Biology

Freshman / 9th grade

Here are the best resources to pass Biology. Find Biology study guides, notes, assignments, and much more.

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Summary

Enzymes Study Guide
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2

March 2026

2025/2026
This document is a clear and organized Enzymes Study Guide for High School Biology students. It explains how enzymes function as biological catalysts, including important concepts such as the active site, enzyme–substrate interaction, and the lock-and-key model. The guide also covers factors that affect enzyme activity, including temperature, pH, and substrate concentration, along with key vocabulary, summaries, and practice questions. This resource is designed to help students review and prep...
StudySessions1011
$5.98 More Info

Summary

Cellular Respiration Study Guide
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5

March 2026

2025/2026
This document is a clear and organized Cellular Respiration Study Guide for High School Biology students. It explains the main stages of cellular respiration, including glycolysis, the Krebs cycle, and the electron transport chain, and how cells produce energy in the form of ATP. The guide also covers important concepts, key vocabulary, and a summary of how glucose and oxygen are used to produce energy for cells. This resource is designed to help students review for quizzes, tests, and biology e...
StudySessions1011
$5.98 More Info

Summary

Cell Structure Study Guide
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6

March 2026

2025/2026
This document is a clear and organized Cell Structure Study Guide for High School Biology students. It explains the main parts of a cell and the functions of important organelles such as the nucleus, mitochondria, ribosomes, Golgi apparatus, and cell membrane. The guide also covers the differences between plant cells and animal cells, along with key vocabulary terms and a quick summary of the most important concepts. This resource is designed to help students review for quizzes, tests, and biolo...
StudySessions1011
$5.99 More Info

Class notes

CCR Biology — Combined Notes
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4

March 2026

2025/2026
My notes on DNA, RNA, and Mutations. I used AI for formatting only, not content.
elliottbenson
$3.99 More Info

Summary

Cell membrane
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1

March 2026

2025/2026
This document provides detailed, easy-to-understand notes on the cell membrane, ideal for high school, college, and university students. It covers all essential aspects of cell membrane biology, including structure, composition, and function, with clear explanations and examples.
nazrajpoot05
$4.49 More Info

Class notes

Biology Study Guide
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9

February 2026

2025/2026
This Biology guide covers in depth Macro-Molecule topic, along with DNA, diffusion, osmosis, and more!
morriscohen13
$10.99 More Info

Class notes

Chapter 13: DNA — Structure, Function, and Replication (Biology Notes)
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3

February 2026

2022/2023
These are clear, organized biology notes for Chapter 13 on DNA. They cover the key experiments that showed DNA is the genetic material (Griffith’s transformation with S and R bacterial strains and the bacteriophage labeling experiment with P-32 and S-35), plus the main functions of DNA (store, copy, transmit genetic information). The notes explain DNA structure in detail, including nucleotide parts (deoxyribose sugar, phosphate, nitrogen bases A/T/C/G), how nucleotides join to form the sugar-p...
eharnhere
$3.98 More Info

Class notes

Bio-molecules & Enzymes Cheatsheet
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2

January 2026

2025/2026
These high school biology notes provide a clear and organized overview of the four major biomolecules—carbohydrates, lipids, proteins, and nucleic acids—along with a focused explanation of enzymes and their role in chemical reactions. The notes break down complex concepts into easy-to-understand explanations, highlight key vocabulary, and explain how structure relates to function. Ideal for studying, test review, and exam preparation, this document helps students build a strong foundation in...
siyapatel4
$8.49 More Info

Class notes

Cell Organelles Cheatsheet
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8

January 2026

2025/2026
Concise, high-yield notes on cell organelles, covering their functions, importance, and interactions within the cell. Ideal for quick review, homework help, and exam prep, these notes are designed to save time while boosting understanding.
siyapatel4
$5.99 More Info