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How can cells regulate gene expression to control their functions and responses?
Cells can regulate gene expression by turning genes on or off, controlling the amount of proteins produced. This process helps cells control their functions and responses to different signals and environments.
What accounts for the fact that cells in different tissues and organisims have different functions and respond differently to their environments?
Cells in different tissues and organisms have different functions and respond differently to their environments because they are expressing different genes. Different cells can have very different physical characteristics.
What do cells have?
Cells have their different parts with different functions and properties.
Are there different types of cells?
The diversity of cells reflects their different functions in organisms.
Why are the cells in the stomach and gullet different?
they have different functions
What cells perform different functions?
Different cells are different in structure because of their different functions (e.g. plant cells have cell walls because they don't have bones). Also, cells have different functions because they work together with other cells to create a working system (e.g. the human body)
Do all animals have the same cells?
No, all animals do not have the same cells. There are many different types of animal cells with various functions and structures. Different animals have evolved to have specialized cells that suit their unique needs and environments.
How do plant cells have different shapes?
To perform different functions plant cells assume different shapes
Why is the shape of liver and cheek cells different if they are both animal cells?
They have different Histological functions.
Do cells live in a solid environment?
Cells do live in a solid environment. In humans, cells thrive inside the body and are unable to live outside. In plants, cells live in rain forest environments and near rivers, streams, ponds but not in desert environments.
Why do cells come in different shape and sizes?
Because they have different functions
Why are shapes and sizes of cell different?
Cells are different shapes and sizes because they have different functions. The functions dictate the shapes and sizes.
