100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
Summary University of Waterloo: BIOL130 Unit 0 Notes (Typed) CA$4.41
Add to cart
Quickly navigate to
Preview
  2.  
  3. University Of Waterloo (UW )
  4.  
  5. Biology
  6.  
  7. BIOL130 (BIOL130)

Summary

Summary University of Waterloo: BIOL130 Unit 0 Notes (Typed)
 1 view  0 purchase

BIOL130 is an introductory course at the University of Waterloo for all biology-related courses. This course is an introduction to cell biology. Unit 0 talks about the beginning of cells, properties, classes of cells, comparing plant and animal cells, and the transportation in and out of the cell. ...

[Show more]

Preview 2 out of 9  pages

Document information

  • January 16, 2024
  • 9
  • 2023/2024
  • Summary

Subjects

Written for

All documents for this subject (10)

Seller

avatar-seller
SylvieStudies

Content preview

Unit 0
Microscope
● Inventor → Hans Lippershey, Hans & Zacharias Janssen

Cells
● First person to name cells → Robert Hooke
○ Viewed slices of tree bark

Magnifier Lens Maker
● Antonie Van Leeuwenhoek (Father of microbiology)
● Worked with glass → Improved quality of lenses
● First to observe;
○ Single cell protists
○ Bacteria from the mouth
○ Blood cells
○ Muscle cells (banded pattern)
○ Giardia, sperm

Compound Microscope
● Visualization of objects less than 1um
● Some organelles and cells are in the same size scale
○ Bacteria

Robert Brown (Botanist)
● Found “kernel” (later known as the nucleus) in plant cells

Matthias Schleiden (Botanis)
● All plant tissues have cells

Theodor Schwann (Zoologist)
● Similar observations in animal cells
○ Noticed the plant and animal cells have many similarities
● Created the “Cell Theory”

Cell Theory
● All organisms consist of one more more cells
● The cell is the basic unit of structure for all organisms
● All cells have to come from preexisting cells (added 20 years later)

, Fact (scientific):
● An attempt to state our best current understanding
○ Based on observations and experiments
● Then revised or replaced when there were better observations

Scientific Method
● Make observations
● Develop the hypothesis
● Make predictions based on the hypothesis (if, then, so)
● Interpret the result to see if it matches the hypothesis

Theory
● A hypothesis that has been tested critically
○ Under different conditions
○ By many investigators using different approaches
● Must be widely accepted to be called a theory
● “Solid ground” of science
○ Evolution theory, germ theory, cell theory

More than a theory (Law)
● If is tested and confirmed over many years by many investigators and there is not doubt
in its validity
● Gravity
● Laws of thermodynamics
● Laws that govern the behaviour of gasses
● Biologists don’t use the term law

‘Strands’ of Cell Biology
● Cytology → what they look like

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller SylvieStudies. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$4.41. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

56326 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
CA$4.41
  • (0)
Add to cart
Added