Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

Micro Lab 1-3

Learning Objectives 1-3

QuestionAnswer
What is a microorganism? An organism only visible with a microscope
Difference between 3 domains of life? Eukarya have a distinct membrane bound nucleus; Archaea and Bacteria do NOT have a nucleus.
What is the purpose of microscope? To view microorganisms
What are the different parts of the microscope? Objective Lens (10X, 40X, 100X)- above the specimen Ocular Lens- where you view the specimen High power objective - fine adjustment knob Low power objective - course adjustment knob 100X must use immersion oil
How to calculate total magnification? Objective magnification x ocular magnification
Difference between magnification and resolving power? Resolving power is being able to distinguish between two objects as separate entities; Magnification is combination of magnification of ocular and objective lens
Different types of microscopes Dark field- unstained orgs Phase Contrast-internal structures Fluorescence- medical diagnosis Electron Microscope- TEM + SEM
Correct transportation of microscope Hold arm with one hand and base with the other hand
What is Endosymbiotic Theory? Helps explain why prokaryotic characteristics are found in eukaryotic cells
Why are fungi important for decomposition and nutrient cycle? They break down dead and decaying orgs. which is essential to earth's nutrients cycle. They put the nutrients they decompose back into the environment
What is the symbiotic relationship between fungi and plants Fungi provide mineralized nutrients to plants in exchange for continous supply of carbs and other compound
What are structures found in fungi and explain their function? Hyphae used for nutrient absorption Collective mass of hypae are mycelium; seen on foods
Difference in reproduction in mold and yeasts Molds (multicellular) reproduce asexually through spores Yeast (unicellular) reproduce asexually through budding
Discuss dimorphism Means that some fungi have two different growth forms Mold grows at room temp. Yeast grow at human body temp.
Properties of Sabouraud's Dextrose Agar Has high sugar concentration and slightly acidic which makes it unsuitable for bacteria to grow. (used to fungi)
What is lactophenol cotton blue stain? It is used to view fungal specimens because it kills and preserves the organism.
What are the pros and cons of algae? Pro: they produce majority of the world's oxygen (primary producer) Cons: produce toxins that cause problems for humans
Differentiate between groups of parasitic worms? Flatworms: platyhelminthes Roundworms:Nematoda Tapeworms: Cestodes (beef lamb, pork) (most common)
What is the infective stage of malaria? Sporozoites- formed by sexual reproduction within the mosquitos.
Created by: Fatou18
Popular Biology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards