Plant is a living organism. It is made up of different parts, each of whitch has specialized function. 2. Name the parts of a shoot system. The shoot system above the ground consists of the stem, the leaves, flowers and fruit. 3. What are the main functions of a shoot system? Main functions of a shoot system are: * Stem- to support the plant, to transport water, minerals and sugar * Leaves- to make food by photosynthesis, to absorb water from air * Flower- to contain reproductive organs, the reproductive function *Fruit- to enclode the seeds, to protect seeds 4. What are the main functions of a root system? Main functions of a root system are to take in, absorb water and minerals, to hold the plant firmly in the soil. 5. What happens in the process of photosynthesis? For the process of the photosynthesis is sunlight necessary. Water from the soil and carbon dioxide from the air are converted into sugars and after carbohydrates.
transported over long distances and give rise to transnational exchanges of pollutants. In addition, dioxins which were released into the environment many years ago are still contributing to current exposure. Even very small dioxin concentrations can cause negative effects on the environment and on human health, in particular on the most vulnerable groups like children. Human health effects include impairment of the immune system, the nervous system, the hormonal system and the reproductive functions. Dioxins are also suspected of causing cancer. How Are We Exposed to Dioxins? Although formation of dioxins is local, environmental distribution is global. Dioxins are found throughout the world in the environment. The highest levels of these compounds are found in some soils, sediments and food, especially dairy products, meat, fish and shellfish. Very low levels are found in plants, water and air.
females. Males can weigh up to 115 kg. · The Giant Panda has a body shape typical of bears. The Giant Panda has large molar teeth and strong jaw muscles for crushing tough bamboo. · The Giant Panda can usually live to be 20-30 years old in captivity. Reproduction · Pandas reach sexual · Since baby pandas are born maturity between the ages of very small and helpless, 4 and 8, and may be they need the mother's reproductive until age 20. undivided attention, so she · The mating season takes is able to care for only one place between March and of her cubs. May. · She usually abandons one · The interval between births of her cubs, and it dies soon in the wild is generally two after birth. At this time, years. scientists do not know how · Usually, the female panda the female chooses which
• Hüpofüsaarne (tuumor, prolaktinoom) Kõige sagedasemad: PCOS, • Teistest endokriinnäärmete häiretest hüpotalaamiline amenorröa, (neerupealiste ja kilpnäärmehaigused, hüperprolaktineemia, munasarja kasvajad) munasarjade puudulikkus • Multifaktoriaalne (PCOS) Practice Committee of American Society for Reproductive Medicine, 2008. Fertil. Steril. Amenorröa klassikaline jaotus Polütsüstiliste munasarjade sündroom http://www.pathophys.org/pcos Androgeenide toimed Color Atlas of Pathophysiology, 2nd Ed Silbernagl, Stefan, Lang, Florian http://ebooks.thieme.com/ Kordamisküsimused • Enneaegne puberteet ja puberteedi hilinemine – etioloogia ja patogenees • Hüpogonadismi definitsioon ja jaotus
Klassikaline geneetika Johanna Maria Kirss Mis on klassikaline geneetika? Geneetika vanim haru „Classical genetics is the branch of genetics based solely on visible results of reproductive acts.“ Gregor Mendel 1860ndad Katsed hernestega Pärilikkusseadused Meioos Ristsiire Dominantsus ja retsessiivsus … Kodominantsus Intermediaarsus Veregrupid, kiiresti IA; IB; i Kodominantsus ja dominantsus-retsessiivsus IA = I B > i Veregrupid AB (genotüüp IAIB) A (genotüüp IAi või IAIA) B (genotüüp IBi või IBIB) 0 (genotüüp ii) Mendel, herned ja reeglid
Formaldehyde exposure levels were not reported in these studies. Low birth weight was not statistically significant associated with formaldehyde exposure in a population-based epidemiological study. No effects on sperm morphology were seen in exposed individuals exposed to formalin from a hospital autopsy service. In WHO IARC it is concluded that "whether administered by inhalation, ingestion or the skin to various species, formaldehyde did not exert adverse effects on reproductive parameters or fetal development" (WHO IARC, 1995). Studies in Animals Effects on Fertility No studies devoted solely to reproductive effects using formaldehyde were performed. Doses that induced stomach lesions in the chronic drinking water study with rats approx. 82 and 109 mg/kg b.w./day for male and female rats, respectively, did not reveal adverse effects on reproductive organs. Developmental Toxicity
accumulation. Experience from humans after repeated oral intake gives indications of haematotoxicity at dosages from 0.4 mg/kg bw/day. b) Reproduction toxity · Developmental toxicity The critical exposure level for potential developmental toxicity has been determined to be 150 mg/person/day or 15 mg/m3. · Reproduction toxicity No effects in any of the organs of the reproductive system of either males or females (for mice). No information is available on the reproductive effects of aniline in humans. · Teratogenicity Toxic starting from 21 mg aniline/kg bw/day. c) Carcinogenicity Aniline is currently classified as carcinogenic, category 3 and labelled with R40 "limitedevidence of a carcinogenic effect". Animal studies have shown an increase in tumors of the spleen in rats exposed to aniline hydrochloride
järglasi. Hübriid – erinevatest organismidest ristumise teel saadud uus järglane (nt. Muul – hobuse ja eesli järglane). looduslik valik– paremini kohastunud isendite eelispaljunemine ja ellujäämine. Liik – looduslik organismiderühm, kelle isendid võivad omavahel ristuda ning kellel on oma leviala. geograafiline liigiteke – ühe liigi jagunemine kaheks või enamaks geograafilise isolatsiooni tõttu(mandrite triiv). bioloogiline isolatsioon (reproductive isolation)- populatsioonide eraldatus, mis tuleneb ristumisbarjäärist; võib olla ajaline, käitumislik või mehaaniline. endeemsed liigid - eraldatud piirkondades elavad loomaliigid, keda ei kohta kusagil mujal maakeral (mandrist kaugel saartel elavad liigid, laiade jääliustikega üksteisest eraldatud või mägedega ümbritsetud orgudes) geenitriiv (genetic drift)-geeni alleelide sageduse juhuslikud muutused populatsiooni järjestikustes põlvkondades
Kättesaadav: http://baltacthaz.bef.ee/files/c15/c55/public_est.pdf 9. Enviromental and human healt, INC. Arctificial Turf: Exposures to Ground Up Rubber Tires Athletic Fields, Platgrounds, garden Mulck. Kättesaadav: http://www.ehhi.org/reports/turf/health_effects.shtml 10. Gregory M, Lacroix A, Haddad S, Devine P, Charbonneau M, Tardif R, Krishnan K, Cooke GM, Schrader T, Cyr DG. 2009. Effects of chronic exposure to octylphenol on the male rat reproductive system. Kättesaadav: http://www.ncbi.nlm.nih.gov/pubmed/20077229 11. Flanders Marine Institute. Endocrine Disruption in the Scheldt estuary: distribution, exposure and effects. Kättesaadav: http://www.vliz.be/projects/endis/EDnorth.php? showchemprop=true&showeffects=true&chemeffects=true&chemid=425
Can China's rare `bear' survive? Pandas are not a species at an `evolutionary dead end' as is sometimes claimed, according to new research that has been carried out by scientists at Cardiff University and in Sichuan in China. Previous findings have suggested that the serious decline in giant panda numbers in modern times is related to its unusual dietary requirements the species exists almost entirely on bamboo habitat isolation and relatively slow reproductive rate. But this new study, published in Molecular Biology and Evolution, has uncovered an important relationship between the species' decline and human activities. "It is clear that the species has suffered at the hands of human activities such as deforestation and poaching," said Professor Michael Bruford. The research also shows that where habit conservation projects have been properly implemented, the giant panda is flourishing and its numbers are increasing.
Samuti ei saa me kõrvale kalduda väitest, et tänu kloonimise tehnoloogiale on meil võimalik saada identseid katseloomi, sordiaretus on rikkalikum ning tänu kloonimisele on tänapäevaks loodud loomi, kellelt saame kasutada organeid, mis võivad olla inimelule hindamatu tähtsusega. Teaduse arengu huvides jääb meil ainult loota, et need probleemid lähiaastatel lahendatakse 6. Kasutatud kirjandus 1. ,,Animal Cloning: problems and prospects" 2005 aprill, Reproductive Technologies Group, Ag Research Rukaura 2. ,,Animal cloning: What is the furute"- 2002 January, BBC News 3. Euroopa Eetika Grupi koduleht: www.eko.org.ee 4. Rait Rand, refetaat, ,,Kloonimine" 5. http://et.wikipedia.org/wiki/Kasutaja:Kj19/Dna_kloneerimine
talutavalt. See on kõik tore, aga siin samal ajal esineb probleem. Muidugi selline kondoom aitab naistel end kaitsta, aga selline asi on peaaegu kättesaamatu. See maksab palju raha(2010.aastal 6eurot ühe kondoomi eest) ning mõnedel riikidel üldse puudub. USAs nt. see maksab nii palju, et keskmine ja madal inimeste klassid ei saa seda osta. Lisaks sellele valitsevad probleemid veoga. Aga tundub, et olukord muutub paremaks.Anny Peters, Willy Jansen, Francien van Driel. May 2010. Reproductive Health Matters. The female condom: the international denial of a strong potential. 18, 35, 119-128. [Online] (http://www.sciencedirect.com) (06.11.2012) [URL] http://dx.doi.org.ezproxy.tlu.ee/10.1016/S0968-8080(10)35499-1[3] Naiste kondoomid on hea kontratseptiivide liik, mis annab võimaluse end kaitsta. 5) Meeste preservatiivid
(2014). Flowering, pollen production and insect visitation in two Aconitum species (Ranunculaceae). Acta Agrobotanica, 67(2), 312. http://doi.org/10.5586/aa.2014.020 Anto, S., & Kamiska, M. (2015). Comparative floral spur anatomy and nectar secretion in four representatives of Ranunculaceae. Protoplasma, 252(6), 15871601. http://doi.org/10.1007/s00709-015-0794-5 De Hert, K., Honnay, O., & Jacquemyn, H. (2012). Germination failure is not a critical stage of reproductive isolation between three congeneric orchid species. American Journal of Botany, 99(11), 188490. http://doi.org/10.3732/ajb.1200381 De Hert, K., Jacquemyn, H., Provoost, S., & Honnay, O. (2012). Absence of Recruitment Limitation in Restored Dune Slacks Suggests That Manual Seed Introduction Can Be a Successful Practice for Restoring Orchid Populations. http://doi.org/10.1111/j.1526- 100X.2012.00925.x De hert, K., Jacquemyn, H., Van Glabeke, S., Roldán-Ruiz, I., Vandepitte, K
ja toksilisus (võime moodustadatoksiine)[1]. Virulentsus sõltub suuresti vaadeldavast mikroobitüvest (tüvespetsiifilisus). 26. Lõivsuhted (mõiste ja näide) ühe funktsiooni kaudu realiseerunud kohasus on negatiivses põhjuslikus seoses teise funktsiooni kaudu realiseerunud kohasusega Nt taimedel vegetatiivne ja generatiivne paljunemine piiratud sama ressursi poolt. 27. Hõimuvalik is the evolutionary strategy that favours the reproductive success of an organism's relatives, even at a cost to the organism's own survival and reproduction. 28. Koevolutsioon on kahe või enama vastassuhteis oleva liigi (või muu bioloogilise üksuse) üksteisest sõltuv evolutsioon. 29. Kladistika ehk fülogeneetiline süstemaatika on fülogeneetilise süstemaatika peamisi meetodeid. See on süstemaatika üks põhisuundi, mis baseerub taksonite fülogeneesiarvestamises.Ei tugine üksnes
Armenian Health Network, Health.am. 2006. Retrieved 2007-10-07. 6. "Causes of Erectile Dysfunction". Erectile dysfunction. Armenian Health Network, Health.am. 2006. Retrieved 2007-10-07. 7. "Erectile dysfunction". Erectile dysfunction. Mayo Clinic. 2006. Retrieved 2007-10-07. 8. "Erectile Dysfunction Causes". Erectile Dysfunction. Healthcommunities.com. 1998. Retrieved 2007-10-07. 9. "The Tobacco Reference Guide". Retrieved 2006-07-15. 10. Peate I (2005). "The effects of smoking on the reproductive health of men". Br J Nurs 14 (7): 3626. PMID 15924009. 11. Korenman SG (2004). "Epidemiology of erectile dysfunction". Endocrine 23 (2-3): 8791. doi:10.1385/ENDO:23:2-3:087. PMID 15146084. 12. Kendirci M, Nowfar S, Hellstrom WJ. (2005). "The impact of vascular risk factors on erectile function". Drugs Today (Barc) 41 (1): 6574. doi:10.1358/dot.2005.41.1.875779. PMID 15753970. 13. http://www.erektsioon.ee/erektsioonihaire-abc/erektsioonihaire-diagnoosimine.html 14. http://www.erektsioon
Öpik, M. 1995. Viljakehade morfoloogia, kultuuritunnused ning paarumistestid austerserviku (Pleurotus ostreatus (Jacq.: Fr.) P. Kumm.) kompleksi kuuluvate liikide eristamisel. Diplomitöö. Tartu Ülikool. Käsikiri. Öpik, M. 1998. Puhaskultuuride tunnused liudikulaadsetel seentel (Pezizales) süstemaatikas. Magistritöö. Tartu Ülikool. Käsikiri. Yun, S.H., Berbee, M.L.,Yoder, O.C. & Turgeon. BG. 1999. Evolution of the fungal selffertile reproductive life style from selfsterile ancestors. Proceedings of the National Academy of Sciences, USA 96: 5592–97. Шнырева, A. 2005 Популяционная биология грибов с гаплоидным и гапло- дикариотическим жизненными циклами. ДИССЕРТАЦИИ МГУ имени М.в. Ломоносова. Käsikiri. 90
over (genetic recombination) between homologous chromosomes during meiosis. Balancers are most often used in Drosophila melanogaster (fruit fly) genetics to allow populations of flies carrying heterozygous mutations to be maintained without constantly screening for the mutations but can also be used in mice.[1] Balancer chromosomes have three important properties: they suppress recombination with their homologs, carry dominant markers, and negatively affect reproductive fitness when carried homozygously. 7.3. Rekombinatsiooni osa evolutsiooniprotsessis Meioosis, kus homoloogilised kromosoomid satuvad kõrvuti, rekombineeruvad aheldunud geenid ristsiirde kaudu nii tekivad uued alleelide kombinatsioonid. Mõned neist kombinatsioonidest võivad organismile kasulikud olla, tõstes tema eluvõimet ja viljakust. Nii levivad kasulikud kombinatsioonid populatsioonis, kuni muutuvad konkreetse liigi seisukohalt standardseteks. Geneetilise
spores, and are noted for their distinct "earthy" odor that results from production of a volatile metabolite, geosmin. Algae - any of numerous groups of chlorophyll-containing, mainly aquatic eukaryotic organisms ranging from microscopic single-celled forms to multicellular forms 100 feet (30 meters) or more long, distinguished from plants by the absence of true roots, stems, and leaves and by a lack of nonreproductive cells in the reproductive structures. Today, algae are used by humans in many ways; for example, as fertilizers, soil conditioners and livestock feed.[54] Aquatic and microscopic species are cultured in clear tanks or ponds and are either harvested or used to treat effluents pumped through the ponds. Algaculture on a large scale is an important type of aquaculture in some places. Maerl is commonly used as a soil conditioner. Factors incluencing soil microflora 1. Cultural practices (Tillage):Cultural practices viz
Siin on olulised maatriksi metalloproteinaasid, mis lagundavad emakakoe ekstratsellulaarset maatriksit (endomeetrium, siis detsiidua), et trofoblast saaks sisse tungida. 8 Millised ajalised „aknad“ reguleerivad naise reproduktiivfunktsiooni ja inimese paljunemist üleüldiselt? (Viimase küsimuse juures ma ootaks, et üliõpilased räägiks järgnevatest „akendest“: menarhe - menopaus ehk reproductive lifespan, viljastumise „aken“ (WOI) ja sellele järgnev embrüo kvaliteedikontrolli periood). 1) Menarhe-menopaus – menarhe ehk esimene menstruaaltsükkel algab keskmiselt 12-13 eluaastal ning saavutatakse suguküpsus. Menopaus saabub umbes 40-60 eluaastaks. Menopausiks on hävinud kõik munarakud ja rasestuda ei ole enam võimalik. Ehk menarhest kuni menopausini on võimalik lapsi saada ning niikaua kestab
hea sõudja viletsas paatkonnas jääda kaotajaks. Geenid on nagu sõudjad, isend nagu paatkond. Iga üksiku geeni (alleeli) sagedus järgmises põlvkonnas suureneb, kui ta on seotud keskmisest edukamate geenikombinatsioonidega ehk isenditega. Isend on geeni seisukohalt üksnes vahend endasuguste taastootmiseks. Isendi bioloogilise edukuse tunnustatud mõõduks on tema poolt elu jooksul produtseeritud ja suguküpsuse saavutanud järglaste koguarv ehk eluaegne sigimisedukus (lifetime reproductive success). Viimane sõltub isendi sobivusest konkreetsete olelus- ehk keskkonnatingimustega. Isendi suhtelist sobivust antud keskkonnatingimustega mõõdab isendi kohasus ehk fitness (mõnikord kasutatakse ka terminit "adaptiivsus" (adaptiveness). Eelnevast tuleneb, et looduslik valik on paratamatult suunatud isendite kohasuse maksimiseerimisele. Valdavalt headest sõudjatest koosnevad paatkonnad tulevad reeglina võitjaks
consciously. A handbook for many in this group has been the book by Jeannine and Frederick Baker, Conscious Conception: Elemental Journey Through the Labyrinth of Sexuality (Monroe, UT, Freestone Publishing or Berkeley, CA: North Atlantic Books, 1986). Their practice assumes the soul of the baby exists prior to its joining the family. Today, there are additional motivations for beginning parenting before conception, namely the lengthening list of reproductive hazards in the contemporary world. · Matters of great importance for our future are taking place, yet we have no memory of this time. Further, as if to deny any relevance of this period, it si only when it ends that our official age begins.- · The significance of this shift in belief is vast in that the original view led to the notion that we are victims of our biology. Whereas the `new' sciences show that we are actually masters of our biology.
13 Roland Phillips, ‘’Coronary heart disease mortality among Seventh-Day Adventists with differing dietary habits: a preliminary report’’, the American journal of clinical nutrition, http:// ajcn.nutrition.org/content/31/10/S191.abstract? ijkey=18706be5e362ceac27ce659a27a82ac2364d4219&keytype2=tf_ipsecsha, 01.10.2016 8 consumption. In addition to that, it is notable that the female body is naturally designed to store more fat for reproductive purposes. Researchers have found that oestrogen, a primary female sex hormone, is what reduces fatty acid oxidation and is, as a result, responsible for increased body fat in women.14 A clear indicator to why vegetarian women were at the highest risk for developing coronary artery disease was not found. One possible reason behind it could be that vegetarian women consumed an unhealthier diet compared to their non-vegetarian counterparts
A Clockwork Orange deals with a futuristic super-‐state with an authoritarian government that manipulates its citizens into passive complacency. Women’s liberation movement; Angela Carter, A.S. Byatt The women’s liberation movement is part of postmodernism and feminism. A campaign for: reproductive rights, against domestic violence, sexual harassment, for maternity leave, equal pay, suffrage, etc. Demonstrations and conferences in the late 1960. Women’s rights movements divide into three periods of activity. First wave feminist
Second Wave Feminism, also called The Feminist Movement, or the Women's Liberation Movement, is a period of feminist activity in the United States which began during the early 1960s and lasted through the late 1990s.[1] Whereas first-wave feminism focused mainly on overturning legal obstacles to gender equality (i.e. voting rights, property rights), second-wave feminism broadened the debate to a wide range of issues: sexuality, family, the workplace, reproductive rights, de facto inequalities, and official legal inequalities.[2] Second Wave Feminism radically changed the face of western culture, leading to marital rape laws, establishment of rape crisis and battered women's shelters, significant changes in custody and divorce law, and widespread integration of women into sports activities and the workplace. It also tried and failed to add the Equal Rights Amendment to the United States Constitution.
2) Animals may be studied as a means of understanding human behavior. 3) There are biological correlates of behavior. Cognitions, emotions and behaviors are products of the anatomy and physiology of our nervous and endocrine system. Explain how principles of the biological level of analysis may be demonstrated in research. 1) Correlational studies: Study by Buss, who hypothesized that across cultures, men will prefer to marry younger women because of greater reproductive capacity and women will place greater value on a potential mate's earning potential to provide survival advantages. This evolutionary hypothesis was tested in 37 cultures by sending out questioners. 2) Twin studies (type of correlational studies) compare trait similarities in identical and fraternal twins (Minnesota twin study by Tellegen, Buchard). 3) Experiment: Split-brain experiments by Gazzaniga & Sperry, brain plasticity
meant to symbolize the intense but always incomplete connection between individuals. Having sex is the closest two people can come to being one merged individual, but the boundaries of the body always prevent a complete union. The affection Whitman shows for the bodies of others, both men and women, comes out of his appreciation for the linkage between the body and the soul and the communion that can come through physical contact. He also has great respect for the reproductive and generative powers of the body, which mirror the intellect's generation of poetry. The Civil War diminished Whitman's faith in democratic sympathy. While the cause of the war nominally furthered brotherhood and equality, the war itself was a quagmire of killing. Reconstruction, which began to fail almost immediately after it was begun, further disappointed Whitman. His later poetry,
chose+eetika&1%2C%2C2%2C1%2C0 · Cicero, ,,Kohustustest": lk 11-42 (sõprusest, aulisusest, õiglusest, valitseja kohustustest) First of all, Nature has endowed every species of living creature with the instinct of self-preservation, of avoiding what seems likely to cause injury to life or limb, and of procuring and providing everything needful for life -- food, shelter, and the like. A common property of all creatures is also the reproductive instinct (the purpose of which is the propagation of the species) and also a certain amount of concern for their offspring. But the most marked difference between man and beast is this: the beast, just as far as it is moved by the senses and with very little perception of past or future, adapts itself to that alone which is present at the moment; while man -- because he is endowed with reason, by which he comprehends
down ; tissue mechanical support would break down ; AVP ; AVP ; e.g. no animal model protein drug digested in gut rare condition (qualified), economic argument 2 max [10] 110. (a) avoid attracting a mate of a different species ; ora ensure reproductive isolation ; 1 max (b) (i) diffusion ; 1 (ii) so that they do not receive oxygen constantly ; there are mitochondria between them and the cell surface ; 1 max (c) mitochondria / aerobic respiration / oxidative phosphorylation, inhibited only briefly ; oxygen concentration decreases again ;
men. OneTaste (http://onetaste.us) OneTaste was founded by Nicole Daedone to give women a place to learn about sex and orgasm from other women. In addition to events and classes at the New York City and San Francisco locations, private coaching is available in person and by phone. San Francisco Sex Information (http://sfsi.org/wiki/Main_Page) Have a question about any aspect of sex? Con dentially and anonymously contact SFSI, which provides free and nonjudgmental information about sex and reproductive health. The telephone hotline is available in the United States (or from anywhere if you use Skype), and the "Ask Us" e-mail service is available to English and Spanish speakers. "TED Talk--Mary Roach: Ten Things You Didn't Know About Orgasm" (www.fourhourbody.com/roach) Sexual physiology has been studied for centuries, behind the closed doors of laboratories, brothels, Alfred Kinsey's attic, and, more recently, MRI centers, pig farms, and sex-toy R&D labs
Katzev, R, 8z Pardini, A. (1988). The comparative effectiveness of token reinforcers and personal commitment in promoting recycling. Journal of Environ mental Systems, 17, PP·93-113· Keinan, G. (1987). Decision making under stress: Scanning of alternatives under control- lable and uncontrollable threats. Journal of Personality and Social Psychology, 52, 639-644. Kenrick, D. T., 8z Keefe, R C. (1992). Age preferences in mates reflect sex differences in human reproductive strategies. Brain and Behavioral Sciences, 15, 75-133. _ REFERENCES Kenrick, D. T., Gutierres, S. E., 8{ Goldberg, 1. 1. (1989). Influence of popular erotica on judgments of strangers and mates. Journal of Experimental Social Psychology, 25, 159-167. Kerr, N. 1., 8{ MacCoun, R. J. (1985). The effects of jury size and polling method on the process and product of jury deliberation. Journal of Personality and Social Psychology, 48, 349-3 63.
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