Lesson 2: Photosynthesis Topic Explanation-1 | 10th Grade Biology New Curriculum 2026 | Dr. Biology
Photosynthesis Lesson - Part 1 | 10th Grade Biology New Curriculum 2026 | Dr. Biology
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We are introducing one of the most fundamental units of our 10th Grade Biology course: Photosynthesis. Within the scope of the New Curriculum (2025-2026), we examine photoautotrophic organisms, the anatomy of chloroplasts, light absorption, and the electron sources used in photosynthesis (H2O, H2S) with the professionalism of a medical doctor.
📌 10th Grade Course Resources and Our Book:
You can access our 10th Grade Biology book, prepared by our teacher Tuncay Tursun and edited by me, which is 100% compliant with the new curriculum, here:
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📝 Detailed Content Map of the Video:
00:00 Introduction: 10th Grade Biology Photosynthesis Series Begins
00:51 Feeding Methods: The Difference Between Autotrophic, Heterotrophic and Mixotrophic (Euglena) [01:01]
01:21 Comparison of Photoautotrophic and Chemoautotrophic Organisms [01:39]
02:10 Photoheterotrophic and Chemoheterotrophic Concepts: Archaea and Us
02:52 Photosynthesis Equation: Why Some Do Living Things Not Release Oxygen? [03:23]
03:45 What is Pegal? The 3-Carbon Basic Building Block of Food Synthesis [03:48]
04:18 Organisms That Do Photosynthesis: Plants, Algae, and Cyanobacteria
05:58 The Nature of Light and the Visible Region (380-760 nm) [06:17]
07:07 Why Do Green Leaves Look Green? Light Absorption and Reflection [07:18]
08:28 Chlorophyll and Auxiliary Pigments (Carotenoids) [08:51]
09:22 Structure of the Chloroplast: Analysis of Grana, Thylakoid Membrane and Stroma [10:20]
11:09 Blackboard Summary: Comparative Table of Photosynthetic Organisms [11:51]
13:38 Photosynthesis Location in Prokaryotes and Eukaryotes
14:26 Closing and Announcement of the Next Lesson (Reactions)
💡 Biology Notes with Dr. Biology:
In this video; why fully parasitic plants cannot photosynthesize, why chlorophyll does not like green light (reflection effect), why bacteria that use H2S release sulfur, and the logic of nutrient synthesis through "Pegal", the most critical molecule of 10th grade, are detailed. Lay the foundation of photosynthesis for your TYT and AYT Biology exams with Dr. Biology's expertise.
10th Grade Biology, Photosynthesis Lesson, Dr. Biology, New Curriculum Biology 2026, Structure of Chloroplasts, Chlorophyll and Light, What is Pegal?, Photoautotrophic Organisms, Mixotrophic Nutrition, TYT Biology Photosynthesis, AYT Biology Photosynthesis, Barış Hoca Biology, Biology Explained by a Medical Doctor, Maarif Model Biology, High School 2nd Year Biology Current Topics, 10th Grade Biology Lesson 2
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