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What is Cellular Biology?
What is Cellular Biology?
Welcome to the cellular biology page! Check out the meme slideshow at the top, or return back to it after you've loaded up on some cellular biology knowledge. I guarantee it'll at least get a chuckle out of you.
This section of the website will focus on strand B of the Ontario curriculum for SBI3C.
Cell biology is the a branch of biology that looks at the structure and function of a cell (Bisceglia, 2014). We understand that cells are the smallest unit of life. Some organisms exist as one cell, known as unicellular; whereas other organisms exist as multiple cells, or multicellular. For our purposes, we will not be looking at any unicellular organisms. Instead, we will focus on how plants and animals are made up of multiple plant and animal cells!
Yes, that's right. We as humans are multicellular organisms that are made from trillions of animal cells (Zimmer, 2021)! However, the catch is that cells are able to differentiate! What this means is that there are different cell types. For example, you have red blood cells, white blood cells, liver cells, nerve cells, and so much more! The fun part is understanding how cells work and come together to form a living breathing organism.
This section will cover a few basic ideas of cellular biology. There will be a bit of biochemistry where we differentiate between ionic bonds, covalent bonds, polar molecules, and non-polar molecules. Biochemistry is important in understanding the chemical reactions that occur inside a cell. These reactions make up our metabolism. Next, we will talk about the different macromolecules that exist in living organisms and help sustain life. Understanding the role and properties of macromolecules will allow you to understand how a cell is structured and comprised. We will put it altogether and look at how these macromolecules participate in organelle formation and the different organelles within plant and animal cells. Then, we will end this page by talking about how molecules are transported across the cell membrane! I'm sure you would want to how we obtain energy from our food and how that energy or food is absorbed by our cells.
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