ap bio
🧪 Unit 1: Chemistry of Life
🧬 Unit 2: Cell Structure and Function
🔋 Unit 3: Cellular Energetics
🦠 Unit 4: Cell Communication and Cell Cycle
👪 Unit 5: Heredity
👻 Unit 6: Gene Expression and Regulation
🦍 Unit 7: Natural Selection
🌲 Unit 8: Ecology
👏 General Review
✍️ Free Response Questions (FRQ)
🧐 Multiple Choice Questions (MCQ)
Biology Multiple Choice Questions
- Overview of the Multiple Choice Section
- Tips for the Multiple Choice Section
- 1. Be Neat
- 2. Pace Yourself
- 3. Answer Every Question
- 4. Use Multiple Choice Strategies
- 5. Read Carefully and Pay Attention
- 6. Read the Questions First
- 7. Know What the Multiple Choice Questions Look Like
- Sample Questions and Explanations
- Questions:
- Answers and Explanations:
2.0 Unit 2 Overview: Cell Structure and Function
#cellfunction
#cellstructure
⏱️ 1 min read
written by
tejas bhartiya
October 21, 2020
⚡ Watch: AP Biology - Review of Unit 2
What is this unit about?
Cell Structure: Subcellular Components and Function
Cell Size
Plasma Membranes and Membrane Permeability
Membrane Transport
Facilitated Diffusion
Tonicity and Osmoregulation
Mechanisms of Transport
Origins of/and Cell Compartmentalization
There are 2 types of cells, eukaryotic and prokaryotic. Eukaryotic cells, mostly plant and animal cells, have most of their DNA in the nucleus, which is a double membrane organelle. Prokaryotic cells, primarily bacteria, have their DNA concentrated in an area called the nucleoid but have no nucleus or other membrane-bound organelles. All cells have some basic features. Inside all cells is a fluid called cytosol in which all organelles float. All cells contain DNA, while eukaryotic cells organize their DNA in tightly wrapped structures called chromosomes. The boundary of a cell between itself and the outside environment is the plasma membrane, a selectively permeable barrier that is made of a phospholipid bilayer.
Transport across the plasma membrane is a huge part of this unit. There are multiple types of transport, all of which will be described. They are each used by different molecules and may or may not require energy.
continue learning
92% of Fiveable students earned a 3 or higher on their 2020 AP Exams.
*ap® and advanced placement® are registered trademarks of the college board, which was not involved in the production of, and does not endorse, this product.
© fiveable 2020 | all rights reserved.