Which of the following organisms is composed of cells with walls?

Rationale

An Oak Tree is composed of cells with walls.

Plant cells, which make up an Oak Tree, are characterized by their rigid cell walls, which provide structure and support. These walls are primarily composed of cellulose, a complex sugar.

A (Human) YOUR ANSWER

Human cells do not have cell walls. Instead, they have a flexible cell membrane that allows for a variety of shapes and sizes. The absence of a cell wall in human cells enables specialized functions, including movement and complex intracellular processes.

C (Domestic Cat) YOUR ANSWER

Domestic Cat cells, like all animal cells, do not have cell walls. They have a cell membrane which is flexible and allows for various cell functions such as endocytosis and phagocytosis.

D (Protozoa) YOUR ANSWER

Protozoa, a group of single-celled organisms, also do not have cell walls. Instead, they have a protective layer known as a pellicle, which can vary in rigidity, but it is not equivalent to a plant cell wall.

Conclusion

Among the organisms listed, only the Oak Tree is composed of cells with walls, a characteristic feature of plant cells. These walls provide structure and support to the tree. In contrast, Human, Domestic Cat, and Protozoa do not have cells with walls, indicating the presence of a cell wall is not a universal characteristic among all organisms.

Which of the following organisms is composed of cells with walls?

An Oak Tree is composed of cells with walls.

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