Answer
Draw an animal cell with a nucleus containing 6 chromosomes (2n = 6).
Solution
Below is one way to sketch an animal cell labeled with its major organelles—including a nucleus that, in this example, contains 6 (2n = 6) chromosomes. Remember that in a diagram this “2n = 6” means there are 3 pairs of homologous chromosomes inside the nucleus. You can adjust the level of detail based on what your assignment requires. One possible drawing and its annotations are described below.
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(Animal Cell Diagram)
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___________________________________
/ \
/ ___________ Golgi \
/ / \ Apparatus \
| | Mitochondrion ____ |
| | (energy factory) \ |
| |___________ ( ) |
| ~~~~~ | |
| __|__ | <-- Roughly in the center:
| Cytoplasm / Nucleus\ | is the nucleus which contains:
| | (with | | • 6 chromosomes (3 pairs)
| (Other organelles such | 2n =6 | | • Nucleolus (site of rRNA synthesis)
| as lysosomes) \________/ |
\ /
\_______________________________________/
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More detailed labeled version:
1. Cell Membrane: The outer boundary (the drawn oval/irregular shape). It controls what enters and exits the cell.
2. Cytoplasm: The interior “jelly-like” substance where all the organelles are suspended.
3. Nucleus:
• A large, central organelle that houses the cell’s genetic material.
• Inside the nucleus, you can indicate a nucleolus (a dark spot) and note “6 chromosomes (2n = 6).”
• You might simply draw 3 pairs of short, “X”-shaped structures or small ovals to represent the chromosomes.
4. Mitochondria: Draw one or more bean-shaped structures with internal cristae (wavy lines inside) representing the sites of cellular respiration.
5. Endoplasmic Reticulum (ER): You can include a network of membranous tubules near the nucleus. (Not explicitly shown above but you can add “rough ER” near the nucleus by drawing stacked, squiggly lines.)
6. Golgi Apparatus: Depict a stack of flattened sacs (as shown on the right) which packages and modifies proteins.
7. Lysosomes/Vacuoles: (Optional) Tiny circles placed within the cytoplasm for additional cell functions.
You may add other organelles like the cytoskeleton or ribosomes (small dots scattered in the cytoplasm or on the surface of the rough ER) if required.
Instructions for adding the “2n = 6” aspect:
• Next to or inside the nucleus, write “2n = 6” or “6 chromosomes.”
• You might label each chromosome pair (Pair 1, Pair 2, Pair 3) if extra detail is desired.
This hand-drawn diagram meets the requirement: it shows a typical animal cell with a nucleus that contains the diploid set of chromosomes (2n = 6). Feel free to add color or additional labels as needed!
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You can now reproduce this drawing on paper or digitally, ensuring that the nucleus is clearly labeled with a note indicating “2n = 6” to satisfy the assignment requirements.
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