2.1-2.2 Cell Structures & Functions

Which of the following statements are parts of the cell theory? (Choose 3)

• Cell is the basic unit of structure and function in organisms

• All organisms are composed of cells

• Cell come only from pre-existing cells 

• Not all organisms are composed of cells

Which of the following is the characteristic of a prokaryotic cell?

• Cellulose cell wall

• Mitochondria

• Circular DNA/Plasmid

• 80S ribosome

Which of the following structures present in the prokaryotic cell?

• Nuclear membrane

• Mitochondrion

• Ribosome

• Nucleus

What is the main component of cell wall in prokaryotes, specifically bacteria?

Which of these statements about the nucleus are TRUE? (Choose 3)

• Nucleus is the largest organelle

• The nucleus is surrounded by single membrane

• The production of mRNA occurs in the nucleus

• Nucleus acts as the control center of a cell

The function of the nucleolus in a nucleus is…

• To synthesize DNA

• To synthesize chromosomes

• To synthesize ribosomes

• To synthesize mRNA

Chromatins in the nucleus coiled around conjugated protein to form condensed chromosome. Name the protein.

Which of the following organelles is usually continuous with the outer membrane of the nucleus?

• Smooth endoplasmic reticulum

• Rough endoplasmic reticulum

• Golgi apparatus

• Ribosomes

An organelle is made up of two subunits, small, and has no membrane. What is this organelle?

• Golgi apparatus

• Lysosome

• Mitochondrion

• Ribosome

Ribosomes are the sites for…

• protein synthesis

• synthesizing lipids

• aerobic respiration

• photosynthesis