Science Games and Puzzles Crossword Puzzles Name: Date: Cells Crossword Puzzle (cont.) Directions: Complete the crossword puzzle on the previous page using the clues and word bank below. Across Word Bank 1. jellylike substance within the cell 5. one of many tiny structures in the cytoplasm; each does a specific job for the cell 7. traps light and is used to produce food for plants 9. spherical body within the nucleus 10. “powerhouse” of cell 12. holds nucleus together (2 words) 15. controls entry into and out of cell (2 words) 16. stores food or contains pigment 17. hollow cylinder that supports and shapes cell 18. digestion center photosynthesis cell organelle vacuole ribosomes plastid nucleolus nuclear membrane mitochondria microtubule lysosome Golgi bodies endoplasmic reticulum cytoplasm chromosomes chloroplasts chlorophyll cell wall Down 1. contains the code that guides all cell activities 2. chromosomes are found here 3. surface for chemical activity (2 words) 4. where proteins are made 6. stores and releases chemicals (2 words) 8. plant food-making process 11. food for plant cells is made here 13. contains water and dissolved minerals cell membrane nucleus 14 the smallest living thing None
The correct answer and explanation is:
Below are the correct answers to the crossword puzzle based on the given clues and word bank. Following that, you’ll find a 300-word explanation of these terms and their significance in understanding cell biology.
Answers
Across:
- Cytoplasm
- Organelle
- Chloroplasts
- Nucleolus
- Mitochondria
- Nuclear Membrane
- Cell Membrane
- Plastid
- Microtubule
- Lysosome
Down:
- Chromosomes
- Nucleus
- Endoplasmic Reticulum
- Ribosomes
- Golgi Bodies
- Photosynthesis
- Chlorophyll
- Vacuole
- Cell
Explanation
Cells are the basic building blocks of life, comprising structures called organelles, each with specific functions. The cytoplasm is a jellylike substance that supports the organelles. Within the nucleus, chromosomes carry genetic information essential for cell activity. The nucleolus, found inside the nucleus, is where ribosomes are assembled.
The nuclear membrane surrounds the nucleus, controlling molecule exchange. The cell membrane regulates entry and exit for the entire cell. For plants, the cell wall provides extra support.
Organelles like ribosomes make proteins, critical for various functions. The endoplasmic reticulum serves as a surface for chemical reactions and material transport. The Golgi bodies modify and distribute molecules like proteins and lipids. Mitochondria, often called the powerhouse, generate energy through cellular respiration.
In plant cells, chloroplasts conduct photosynthesis by trapping sunlight. They contain chlorophyll, the pigment responsible for this process. Plastids, like chloroplasts, store pigments or food. A vacuole stores water and nutrients, maintaining cell rigidity in plants.
For structural support, microtubules form part of the cytoskeleton. Lysosomes, rich in enzymes, help in digestion and recycling of cellular components.
Together, these components ensure the cell’s survival, functionality, and adaptability. Studying them provides insights into biology, medicine, and biotechnology. Cells’ organization demonstrates life’s complexity and efficiency, offering a foundation for all living organisms.