above. Ca++ Describe some of the post transcriptional modifications on eukaryotic DNA prior to leaving the nucleus Removal of introns/joining of exons Poly A tail added 5’ guanine cap added UBIQUITIN is a molecular tag added to ____________ proteins that marks them for degradation by proteosomes Name the complex that recognizes slice sites, removesintrons, and combines exons during mRNA processing ? spliceosomes RNA molecules that function as enzymes ribozymes are called ___________ During replication, which strand is synthesized continuously? Leading strand Name the enzyme whose function is to: Attaches the correct amino Amino acyl t-RNA synthase acid to a tRNA Starts a DNA strand by putting in a short stretch of RNA primase Adds protective ends onto DNA to prevent loss of the message when its copied telomerase DNA replication can be described as Semi-conservative ____________________ Dispersive conservative semi-conservative Name 3 ways bacterial DNA can be changed in nature. Transformation conjugation (bacterial sex) transduction Bacterial “sex” is also called conjugation ___________________ Small circular self replicating DNA separate from the bacterial chromosome that often carry genes for antibiotic resistance are plasmids called ____________ Name the molecule in the cell walls of most Prokaryotes but missing in archaeans. peptidoglycan Tell some differences between the following: MONOCOTS One cotyledon Veins parallel Vascular tissue scattered Fibrous roots Pollen grain w/1 opening Flower parts in multiples of 3 EUDICOTS Two cotyledons Veins netlike Vascular tissue in ring Taproot (main root) Pollen grain w/3 openings Flower parts in multiples multiples of 4 or 5 Which of the following is found in all triploblastic animals other than worms? Eucoelom OR true coelom http://web.nkc.kku.ac.th/images/lean/1-1.jpg This cell is in a(n) ______ hyper tonic solution What will happen to this cell? 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