Photosynthesis and Cellular Respiration Overview

Questions and Answers

In what cell organelles does photosynthesis occur?

chloroplast

What are three reactants needed for photosynthesis?

CO2, H2O, sunlight

What are two products of photosynthesis?

O2 and glucose

In what cell organelle does cellular respiration occur?

mitochondria Signup and view all the answers

What are two reactants needed for cellular respiration?

glucose and O2 Signup and view all the answers

What are three products of cellular respiration?

ATP, CO2, and H2O Signup and view all the answers

What four substances are recycled during photosynthesis and respiration?

CO2, H2O, glucose, and O2 Signup and view all the answers

What is one component in photosynthesis that is not recycled and must be constantly available?

sunlight/energy Signup and view all the answers

Are chloroplasts found in most plant cells? Explain.

Yes, they are found in cells that are most exposed to sunlight, like leaf cells, because those photosynthesize the most. Signup and view all the answers

Are mitochondria found in most plant cells?

True Signup and view all the answers

Are chloroplasts found in animal cells?

False Signup and view all the answers

Are mitochondria found in animal cells?

True Signup and view all the answers

Write a grammatically correct sentence that compares the reactants and products of photosynthesis with the reactants and products of respiration.

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Study Notes

Photosynthesis Overview

Photosynthesis occurs in chloroplasts, specifically in plant cells.
Required reactants for photosynthesis: carbon dioxide (CO2), water (H2O), and sunlight.
Main products of photosynthesis include oxygen (O2) and glucose.

Cellular Respiration Overview

Cellular respiration takes place in mitochondria, found in both plant and animal cells.
Key reactants needed for cellular respiration: glucose and oxygen (O2).
Primary products of cellular respiration are ATP, carbon dioxide (CO2), and water (H2O).

Recirculation of Substances

Four essential substances recycled during photosynthesis and respiration: carbon dioxide (CO2), water (H2O), glucose, and oxygen (O2).
Sunlight is a critical component for photosynthesis that is not recycled; it must be continuously available.

Chloroplasts vs Mitochondria

Chloroplasts are predominantly present in leaf cells, which receive maximum sunlight and perform photosynthesis.
Mitochondria are found in both plant and animal cells as both organisms need to convert sugars into ATP.

Animal and Plant Cell Differences

Chloroplasts are absent in animal cells since they do not perform photosynthesis.
Mitochondria are present in animal cells, essential for metabolizing food and generating ATP.

Description

This quiz covers the fundamental processes of photosynthesis and cellular respiration. Learn about the reactants and products involved in these essential biological functions that sustain life. Understand the roles of chloroplasts and mitochondria in these processes, as well as the recycling of vital substances.