Biological Concepts and Processes

Melanie King from The Absolute Recap provides a comprehensive review of the AP Biology curriculum, covering all eight units. The video emphasizes a triage study method, focusing on key concepts and terms for the AP exam. Each unit is broken down into essential topics, including chemistry of life, cell structure, cellular energetics, cell communication, heredity, gene expression, natural selection, and ecology. The video also offers study resources and strategies to prioritize learning based on familiarity with the material.

What is the main purpose of using the stoplight method in studying?

• To focus only on new topics

• To skip difficult topics

• To prioritize study topics based on familiarity

• To memorize all topics equally

Which property of water is NOT a result of hydrogen bonding?

• High specific heat

• Adhesion

• Cohesion

• Non-polarity

What is the primary function of carbohydrates in biological systems?

• Long-term energy storage

• Structural support

• Genetic information storage

• Catalyzing reactions

Which organelle is NOT part of the endomembrane system?

• Smooth ER

• Rough ER

• Golgi apparatus

• Ribosome

What type of transport requires ATP to move molecules against their concentration gradient?

• Passive transport

• Facilitated diffusion

• Active transport

• Osmosis

What is the role of enzymes in chemical reactions?

• They change the energy difference between reactants and products

• They increase the activation energy

• They decrease the activation energy

• They are consumed in the reaction

Where does the Calvin cycle occur in the chloroplast?

• Matrix

• Thylakoid membrane

• Stroma

• Cristae

What is the main difference between mitosis and meiosis?

• Mitosis results in identical cells, meiosis in unique gametes

• Mitosis has two divisions, meiosis has one

• Mitosis occurs in gametes, meiosis in somatic cells

• Mitosis involves crossing over, meiosis does not

Which of the following is NOT a factor that can lead to evolution?

• Natural selection

• Mutation

• Gene flow

• Large population size

What is a keystone species?

• A species with no predators

• A species that has a large impact on its ecosystem

• A species that is the most abundant

• A species that is invasive