Final Review Part 3

Front

What are centrioles?

Back

Centrioles are yellow cell structures that play a crucial role in cell division by forming the spindle fibers that separate chromosomes.

Front

What do duplicated chromosomes refer to?

Back

Duplicated chromosomes refer to 2 copies of DNA that are tightly packaged into neat bundles.

Front

What part of the cell membrane is water-hating?

Back

The water-hating part of the cell membrane is indicated by letter E.

Front

What is passive transport?

Back

Passive transport is the movement of particles from high to low concentration without the use of energy.

Front

What is chromatin?

Back

Chromatin refers to DNA that is wrapped around protein and relaxed like a bowl of spaghetti.

Front

What is the function of ribosomes?

Back

Ribosomes are cell structures that synthesize proteins by translating messenger RNA.

Front

What is the role of lysosomes?

Back

Lysosomes are organelles that contain digestive enzymes to break down waste materials and cellular debris.

Front

What is the function of mitochondria?

Back

Mitochondria are known as the powerhouse of the cell, generating ATP through cellular respiration.

Front

What is the structure of the cell membrane?

Back

The cell membrane is composed of a phospholipid bilayer with embedded proteins, cholesterol, and carbohydrates.

Front

What is the difference between active and passive transport?

Back

Active transport requires energy to move substances against their concentration gradient, while passive transport does not.