ATP & Respiration: Crash Course Biology #7

Oh, hello there. I’m at the gym. I don’t know why you’re here, but I’m going to do some pushups, so you can join me on the floor if you want. Now, I’m not doing this to show off or anything. I’m actually doing this for science. [pained grunt] You see what happened there? My […]

Organic Chemistry 51C. Lecture 17. More Structure, Stereochemistry, & Reactions of Carbohydrates.

>>Good morning.>>Good morning.>>So, today I’d like to continue our discussion of the structure and stereochemistry of sugars. We’re going to then talk about reactions of sugars. And we’re going to come back at the end to look, everything works out, how Emil Fischer originally determined the structure and stereochemistry of sugars in what really was […]

Organic Chemistry 51C. Lecture 17. More Structure, Stereochemistry, & Reactions of Carbohydrates.

>>Good morning.>>Good morning.>>So, today I’d like to continue our discussion of the structure and stereochemistry of sugars. We’re going to then talk about reactions of sugars. And we’re going to come back at the end to look, everything works out, how Emil Fischer originally determined the structure and stereochemistry of sugars in what really was […]

Macromolecules: Lipids, Carbohydrates, Nucleic Acid, Excerpt 1 | MIT 7.01SC Fundamentals of Biology

HAZEL SIVE: Another truism of biochemistry is that many of the molecules within cells are very large. And they’re called macromolecules, to indicate this. So macromolecules. So these are often — Biological molecules are often macromolecules. And these macromolecules are often polymers– not always– where a polymer is some kind of repeat of a monomer […]

Organic Chemistry 51C. Lecture 17. More Structure, Stereochemistry, & Reactions of Carbohydrates.

>>Good morning.>>Good morning.>>So, today I’d like to continue our discussion of the structure and stereochemistry of sugars. We’re going to then talk about reactions of sugars. And we’re going to come back at the end to look, everything works out, how Emil Fischer originally determined the structure and stereochemistry of sugars in what really was […]

Ahern’s BB 350 at OSU – 2. Water, Weak Acids, and pH

>>How’s everybody doing? Tuesday. Monday, Tuesday, Wednesday, and then Friday. Friday really seems like Friday, but Wednesday also seems like Friday. So it’ll be kind of a weird thing for us, huh? I tried to get the class changed. This has been taught as Monday, Tuesday, Wednesday, Friday for many years. And this year, I […]

Dehydration Synthesis And Hydrolysis – What Is Anabolism – What Is Catabolism

Hydrolysis and dehydration synthesis. Metabolism or body chemistry is often used to generally describe all of the chemical reactions that occur in body cells. The two major types of metabolic activity that occur in the body are catabolism and anabolism. Catabolism is the breaking down of complex molecules to form simpler ones and often times […]

Organic Chemistry 51C. Lecture 09. Reactions of Carboxylic Acids, Esters, Amides, & Nitriles.

>>Today we’re really in the heart of the chemistry of the carboxylic acid family. Last time after talking in sort of generalities about their chemistry, we introduced the most reactive members of the carboxylic acid family, we introduced acid and hydrides, and we introduced acid chlorides, and we talked about their chemistry. Today we’re going […]

Biological Molecules

Hi. It’s Mr. Andersen and welcome to Biology Essentials video 42. This is on biological molecules or sometimes we call those macromolecules. This right here is a picture of DNA that’s been extracted. We do this every year in AP bio. We take DNA out of a banana so you can hold it and wrap […]

Amino Acids and Levels of Protein Structure

>>Hello and welcome to the Penguin Prof Channel. In today’s episode we’re going to be talking about amino acids, and levels of protein structure. This is a fibro in protein, and we’re going to talk about how the structure, and the chemistry of this protein is what accounts for the amazing properties of silk. These […]