
What organelles only exist in animal cells? - Answers
Jun 3, 2024 · Chlorophyll is the only organelle that exists in plant cells and not animal cells. chloroplasts are the only organelles that make chlorophyll the chemical that makes plants green.
Why animal cells have more catalase enzyme than plant cells?
Nov 12, 2024 · Animal cells typically have higher levels of catalase compared to plant cells, as catalase plays a crucial role in breaking down hydrogen peroxide produced during cellular metabolism in …
Why do human sex cells have only half the number of chromosomes?
Feb 27, 2025 · Sex cells, also known as gametes, typically contain 23 chromosomes in humans. This is half the number of chromosomes found in other body cells, which have 46 chromosomes.
What is the average life span of skin cells and how does it ... - Answers
Feb 6, 2025 · The average lifespan of skin cells is about 28 days. This impacts overall skin health by ensuring that old, damaged cells are constantly being replaced by new, healthy cells. This turnover …
Do antibiotics work on eukaryotic cells, and if so, how do ... - Answers
Jan 18, 2025 · Antibiotics do not work on eukaryotic cells because they target specific structures or processes unique to prokaryotic cells, such as cell wall synthesis or protein synthesis. Eukaryotic …
How are the white blood cells adapted to their function?
Jun 8, 2024 · It occurs primarily in the bone marrow, where hematopoietic stem cells differentiate into different types of white blood cells to help fight infections and maintain immune function in the body.
What are the 3 main structures of all cells? - Answers
Jun 14, 2024 · All cells come from cells that already exist.The 3 main ideas of the cell theory is: 1. all living things are composed of cells 2. cells are the basic units of structure and function in living things.
What two substances need to be transported out of all kinds ... - Answers
Jun 10, 2024 · Instead, animal cells are surrounded by a plasma membrane that helps to maintain the cell's structure and regulate the movement of substances in and out of the cell.
Why is a number of sperm cells not a tissue? - Answers
Oct 7, 2024 · Yes, sperm cells are produced through meiosis. Meiosis is a specialized form of cell division that occurs in the testes, leading to the production of haploid sperm cells with half the …
Is the DNA the same in all the cells of an organism? - Answers
Jun 16, 2024 · Most cells will have a nucleus, mitochindria, and ribosomes, but will differ in appearance. What decides that is the DNA or RNA. The same genetic code or DNA.