蛋白质:生物的动力

Proteins: Biology's Workforce

Learn how the protein you eat keeps you alive and healthy by powering key functions from metabolism to DNA replication.

951 次查看
莱斯大学
edX
  • 完成时间大约为 5
  • 中级
  • 英语
注:因开课平台的各种因素变化,以上开课日期仅供参考

你将学到什么

How proteins are structured and fold into functional forms

The variety of functions that proteins perform, including enzyme catalysis

How to purify, analyze, and characterize protein structure and function

课程概况

Protein is found in virtually every part of your body. At least 10,000 different proteins make you what you are and keep you that way.

In this biology course you will learn how proteins drive almost all living processes.

Proteins manufactured by cells perform a broad range of essential functions — the molecular workforce of living organisms.

You will learn how proteins are the cellular manifestation of genetic information. They are assembled into a polymeric structure from monomers derived in part from components in our diet. Proteins catalyze metabolic reactions, replicate DNA, respond to stimuli, provide movement, and much more. Using video lectures, articles, case studies, and molecular models, we will explore how proteins are constructed, how they fold into 3-dimensional shapes, the kinds of bonds that hold these folded structures together, and the immense range of roles that proteins assume ‑ from structural proteins found in muscle to catalysts for cellular chemical reactions.

Purification and characterization are essential to understand protein structure and function, and we will identify a variety of methods to uncover how these tiny machines drive almost all living processes.

课程大纲

Lecture 1: Protein Structure
Introduction tocentral concepts important for understanding biological molecules, components of proteins, and discovering how these components determine a protein's active, dynamic form.

Lecture 2: Protein Function
Examination of structure and function of the various classes of proteins, how shape determines function, how binding small molecules is important for function, and the nature of transport proteins that move materials

Lecture 3: Protein Function and Purification
Exploration of the dynamic nature and exquisite specificity of enzymes and the methods that can be used to purify a specific protein.

Lecture 4: Protein Characterization
Understanding methods that determine protein concentration, assess molecular weight, determine structure, and identify contribution to cell function.

预备知识

Secondary (high school) chemistry and biology

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