Assemblies of Molecules, Cells, and Groups of Cells

Assemblies of Molecules, Cells, and Groups of Cells

by Kevin Ahern, PhD, Georgina Cornwall, PhD

This course covers the material of content category 2A of the official MCAT exam content outline.

From the smallest to the largest order, biological systems organize themselves into collections of molecules that together make up the structures that form cells. These cells continue to organize themselves into tissues and later organs, making up entire multicellular and multisystemic organisms. These arrangements of nigh unfathomable complexity represent a continuous challenge to those dedicated to the study of molecular and cellular biology.

In this course, the student will be given an overview of the assemblies of different molecules, cells, and tissues. For optimal comprehension, the student should be familiar with the basic concepts of college-grade biology and chemistry.

Course Details

  • Videos 39
  • Duration 2:47 h
  • Quiz questions 92
  • Concept Pages 7


Your Educators of course Assemblies of Molecules, Cells, and Groups of Cells

 Kevin Ahern, PhD

Kevin Ahern, PhD

Dr. Kevin Ahern is a Professor in the Department of Biochemistry and Biophysics at Oregon State University (OSU), USA.
He obtained his PhD in Biochemistry from Oregon State University. Currently, he teaches courses for health sciences students at OSU.
He is co-author of three Open Educational electronic textbooks on Biochemistry and a Guide to Getting Into Medical School.
Due to his achievements, he earned OSU’s highest teaching recognition, the Elizabeth P. Ritchie Distinguished Professor Award in 2017.
Within Lecturio, Dr. Ahern teaches courses on Biochemistry and on "How to Get into Medical School”.

 Georgina Cornwall, PhD

Georgina Cornwall, PhD

Dr. Georgina Cornwall is a Biology Instructor and currently works as an Instructional Designer in the private sector, developing interactive online training materials.
She obtained her PhD in Environmental, Population, and Organismic Biology at the University of Colorado, USA, in 2000, and has since taught a broad array of biology courses at various US universities.
She is an active promoter of hybrid/online teaching formats and interactive courses, and has received several awards for her engaging and innovative course design; e.g., she was named Adjunct Faculty of the Year at Colorado Mountain College in Aspen twice.
Within Lecturio, Dr. Cornwall teaches courses on Biology & Genetics.

User reviews

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Very useful
By Danae J. on 11. April 2023 for Nucleus and Ribosomes

Great material easy to learn good pictures …..thank you so much

not organized
By Chen A. on 28. February 2023 for Active Transport – Transport Across Cell Membranes

very confused and not organized I feel like its too messy and i can't catch the points

Questions not aligned with talk.
By Arnold C. on 09. December 2022 for Cellular Structure

I am enjoying the lectures. I have two, very minor issues. 1. They are a bit too "granular". Some are so short as to prevent you from digesting the material as it is presented. 2. On several occasions, the questions were not covered in that segment but rather in the next!

Very useful, clear explanation, excellent method. Thank you!
By Mirela P. on 24. July 2022 for Recap – Second Messenger Systems

Thank you, Dt. Cornwall, for this chapter!!! It was very useful and finally, with the help of your tips, mnemonic and your awesome teaching style, I could understand the process!