Question

Read the following pairs of examples and find the pair that belongs to the group prokaryotes?

• A. moss and sponge
• B. yeast and amoeba
• C. bacteria and a blue-green algae
• D. penicillium and spirogyra

Answer 1

The correct option is C

bacteria and a blue-green algae

The correct option is C.

The explanation for the correct option:

1. A prokaryotic cell has five components and essential structures: nucleoids (DNA), ribosomes, cell membranes, cell walls, and a type of surface layer, which can be an integral part of the wall.
2. Bacteria are single-celled microscopic microorganisms.
3. They belong to the plant kingdom.
4. There are three notable common traits of bacteria, they lack membrane-bound organelles, are unicellular, and are small in size.
5. It is also known as Cyanobacteria has chlorophyll identical to green plants, and are photosynthetic autotrophs.
6. Cyanobacteria are unicellular, colonial, or filamentous, freshwater/marine, or terrestrial algae.
7. Colonies are usually surrounded by a viscous shell.
8. Blue-green algae are single-celled prokaryotic organisms. It does not have a well-defined kernel.
9. DNA is not present inside the nucleus but occurs in the cytoplasm, not enclosed by the nuclear membrane. DNA has no histone proteins.

The explanation for the incorrect options:

Option A:

Moss and sponge are multicellular eukaryotic organisms.

Option B:

Yeast and Amoeba are unicellular but eukaryotic organisms.

Option D:

Penicillin and spirogyra are eukaryotic organisms.

Final Answer: Bacteria and blue-green algae are prokaryotes among the following mentioned options.