Prokaryotic Cell Structure

Which protein is a component of prokaryotic flagella?

Which of the following statements about prokaryotic cells is correct?

What is the function of the Svedbergs unit (S) in the context of ribosomes?

Which organism uses pseudopodia for locomotion?

Which type of ribosome is found in prokaryotic cells?

What is a distinctive feature of the lysosomes in plant cells?

Which organelle is described as having a 9+2 arrangement of microtubules?

What is the primary substance constituting the cell wall of plant cells?

What is the main difference in the development of the Golgi complex between plant and animal cells?

Which characteristic is specific to sap vacuoles in plant cells?

Prokaryotic Cell

A primitive karyon is present, but it lacks a nucleus with a nuclear membrane.
The DNA in prokaryotic cells is circular and naked, meaning it's not bounded by a nuclear membrane.
Histone proteins are present, but they do not form a nucleus.
Membrane-bound organelles such as Golgi, ER, and Lysosomes are absent.

Cell Components

Ribosomes, the protein factories, are 70S in prokaryotes.
The S in 70S refers to the Svedberg unit, a measure of the size and shape of the ribosome.

Locomotion

Prokaryotic cells move using flagella, which are made of the protein flagellin.
Flagella are also found in some eukaryotes, such as Euglena, Chlamydomonas, and higher animals.
Amoeba, on the other hand, forms pseudopodia to move.

Eukaryotic Flagella

Characterized by a 9+2 arrangement of microtubules composed of tubulin

Plant Cell

Has a cell wall made of cellulose
Green cells possess chloroplasts or other types of plastids
Contains a large, central sap vacuole that stores water and salts
Possesses lysosomes that can break down and destroy worn-out organelles
Has a well-developed Golgi complex, also known as dictyosomes
Contains centrioles, which are also found in flagella

Animal Cell

Has a peripheral and smaller sap vacuole compared to plant cells

This quiz covers the key features of prokaryotic cells, including the nucleus, DNA, organelles, ribosomes, and locomotion. It also touches on the differences between prokaryotic and eukaryotic cells.