Microbe Mission B/C

Test your knowledge of various Science Olympiad events.
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sciduck
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Re: Microbe Mission B/C

Postby sciduck » January 22nd, 2017, 6:02 am

Yeah, same (i guessed).
What does the MMR vaccine protect against?
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Re: Microbe Mission B/C

Postby NeilMehta » January 22nd, 2017, 9:46 am

Yeah, same (i guessed).
What does the MMR vaccine protect against?
exactly what it stands for: measles, mumps, and rubella question: why can't viruses be considered living?
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Re: Microbe Mission B/C

Postby Private Wang Fire » January 22nd, 2017, 11:09 am

Yeah, same (i guessed).
What does the MMR vaccine protect against?
exactly what it stands for: measles, mumps, and rubella question: why can't viruses be considered living?
because they require a host cell to reproduce
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Alex-RCHS
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Re: Microbe Mission B/C

Postby Alex-RCHS » January 28th, 2017, 12:04 pm

It's been a week, I assume it's okay if I post:

A microscope objective has these inscriptions:
PlanApo
60x/1.3
WD=.21
DIN

The ocular has these inscriptions:
12x/14

1. What is the magnification of a microscope that is using this objective and this ocular?
2. What is the field diameter of said microscope?
3. Does this microscope use oil immersion? How do you know?
4. What does WD=.21 mean?
5. What does PlanApo mean?
6. Optional bonus: What is missing on the objective inscription? What does DIN mean?
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Re: Microbe Mission B/C

Postby wingsofdawn » February 8th, 2017, 3:50 am

It's been a week, I assume it's okay if I post:

A microscope objective has these inscriptions:
PlanApo
60x/1.3
WD=.21
DIN

The ocular has these inscriptions:
12x/14

1. What is the magnification of a microscope that is using this objective and this ocular?
2. What is the field diameter of said microscope?
3. Does this microscope use oil immersion? How do you know?
4. What does WD=.21 mean?
5. What does PlanApo mean?
6. Optional bonus: What is missing on the objective inscription? What does DIN mean?
Umm... 1: 720x
2: 5mm
3: No, a microscope using oil immersion will most likely have an OIL label
4: Working Distance
5: Assuming they're the manufacturer of the microscope?
6: DIN is Deutsche Industrie Norm, focal length is missing

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Re: Microbe Mission B/C

Postby Alex-RCHS » February 8th, 2017, 4:45 am

Nice!
a couple notes
1. Great! 2. I made a mistake here. I meant to put 12x/[b]15[/b] on the ocular, instead of 12x/14. Anyway, the field diameter, in mm is the Field of view number divided by the objective mag. The FOV # is always next to the ocular magnification, so the field diameter is14/60 mm. Unfortunately, due to my typo, that's a repeating decimal... :oops: Sorry. 3. The answer is yes. To achieve a numerical aperture >1 would require oil immersion. 4. Correct! 5. PlanApo refers to the correction for aberrations. Plan = complete flat-field correction, Apo(chromatic) = high quality correction for chromatic aberration. 6. Both correct! 6 was hard, good job.
Your turn!
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Re: Microbe Mission B/C

Postby wingsofdawn » February 11th, 2017, 5:10 pm

Nice!
a couple notes
1. Great! 2. I made a mistake here. I meant to put 12x/[b]15[/b] on the ocular, instead of 12x/14. Anyway, the field diameter, in mm is the Field of view number divided by the objective mag. The FOV # is always next to the ocular magnification, so the field diameter is14/60 mm. Unfortunately, due to my typo, that's a repeating decimal... :oops: Sorry. 3. The answer is yes. To achieve a numerical aperture >1 would require oil immersion. 4. Correct! 5. PlanApo refers to the correction for aberrations. Plan = complete flat-field correction, Apo(chromatic) = high quality correction for chromatic aberration. 6. Both correct! 6 was hard, good job.
Your turn!
Ok, I kind of suck at microscopy atm, so I need to study that! Anyways...

1: Name a unique characteristic of an amoeba, paramecium, and (my favorite) a eugelna
2: What type of microbes are they classified as?
3: Are they Eukaryotic or Prokaryotic?
4: How do each affect humans?

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Re: Microbe Mission B/C

Postby mangothecat » February 11th, 2017, 8:32 pm

Nice!
a couple notes
1. Great! 2. I made a mistake here. I meant to put 12x/[b]15[/b] on the ocular, instead of 12x/14. Anyway, the field diameter, in mm is the Field of view number divided by the objective mag. The FOV # is always next to the ocular magnification, so the field diameter is14/60 mm. Unfortunately, due to my typo, that's a repeating decimal... :oops: Sorry. 3. The answer is yes. To achieve a numerical aperture >1 would require oil immersion. 4. Correct! 5. PlanApo refers to the correction for aberrations. Plan = complete flat-field correction, Apo(chromatic) = high quality correction for chromatic aberration. 6. Both correct! 6 was hard, good job.
Your turn!
Ok, I kind of suck at microscopy atm, so I need to study that! Anyways...

1: Name a unique characteristic of an amoeba, paramecium, and (my favorite) a eugelna
2: What type of microbes are they classified as?
3: Are they Eukaryotic or Prokaryotic?
4: How do each affect humans?
answer
1. amoeba: has pseudopodia, paramecium: has a macronucleus and a micronucleus, euglena (they're cute, aren't they?): has chloroplasts and therefore are photosynthetic. 2. protozoans 3. eukaryotic 4. amoeba: certain types causes disease in humans. paramecium: uhh not really sure about this one. I guess they are near the bottom of the food chain and are sources of food for animals that humans eat (ex. fish). euglena: they produce oxygen through photosynthesis, which is essential for humans.
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2016: Churchill, Mira Loma, Mesa/Wilson, Wicklund, Regs, States
Anat&Physio: 2/3/1/1/1/
Disease Detectives: 1/1/2/1/1/
Microbe Mission: 1/4/2/2/2/

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Re: Microbe Mission B/C

Postby wingsofdawn » February 14th, 2017, 10:59 am

Ok, I kind of suck at microscopy atm, so I need to study that! Anyways...

1: Name a unique characteristic of an amoeba, paramecium, and (my favorite) a eugelna
2: What type of microbes are they classified as?
3: Are they Eukaryotic or Prokaryotic?
4: How do each affect humans?
answer
1. amoeba: has pseudopodia, paramecium: has a macronucleus and a micronucleus, euglena (they're cute, aren't they?): has chloroplasts and therefore are photosynthetic. 2. protozoans 3. eukaryotic 4. amoeba: certain types causes disease in humans. paramecium: uhh not really sure about this one. I guess they are near the bottom of the food chain and are sources of food for animals that humans eat (ex. fish). euglena: they produce oxygen through photosynthesis, which is essential for humans.
Correct! One thing about paramecium: Paramecium can spread certain diseases as a vector at times, but can also be used to fight off the fungus Cryptococcus neoformans, which is harmful to humans. Your turn :P

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Re: Microbe Mission B/C

Postby mangothecat » February 14th, 2017, 3:37 pm

1. What disease is caused by the herpes simplex type 3 virus? What is another name for this virus?
2. What disease is caused by the herpes simplex type 4 virus? What is another name for this virus?
“Cats can work out mathematically the exact place to sit that will cause most inconvenience.” ~Pam Brown
2016: Churchill, Mira Loma, Mesa/Wilson, Wicklund, Regs, States
Anat&Physio: 2/3/1/1/1/
Disease Detectives: 1/1/2/1/1/
Microbe Mission: 1/4/2/2/2/

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Re: Microbe Mission B/C

Postby Alex-RCHS » February 14th, 2017, 6:12 pm

1. What disease is caused by the herpes simplex type 3 virus? What is another name for this virus?
2. What disease is caused by the herpes simplex type 4 virus? What is another name for this virus?
answer
1. Chicken Pox (also shingles); the Varicella Zoster virus. 2. Mono(nucleosis); Epstein-Barr virus.
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Re: Microbe Mission B/C

Postby mangothecat » February 14th, 2017, 6:42 pm

1. What disease is caused by the herpes simplex type 3 virus? What is another name for this virus?
2. What disease is caused by the herpes simplex type 4 virus? What is another name for this virus?
answer
1. Chicken Pox (also shingles); the Varicella Zoster virus. 2. Mono(nucleosis); Epstein-Barr virus.
All correct! Your turn.
“Cats can work out mathematically the exact place to sit that will cause most inconvenience.” ~Pam Brown
2016: Churchill, Mira Loma, Mesa/Wilson, Wicklund, Regs, States
Anat&Physio: 2/3/1/1/1/
Disease Detectives: 1/1/2/1/1/
Microbe Mission: 1/4/2/2/2/

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Re: Microbe Mission B/C

Postby Alex-RCHS » February 14th, 2017, 6:53 pm

1. Define Scolex
2. What is the name of the connected chain of proglottids?
3. What is the stage in the proglottid's maturation near the neck of the tapeworm?
4. What is the final stage of the proglottid's maturation?
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Re: Microbe Mission B/C

Postby Alex-RCHS » February 24th, 2017, 9:37 pm

1. Define Scolex
2. What is the name of the connected chain of proglottids?
3. What is the stage in the proglottid's maturation near the neck of the tapeworm?
4. What is the final stage of the proglottid's maturation?
It's been a while without a response, so I'll go ahead and post the answers:
answers
1. The scolex is the head of a tapeworm, where the tapeworm attaches to the host. It contains a sucker and (usually) hooks. 2. Strobila 3. Premature 4. Gravid
Anyone can feel free to post the next question.

Note: edited afterwards to hide the answers.
Last edited by Alex-RCHS on February 25th, 2017, 8:55 pm, edited 2 times in total.
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Re: Microbe Mission B/C

Postby NeilMehta » February 25th, 2017, 8:14 am

Question:
Which fungal disease in the 2017 list is known to cause hallucinations
i can't feel my arms wtf i think i'm turning into a lamp

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