Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
microbiology
several of descriptions with blanks
| descriptions with blanks | the answers to the blanks |
|---|---|
| (Bacteria>symbiosis) the relationship between the human body and the normal flora is an example of #1. In some cases the #2 is #3 to both the human body and the micro-organisms.this relationship is called #4. | #1-symbiosis #2-symbiosis #3-beneficial #4-muturalism |
| (bacteria>symbiosis) In other cases, symbiosis is #1 only to the micro-organisms. this is called #2. | #1-beneficial #2-commensalism |
| (bacteria>vaccine) vaccine contain #1 that have usually been altered in some way that means they do not cause #2 in the #3 or the #4 are much less #5. | #1-micro-organism #2-diease #3-host #4-symptoms #5-severe |
| (bacteria>vaccine) the #1 can produce #2 in the response to the #3 which means the human body will be #4 if it is ever exposed to the #5 again. the human body will be able to make #6 much quicker in #7 concentrations and for much #8. | #1-host #2-antibodies #3 vaccine #4-prepared #5-micro-organism #6-antibodies #7-higher #8-longer |
| (bacteria>beneficial bacteria>Escherichia coli) gram #1 bacterium normally found in the #2, produces #3 called #4 which #5 growth of the other bacteria of the same or closely related #6.this is called #7. | #1-negative #2-intestine #3-protein #4-bacteriocins #5-inhibits #6-species #7-microbial antagonism |
| (bacteria>beneficial bacteria>Escherichia coli) genetic engineering has meant that Ecoli can produce #1.the #2 is isolated from #3, purified and #4 into the #5 by a #6.the #7 is then produced through #8.#9 can be massed produced to give to #10. | #1-insulin #2-gene #3-humans #4-inserted #5-bacteria #6-plasmid #7-protein #8-cellular synthesis #9-insulin #10-diabetes suffers |
| (bacteria>natural habitats) water - #1 human body - #2 soil - #3 room surface - #4 | #1-vibrio cholerae #2-Escherichia coli #3-streptomyces #4-staphlococcus aureus |
| (bacteria>beneficial bacteria) the normal flora:#1 of #2 that #3 the #4 without necessarily causing #5. | #1-population #2-micro-organism #3-infect #4-human body #5-diease |
| (bacteria>beneficial bacteria) normal flora #1 the #2 by preventing the #3 of #4 organisms. this is called #5, and it involves #6 between #7. | #1-benefit #2-host #3-overgrowth #4-harmful #5-microbial antagonism #6-competition #7-micro-organism |
| (bacteria>beneficial bacteria) when the #1 is #2.#3 can occur.things such as as #4 could reduce #5 and allow #6 to #7 in its place. | #1-balance #2-upset #3-diease #4-antibiotic therapy #5-bacterial populations #6-opportunisitic micro-organism #7-grow |
| (bacteria>beneficial bacteria) the #1 in the human body is #2 as: it #3 the #4 of #5 substances. it #6 against the #7 by #8. | #1-natural flora #2-beneficial #3-aids #4-production #5-beneficial #6-protects #7-colonisation #8-pathogens |
| (bacteria>beneficial bacteria) organisms of the #1 are introduced when the #2 passes through the #3, begins #4 and #5. within #6 most of the organisms of the #7 have appeared. | #1-normal flora #2-child #3-birth canal #4-breathing #5-feeding #6-2,3 days #7-normal flora |
| (bacteria>detrimental bacteria>pathogens) #1 is the #2 of a #3 to gain #4 to the #5 and cause #6 or #7 change, causing a change in #8 and thus #9. | #1-pathogenicity #2-ability #3-parasite #4-entry #5-hosts tissue #6-physiological #7-anatomical #8-health #9-diease |
| (bacteria>detrimental bacteria>pathogens>bacillus anthracis) cause #1 in #2. a #3 that can be passed into the #4 from the #5 via #6 or #7 into the #8, or #9 in #10. the #11 release a #12 of #13 which cause #14 or #15 | #1-anthrax #2-humans #3-bacterium #4-human body #5-soil #6-cut #7-inhaled #8-lungs #9-ingested #10-contaminate meat #11-bacteria #12-number #13-toxins #14-necrosis(tissue death) #15-oedema |
| (bacteria cell parts>mesosomes) #1 are #2 in the bacterial #3 found in gram #4 and gram #5 bacteria. various functions including- involved in #6 and #7 involved in #8 play a role in #9 and #10 | #1-mesosomes #2-folds #3-cell membrane #4-positive #5-negative #6-DNA replication #7-segregation #8-cell wall synthesis #9-respiration #10-photosynthesis |
| (bacteria cell parts>inclusion bodies) #1 are bodies of #2 within the #3. they have different #4 depending on the #5 of #6 they are. | #1-inclustion bodies #2-reserve material #3-cell #4-roles #5-type #6-cell |
| (bacteria cell parts>periplasmic space) #1 is the #2 between the #3 and the #4. gram #5 bacteria:either #6 or is #7 gram #8 bacteria:have #9 | #1-periplasmic space #2-border #3-cell membrane #4-cell wall #5-positive #6-do not have #7-small #8-negative #9-large periplasmic space |
| (bacteria cell parts>flagella) #1 are #2 made of the #3. they allow the #4 to be #5 and can #6 beyond the #7 up to #8 the length of the #9. the #10 at up to #11 per #12. | #1-flagella #2-filamentous structures protein flagellin #3-cell #4-cell #5-motile #6-extend #7-cell wall #8-10 times #9-cell #10-flaglla rotates #11-60 revolutions #12-seconds |
| (bacteria cell parts>flagella) flaglla arrangement #1 distribution can be one of #2 types. 1)#3-#4 flanglla at #5 of cell. 2)#6-a #7 flaglla at #8 of the cell 3)#9-a short #10 of flaglla at #11 of cell 4)#12-#13 flaglla over #14. | #1-flagella #2-four #3-monotrichous #4-one #5-one pole #6-amphitichous #7-single #8-both pole #9-lophotrichous #10-cluster #11-one or both pole #12-peritrichous #13-lateral #14-whole surface |
| (bacteria cell parts>pili) #1 or #2 are short #3 structures found in #4 gram #5 or gram #6 bacteria. they have #7 distinct functions 1)#8-#9 2)#10-bring about #11 or #12 in bacteria through a process of #13. | #1-pili #2-fimbrae #3-hair like #4-both #5-positive #6-negative #7-two #8-common pili #9-specific adherence #10-F pili #11-genetic exchange #12-mating #13-conjugation |
| (bacteria cell parts>biofilms) a #1 is formed when #2 to a #3, produce slime and then #4 forming #5 within the slime layer.the #6 provides an #7, #8 environment for themselves and other #9 forming a #10 environment. | #1-biofilm #2-bacteria attach #3-surface #4-divide #5-micro-colonies #6-biofilm #7-enrich #8-protected #9-bacteria #10-complex bacterial |
| (bacteria cell parts>biofilms) function of biofilms 2)#1 from engulfment by #2 and by #3 (#4). 3)#5 against attacks by #6. 4)excludes #7 and other #8. 5)#9 against desiccation. 6)#10 in #11 by helping #12 to resist #13 by #14. | #1-protect bacterial cell #2-protozoa #3-white blood cell #4-phagcytosis #5-protect #6-anti-microbial agents #7-viruses #8-toxic materials #9-protect #10-aids #11-phagocytosis #12-bacteria #13-phagocytosis #14-phagocytes |
| (bacteria cell parts>bacterial endospores) #1 are a #2, highly #3 that allow #4 to survive in #5 environment. they are typically gram #6 bacteria with the most notable being the #7. | #1-bacteria endospores #2-protective #3-resistant structure #5-hostile #6-positive #7-bacillus genus |
| (bacteria cell parts>bacterial endospores) #1 are known as #2 in that they show no sign of life,however they ensure the #3 remains #4 when environment conditions return to #5. | #1-endospores #2-cyptobiotic #3-cell #4-viable #5-normal |
| (bacteria cell parts>bacteria endospores) bacterial endospores can survive: 1)#1 2)#2 3)#3 4)#4 5)#5 6)#6 | #1-high temperature #2-irradiation #3-desiccation #4-strong acid #5-organic solvent #6-disinfectant |
| (viruses) #1 are small, #2 (they only cause #3 once they have #4) #5. | #1-viruses #2-obligate #3-infections #4-infect the host orgainm cell #5-intracellular parasites |
| (viruses>viruses structure) #1 vary in #2 and #3, however they are always composed of #4 parts. 1)#5 2)#6 | #1-viruses #2-size #3-arrangement #4-two component #5-nucleic acid #6-capsid (protein coat) |
| (viruses>viruses structure>T4 bacteriophage) #1 use the #2 to attach to #3 it wants to #4. | #1-T4 bacteriophage #2-tail fibres #3-cells #4-invade |
| (viruses>viruses structure>human immunodeficiency viruse) the #1 use #2 present on their #3 to attach to #4. | #1-HIV #2-glycoproteins #3-surface #4-host cells |
| (viruses>retroviruses) #1 is termed a #2.it is a #3 because it #4 is #5 rather than #6.this means the #7 process must be altered in order for the #8 information to be incorporated into the #9. | #1-HIV #2-retrovirus #3-retrovirus #4-nucleic acid #5-RNA #6-DNA #7-replication #8-genetics #9-host cell DNA |
| (viruses>viruse reproduction in HIV) this is a five step process: 1)#1 fuses with #2. 2)#3 produced using #4. 3)#5 incorporated in #6. 4)#7 undergoes #8 to provides component parts for #9. 5)#10 escapes #11 to cause further #12. | #1-viral DNA membrane #2-cell membrane #3-viral DNA #4-reverse transcriptase #5-viral #6-host DNA #7-viral DNA #8-protein synthsis #9-new viruses #10-virus #11-host #12-infection |
| (viruses>anti-viral drugs) #1 utilise #2 machinery.because of this, if a #3 interferes with #4 it will therefore target the #5 itself and cause #6.which can lead to #7. | #1-viruses #2-host cell #3-drug #4-viral replication #5-host cell #6-damages #7-side effects |
| (viruses>natural habitats) water-#1 human-#2 soil-#3 rooms-#4 | #1-SARS(severe acute respiratory syndrome) #2-viruses wont inhabit a human as habitat #3-wheat streak mosaic virus #4-influenza |
| (viruses>benefis from a virus>gene therapy) #1 are rontinely used #2 as a means of #3.the #4 of interest is #5 into the #6 by the #7 and is most commonly used to target #8. | #1-viruses #2-gene therapy #3-modifying model organisms #4-genes #5-inserted #6-host cell #7-cancer cell |
| (viruses>detrimental virus>herpes simplex) #1 is a #2 transmitted via #3 or #4 and cause small #5. | #1-herpes simplex #2-virus #3-sores #4-oval secretion #5-blisters |
| (viruses>viruses structure>structural components of viruses) structural components of viruses 1)#1 2)#2 3)#3 | #1-nucleic acid #2-envelope #3-capsid |
| (viruses>viruses structure>nucleic acid) #1 is either in form of #2 or #3 (can be #4 or #5 stranded). it #6 for #7 and #8 used for #9. the extent of the #10 is limited however it is responible for #11 main types of #12: 1)#13 2)#14 | #1-viral nucleic acid #2-DNA #3-RNA #4-single #5-double #6-codes #7-viral proteins #8-enzymes #9-replication #10-genome #11-two #12-protein #13-structural #14-regulatory(enzymes) |
| (viruses>viruses structure>envelope) some #1 have #2 derivied from the #3. this is usally present outside of the #4. the #5 penetration of the #6. the #7 may contain #8 such as #9 in #10 (to catalyse #11 to #12) or #13 (degradation of #14). | #1-viruses #2-envelope #3-host cell membrane #4-protein coat #5-membrane aids #6-host cell membrane #7-membrane #8-specific enzymes #9-reverse transcriptase #10-retroviruses #11-RNA #12-DNA #13-protease #14-proteins |
| (viruses>viruses structure>capsid) the #1 is built from #2 units called #3 (#4 subunits). the #5 has two main functions: #6 from attacks by #7 such as #8. the #9 contains #10 which involves in the #11 and #12 of #13 to #14. | #1-capsid #2-identical proteins #3-capsomeres #4-idenitical protein #5-capsid #6-protect viral genetics materials #7-cellular enzymes #8-nuclease #9-capsid #10-spikes #11-reconition #12-attachment #13-viruses #14-host cell |
| (viruses>viral replication/lytic cycle>extracellular stage) extracellular stage- #1:#2 on #3binds to #4 on the #5. #6:#7 inject its #8 into #9 or #10 enters #11 and #12 is released from #13. | #1-attachment #2-attachment site #3-viruses #4-surface receptors #5-host cell #6-penetration #7-virus #8-genome #9-host cell #10-viruses #11-cells #12-viral genome #13-capsid |
| (viruses>viral replication/lytic cycle>intracellular) intracellular stage- #1:#2 undergoes #3, using the #4 and #5 and #6 components are #7. #8 and #9:#10 components and #11 are packaged and buildup into #12 which fully develop. | #1-replication #2-viral DNA #3-protein synthesis #4-host cells organelles #5-energy #6-new viral #7-synthesis #8-assembly #9-maturation #10-viral #11-enzymes #12-new virons |
| (viruses>viral replication/lytic cycle>intracellular) #1:newly produced #2 are #3 from the #4 when the #5 (#6 open). this can be triggered by #7 or as a result of #8. | #1-exit #2-viruses #3-expelled #4-host cell #5-host cell lyses #6-burst #7-virus #8-autolysis |
| (gram staining) #1 can be classified depending on the content of #2 in their #3.it is the main component of the #4. 1)gram #5-contain a thicc layer of #6 in their #7 (#8).they will retain the #9. 2)gram #10-contain little #11 (#12) and retain the #13. | #1-bacteria #2-peptidoglycan #3-cell wall #4-bacterial outer membrane #5-positive bacteria #6-peptidoglycan #7-cell wall #8-(20-30 nm) #9-purple crystal violet dye #10-negative bacteria #11-peptidoglycan #12-(1-3 nm) #13-pink,safranin |
| (gram staining>peptidoglycan) #1 is a #2 that consist of a #3 of #4 and #5. | #1-peptidoglycan #2-large polymer #3-backbone #4-alternating NAG #5-NAM molecules |
| (gram staining>gram positive cell wall) gram #1-contain #2 that confer a #3. | #1-positive cell wall #2-teichoic acid #3-negitive charge |
| (gram staining>gram negative cell wall) gram #1-dont contain #2, but contain #3 which is an #4. #5 play a role in #6 as they contain #7 (#8 is the #9 component of the #10). | #1-negative cell wall #2-teichioic acid #3-lipopolysacchride (LPS) #4-endotoxin #5-endotoxin #6-infection #7-lipid A #8-lipid A #9-toxic #10-LPS endotoxin |
| (gram staining>gram negative cell wall) gram #1 have an #2 and #3 (which is usally #4 or very #5 in gram #6). this #7 determines the #8 (ability of #9) of the #10. | #1-negative cell wall #2-outer membrane #3-periplamic space #4-absent #5-small #6-positive bacteria #7-toxicity #8-virulence #9-diease #10-bacterium |
| (gram staining>cell wall function) cell wall function 1)gives #1 shape. 2)provides #2 from#3 and #4 3)plays a role in #5 and #6 4)#7 have component which contribute to #8 5)#9 of #10 of many #11 | #1-bacterial cell #2-protection #3-osmotic lysis #4-toxic sunstances #5-cell division #6-motilty #7-pathogenic bacteria #8-pathogenicity #9-site #10-action #11-anti-biotics |
| (gram staining>peptidoglycan>function of peptidoglycan) function of #1:involve in #2 and #3. | #1-peptidoglycan #2-shape #3-integrity |
| (gram staining>teichoic acid>function of teichoic acid) function of #1:confer #2 an d #3 (ability to bind to #4) in gram #5.#6 attachment of #7 to #8. | #1-teichoic acid #2-negative charge #3-anti-genicity #4-surface receptors #5-positive bacterial cells #6-aids #7-bacterial cell #8-tissues |
| (gram staining>LPS>function of LPS) function of #1:confer #2 (#3).determines #4 (how strong that #5 is) | #1-LPS (endotoxin) #2-toxicity #3-lipid A #4-virulence #5-diease |
| (gram staining>membrane>function of outer membrane) function of #1 1)forms the #2 of the #3. 2)helps the #4 evade #5 and the #6 of #7 (#8 of the #9). 3)provides a #10. 4)allow passage of #11 through #12. 5)#13 for #14 (#15). 6)attachment#16 for#17. | #1-outer membrane#2-outer limit#3-periplasmic space#4-bacterial cell#5-phagocytosis#6-action#7-complement#8-activation#9-immune response#10-permeability barrier #11-nutrients#12-porius#13-receptors#14-F pilus#15-conjugation #16-site#17-bacterial viruses |
| (bacteria) #1:are #2 organisms (lack a defined #3). 1)#4(#5) 2)#6(lack #7 in #8) | #1-bacteria #2-prokaryotic #3-nucleus #4-eubacteria #5-true bacteria #6-archaeobatria #7-peptidoglycan #8-cell wall |
| (bacteria>bacterial morphology) #1(#2):different #3 have different #4 which helps us charaterise and differentiate it from other type of #5. | #1-bacterial morphology #2-shape #3-bacteria species #4-shapes #5-shapes micro-organisms |
| (bacteria>cell division) #1:there are #2 possible arrangement of #3 which do not #4 after #5.they can arrange in #6 forms 1)#7 20#8 | #1-cell division #2-two #3-bacterial cells #4-separate #5-cell division #6-two #7-cluster #8-chains |
| (bacteria>bacteria structure) #1 have #2 essential structural components 1)A #3 2)#4 3)#5 4)#6 5)#7(may form part of the #8) | #1-bacteria #2-five #3-genome (DNA) #4-ribosomes #5-cell membrane #6-cell wall #7-surface layer #8-wall |
| (bacteria>cell membrane>function of cell membrane) function of #1 1)selectively #2 2)separates the #3 and the unit #4 from its environment. 3)provides #5 for movement of #6 or #7 across the #8. 4)#9 of #10 and #11. 5)in #12 it is the #13 of #14. | #1-cell membrane #2-permeable membrane #3-cytoplasm #4-bacterial cell #5-transport system #6-large #7-charged molecules #8-membrane #9-site #10-respiration #11-energy generation #12-photosynthetic bacteria #13-site #14-photosynthesis |
| (bacteria>cell membrane>function of cell membrane) 6)#1 of #2 of #3 and #4 components. 7)#5 of #6 8)contains #7 which allow the #8 to respond to #9 in the environment. | #1-site #2-biosynthesis #3-lipids #4-cell wall #5-co-ordination #6-DNA replication #7-receptor molecules #8-bacterial cell #9-chemicals |
| (bacteria>genome) #1 information is found on #2 present in the #3 of the #4.smaller pieces of #5 exist in the #6 in the form of #7. this combination of #8 and #9 makes the #10 of the #11. | #1-genetic #2-free floating chromosomes #3-cytoplasm #4-cell #5-DNA #6-cell #7-plasmid #8-chromosomes #9-plasmid #10-genome #11-cell |
| (bacteria>ribosomes) #1 are smaller than #2 found in #3. they are the #4 of #5 during #6. | #1-bacterial ribosomes #2-ribosomes #3-eukaryotic cells #4-site #5-translation #6-protein synthesis |
| (sub viral particles>viroids) Viroids #1 are composed of a #2 of #3 (#4).As they have #5 they require #6 for #7.they interfere with the process of #8. | #1-viroids #2-single piece #3-circular single stranded RNA #4-naked #5-RNA #6-reverse transcriptase #7-reproduction #8-transcription |
| (sub viral particles>viroids>hepatits D) Hepatits D #1 are responsible for the human diease #2.it is the #3 which cause #4 in the form of #5.the #6 are inclosed in #7.the #8 provides a #9 in which the #10 enter the #11. | #1-viron #2-hepatits D #3-viron #4-liver cell death #5-hepatits #6-virons #7-hepatits B virus #8-B virus capsid #9-binding protein #10-hepatits D viron #11-human liver cell |
| (sub viral particles>prions) Prions #1 do not contain #2 and is thought to be composed of infections #3.the #4 triggers a change in #5 of related #6.they are known to cause dieases which only affect the #7. | #1-prions #2-nucleic acid #3-mishapen proteins #4-protein #5-shape confirmation #6-normal cellular proteins #7-central nervous system. |
| (sub viral particles>prions>scrapie) Scrapie #1 are found naturally on neurones and some white blood cells.they are known as #2 (#3), when the #4 form infect a #5, #6 joins with the #7 form #8 and changes its #9 (#10). | #1-prions #2-PrPc #3-(α-helix) #4-pathogenic #5-normal cell #6-PrPSc #7- non-pathogenic #8-PrPc #9-confirmational shape #10-(introduces β sheets) |
| (sub viral particles>prions>scrapie) Scrapie this will continue until all #11 have been converted into #12 and it affect both sheep and goats.it result in the breakdown of #13 resulting in #14. | #11-PrPc #12-PrPSc #13-brain tissue #14-spongiform encephalopathy |
| (sub viral particles>satellites) Satellites #1 are #2 of #3 which require #4 with a #5 for #6 to occur. | #1-satellites #2-naked pieces #3-nucleic acid #4-co-infected #5-helper virus #6-replication |
| (protozoa>protozoa structure and function) Protozoa structure and function #1 have a #2 form which is called the #3. | #1-protozoan cells #2-vegatative #3-trophozoite |
| (protozoa>protozoa structure>flagella) flagella (flagellum-#1) are used by #2.these protozoa may have one or more flagella which have long #3 from the cell.flagella can move by #4, #5 or #6 like tenticals. | #1-singular #2-flagellates #3-thread like extensions #4-spining #5-whipping #6-moving |
| (protozoa>protozoa structure) 1)#1-used for #2 2)#3-used for #4 3)#5-responible for #6 4)#7-#8, divides by #9 in #10 5)#11-used to ingest nutrients | #1-cilia #2-locomotion #3-contractile vacuole #4-osmoregulation #5-food vacuole |
| (protozoa>protozoa structure) 6)#12-cavity of the pharynx 7)#13-superficial layer of a protozoan 8)#14-bigger #15, control cell activities 9)#16 of #17-division of the #18 | #6-digestion #7-micronucleus #8-small nucleus #9-mitosis #10-binary fission #11-oral groove #12-gullet #13-ectoplasm #14-macro nucleus #15-nucleus #16-canals #17-contrative vacuole #18-contractile cavity |
| (protozoa) Protozoa #1 are #2 (have their #3 in a #4 bound #5) organisms. | #1-protozoa #2-unicellular eukaryoates #3-DNA #4-membrane #5-nucleus |
| (protozoa>reproduction) #1 reproduce asexually by a process known #2.the #3 are separated and are pulled to halve the #4 and then the #5 elongates.the #6 and #7 grow and divied to give two identical #8. | #1-protozoa #2-binary fission #3-chromosomes #4-cell #5-cell #6-cell wall #7-cell membrane #8-cell |
| (protozoa>protozoa structure>vacuoles) vacuoles #1 are present in the #2 of the cell. 1)#3 vacuole 2)#4 vacuole 3)#5 vacuole | #1-vacuole #2-cytoplasm #3-contractile #4-secretory #5-food |
| (protozoa>protozoa structure>nuclei) nuclei some protozoa have one #1 like most other animal cells.however some protozoa have two types of nuclei are formed. micronucleus-the #2.the #3 is #4 and is involved in #5 during#6 and the regeneration of the#7. | #1-nucleus #2-nuclei #3-micronucleus #4-dipole #5-genetic recombination #6-reproduction #7-macronucleus |
| (protozoa>protozoa structure>cilia) cilia cilia are hair like structures used by #1.cilia are #2 and #3 than #4 but with the same overall structure.thay are found in large numbers on the cell and arranged in rows.cilia move the cell by an #5. | #1-ciliates #2-smaller #3-shorter #4-flagella #5-oar like stakes |
| (protozoa>protozoa structure>pseudopodia) pseudopodia pseudopodia are fairly thick temperorary extenisions to the cell produced by #1 of the cell and #2 the #3 and they usually contain both #4 and #5. | #1-pinching #2-extending #3-cell membrane #4-ectoplasm #5-endoplasm |
| (protozoa>protozoa structure>cysts) cysts encystions allow many protozoa to maintain a resting stage called a #1. cysts are a #2 (#3) from of the protozoa and they are distinguished by the presence of a #4 as well as the #5 that can be observed. | #1-cyst #2-dormat #3-inactive #4-cell wall #5-low metabolic activity |
Created by:
johnsmith13111
Popular Biology sets