What is the primary function of the cell membrane?

The cell membrane regulates substances.

• Controls what enters cell.

• Maintains cellular homeostasis.

• Supports cell structure and integrity.

True or False: All cells contain a nucleus.

False. Prokaryotic cells do not have a nucleus.

Riddle: I am the powerhouse of the cell, producing energy for all to see. What am I?

Mitochondrion

What is the role of ribosomes in a cell?

Ribosomes are the sites of protein synthesis, where amino acids are assembled into proteins.

Fill in the blank: The process by which a cell takes in particles by enclosing them in a membrane-derived vesicle is called ___.

Endocytosis

Which organelle is responsible for modifying, sorting, and packaging proteins for secretion?

Golgi apparatus

What structure in plant cells provides additional strength and protection beyond the cell membrane?

Cell wall

True or False: Chloroplasts are found in animal cells.

False. Chloroplasts are present only in plant cells.

Riddle: I am a jelly-like substance where many cell reactions take place, and I help maintain cell shape. What am I?

Cytoplasm