Biology and Chemistry Exam Prep

From the study guide

Exam Revision Sheet: Biology & Chemistry Fundamentals

1. 📌 Essentials

  • Water’s polarity leads to cohesion,, high specific heat, and floating ice.
  • Organic molecules: carbohydrates, lipids, proteins nucleic acids.
  • Cell theory: all living organisms are made of cells; cells arise from pre-existing cells.
  • Enzymes are biological catalysts that lower activation energy.
  • Macromolecules are built from monomers via dehydration synthesis.
  • Eukaryotic cells contain membrane-bound organelles; prokaryotic cells do not.
  • Water is a universal solvent; critical for biochemical reactions.
  • Chemical bonds: ionic (transfer), covalent (sharing), hydrogen bonds (polar attraction).
  • Cell membrane: phospholipid bilayer, selectively permeable.
  • Metabolism includes catabolic (breakdown) and anabolic (build-up) pathways.

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Practice quiz preview

1. Which property of water is primarily responsible for its ability to support transport of nutrients in plants and animals?

2. Which organic molecule is primarily responsible for storing genetic information in cells?

3. What type of chemical bond is primarily responsible for the formation of salts like sodium chloride?

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Flashcard preview

Water — polarity?

Uneven electron distribution in molecules

Enzymes — role?

Speed up chemical reactions by lowering activation energy

Cell theory — principle?

All living things are made of cells

Water — polarity?

Polar, forms hydrogen bonds.

Macromolecules — examples?

Carbohydrates, lipids, proteins, nucleic acids.

Cell theory — key idea?

All living things made of cells.

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Frequently asked questions

What does the Biology and Chemistry Exam Prep study guide cover?

It covers the core concepts of Biology and Chemistry Exam Prep, organized by topic with the key definitions, explanations and takeaways, so it's easier to learn and remember.

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How many questions are in the Biology and Chemistry Exam Prep quiz?

The practice quiz has 10 multiple-choice questions, each with an explanation. Use it to check what you know and find your gaps.

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How do I study Biology and Chemistry Exam Prep with flashcards?

There are 10 flashcards on Biology and Chemistry Exam Prep, with a question on the front and the answer on the back. Try to recall each answer before you flip, and let spaced repetition bring back the ones you miss.

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