Define photosynthesis.

Photosynthesis is the process by which light energy is captured and used to drive the synthesis of ATP and large organic molecules from inorganic molecules.

What are the raw materials of photosynthesis, and how do they relate to aerobic respiration?

The raw materials of photosynthesis are carbon dioxide and water, which are the products of aerobic respiration.

What are the products of photosynthesis, and how do they relate to aerobic respiration?

The products of photosynthesis are glucose and oxygen, which are the raw materials of aerobic respiration.

How is ATP produced in photosynthesis linked to cellular metabolism?

ATP produced in photosynthesis is used in the light-independent stage to make sugars, and respiring those sugars produces the ATP that drives other metabolic processes in cells.

What structure surrounds the chloroplast?

The chloroplast is surrounded by a double membrane (an outer and an inner membrane) called the envelope.

What are lamellae in a chloroplast?

Lamellae are the internal membrane system of the chloroplast that connect grana.

OCR A-Level Biology H420

Cell Structure

Topic overview Microscopy, slide preparation and staining Biological drawings, magnification and resolution Eukaryotic cell ultrastructure The secretory pathway and the cytoskeleton Prokaryotic and eukaryotic cells compared

Biological Molecules

Topic overview The properties of water Monomers, polymers and the elements of life Monosaccharides and disaccharides Polysaccharides and their functions Lipids Amino acids and protein structure Globular and fibrous proteins Inorganic ions The biochemical tests Colorimetry and chromatography

Nucleotides and Nucleic Acids

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Enzymes

Topic overview Enzyme action: lock and key and induced fit Factors affecting enzyme activity Cofactors, coenzymes and enzyme inhibition

Biological Membranes

Topic overview Membrane structure and the fluid mosaic model Factors affecting membrane permeability Diffusion, active transport, endocytosis and exocytosis Osmosis and water potential

Cell Division, Cell Diversity and Cellular Organisation

Topic overview The cell cycle Mitosis and observing it in root tips Meiosis Specialised cells Tissues, organs and organ systems Stem cells and differentiation

Exchange Surfaces

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Transport in Animals

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Transport in Plants

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Communicable Diseases, Disease Prevention and the Immune System

Topic overview Pathogens and how disease is transmitted Plant defences and non-specific animal defences Phagocytes and phagocytosis The specific immune response Antibodies Types of immunity Vaccination Medicines and antibiotic resistance

Biodiversity

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Communication and Homeostasis

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Excretion as an Example of Homeostatic Control

Topic overview Excretion and nitrogenous waste The liver: structure and function The structure of the kidney The nephron Ultrafiltration Selective reabsorption and the loop of Henle Osmoregulation and ADH Kidney failure, dialysis and transplant Urine testing and monoclonal antibodies

Neuronal Communication

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Hormonal Communication

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Plant and Animal Responses

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Photosynthesis

Topic overview Photosynthesis and chloroplast structure Photosynthetic pigments and chromatography The light-dependent stage The Calvin cycle Limiting factors

Respiration

Topic overview Respiration, ATP and the mitochondrion Glycolysis The link reaction and the Krebs cycle Oxidative phosphorylation and chemiosmosis Anaerobic respiration Respiratory substrates and the respiratory quotient

Cellular Control

Topic overview Gene mutations and their effects The lac operon Transcription factors and post-transcriptional control Homeobox and Hox genes Mitosis and apoptosis Oncogenes, tumour suppressor genes and cancer

Patterns of Inheritance

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Manipulating Genomes

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Cloning and Biotechnology

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Ecosystems

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Populations and Sustainability

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Practical Skills and Mathematical Requirements

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Photosynthesis

Photosynthesis and chloroplast structure

1 thing to know
Components 01 and 03

Overview

The raw materials and products and how they mirror respiration, and the envelope, grana, thylakoids and stroma with the stage that happens in each.

What you need to know

Answer each one before you reveal it.

Your recallNot started

Key term

Define a thylakoid.

Questions from this subtopic

Each one with the model answer underneath.

1
Define photosynthesis.
Model answer
Photosynthesis is the process by which light energy is captured and used to drive the synthesis of ATP and large organic molecules from inorganic molecules.
2
What are the raw materials of photosynthesis, and how do they relate to aerobic respiration?
Model answer
The raw materials of photosynthesis are carbon dioxide and water, which are the products of aerobic respiration.
3
What are the products of photosynthesis, and how do they relate to aerobic respiration?
Model answer
The products of photosynthesis are glucose and oxygen, which are the raw materials of aerobic respiration.
4
How is ATP produced in photosynthesis linked to cellular metabolism?
Model answer
ATP produced in photosynthesis is used in the light-independent stage to make sugars, and respiring those sugars produces the ATP that drives other metabolic processes in cells.
5
What structure surrounds the chloroplast?
Model answer
The chloroplast is surrounded by a double membrane (an outer and an inner membrane) called the envelope.
6
What are lamellae in a chloroplast?
Model answer
Lamellae are the internal membrane system of the chloroplast that connect grana.

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Centrioles consist of .

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AA phospholipid contains one glycerol molecule.

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