Table of contents

1. Introduction to Biology2h 42m
2. Chemistry3h 37m
3. Water1h 26m
4. Biomolecules2h 23m
5. Cell Components2h 26m
6. The Membrane2h 31m
7. Energy and Metabolism2h 0m
8. Respiration2h 40m
9. Photosynthesis2h 49m
10. Cell Signaling59m
11. Cell Division2h 47m
12. Meiosis2h 0m
13. Mendelian Genetics4h 44m
14. DNA Synthesis2h 27m
15. Gene Expression3h 6m
16. Regulation of Expression3h 31m
17. Viruses37m
- Viruses
  37m
18. Biotechnology2h 58m
19. Genomics17m
- Genomes
  17m
20. Development1h 5m
21. Evolution3h 1m
22. Evolution of Populations3h 53m
23. Speciation1h 37m
24. History of Life on Earth2h 6m
25. Phylogeny2h 31m
26. Prokaryotes4h 59m
27. Protists1h 12m
28. Plants1h 22m
29. Fungi36m
- Fungi
  19m
- Fungi Reproduction
  17m
30. Overview of Animals34m
- Overview of Animals
  34m
31. Invertebrates1h 2m
32. Vertebrates50m
33. Plant Anatomy1h 3m
34. Vascular Plant Transport1h 2m
- Water Potential
  1h 2m
35. Soil37m
- Soil and Nutrients
  20m
- Nitrogen Fixation
  16m
36. Plant Reproduction47m
- Flowers
  33m
- Seeds
  14m
37. Plant Sensation and Response1h 9m
38. Animal Form and Function1h 19m
39. Digestive System1h 10m
- Digestion
  1h 3m
- Blood Sugar Homeostasis
  7m
40. Circulatory System1h 49m
41. Immune System1h 12m
42. Osmoregulation and Excretion50m
- Osmoregulation and Excretion
  50m
43. Endocrine System1h 4m
- Endocrine System
  1h 4m
44. Animal Reproduction1h 2m
- Animal Reproduction
  1h 2m
45. Nervous System1h 55m
- Neurons and Action Potentials
  1h 8m
- Central and Peripheral Nervous System
  46m
46. Sensory Systems46m
- Sensory System
  46m
47. Muscle Systems23m
- Musculoskeletal System
  23m
48. Ecology3h 11m
49. Animal Behavior28m
- Animal Behavior
  28m
50. Population Ecology3h 41m
51. Community Ecology2h 46m
52. Ecosystems2h 36m
53. Conservation Biology24m
- Conservation Biology
  24m

9. Photosynthesis

Introduction to Photosynthesis

General Biology

9. Photosynthesis

Introduction to Photosynthesis

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0:33 minutes

Problem 10

Textbook Question

Select the true statement regarding metabolism in plant and animal cells.
a. Plant and animal cells both perform photosynthesis and aerobic respiration.
b. Animal cells perform aerobic respiration only, and plant cells perform photosynthesis only.
c. Plant cells perform aerobic respiration only, and animal cells perform photosynthesis only.
d. Plant cells perform cellular respiration and photosynthesis, and animal cells perform aerobic respiration only.

Verified step by step guidance

Understand the concept of metabolism: Metabolism refers to all chemical reactions that occur within a cell to maintain life. It includes processes like photosynthesis and cellular respiration.

Clarify the role of photosynthesis: Photosynthesis is a process performed by plant cells (and some other organisms like algae) to convert light energy into chemical energy stored in glucose. Animal cells do not perform photosynthesis because they lack chloroplasts.

Clarify the role of aerobic respiration: Aerobic respiration is a process performed by both plant and animal cells to break down glucose in the presence of oxygen, producing ATP (energy) for cellular activities.

Compare the metabolic processes in plant and animal cells: Plant cells perform both photosynthesis (to produce glucose) and aerobic respiration (to utilize glucose for energy). Animal cells perform aerobic respiration only, as they rely on consuming organic molecules for energy rather than producing them through photosynthesis.

Select the correct statement: Based on the above clarifications, the true statement is 'd. Plant cells perform cellular respiration and photosynthesis, and animal cells perform aerobic respiration only.'

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Photosynthesis

Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy into chemical energy, specifically glucose, using carbon dioxide and water. This process occurs in chloroplasts and involves two main stages: the light-dependent reactions and the Calvin cycle. It is essential for producing oxygen and organic compounds that serve as energy sources for other organisms.

Cellular Respiration

Cellular respiration is a metabolic process that converts biochemical energy from nutrients into adenosine triphosphate (ATP), and releases waste products. This process occurs in both plant and animal cells and can be aerobic (requiring oxygen) or anaerobic (not requiring oxygen). Aerobic respiration is more efficient, producing more ATP compared to anaerobic pathways.

Metabolism in Plant and Animal Cells

Metabolism encompasses all chemical reactions that occur within living organisms to maintain life, including both anabolism (building up) and catabolism (breaking down). In plants, metabolism includes photosynthesis and cellular respiration, while animal cells primarily rely on cellular respiration for energy. Understanding the differences in metabolic pathways between these cell types is crucial for answering questions about their energy production.

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