Cell Structure and Function Concepts

Mr. Gailes reviews the answers to a cell practice quiz, covering plant, animal, and prokaryotic cell structures. He explains the functions of various cell components, such as the nucleus, endoplasmic reticulum, and Golgi apparatus. The video also includes a review of cell theory and key scientists in cell biology. Students are encouraged to pause the video to complete the quiz and check their answers.

What should you do if you haven't taken the practice quiz yet?

• Email the teacher for answers.

• Pause the video and take the quiz.

• Watch the video without pausing.

• Skip the video and ask a friend.

Which structure in a plant cell is responsible for photosynthesis?

• Golgi apparatus

• Nucleus

• Mitochondria

• Chloroplasts

What is the function of the central vacuole in plant cells?

• Photosynthesis

• Storage of water and nutrients

• Protein synthesis

• Cell division

Which structure is absent in animal cells but present in plant cells?

• Mitochondria

• Cell wall

• Nucleus

• Cell membrane

What is the role of microvilli in animal cells?

• Photosynthesis

• Protein synthesis

• Increasing surface area

• Cell division

What is a defining feature of prokaryotic cells?

• Lack of a defined nucleus

• Lack of a cell membrane

• Presence of a nucleus

• Presence of chloroplasts

What is the function of pili in prokaryotic cells?

• Protein synthesis

• Adhering to surfaces

• Photosynthesis

• Cell division

Which cellular structure modifies and packages proteins?

• Ribosomes

• Golgi apparatus

• Lysosomes

• Nucleus

Who is credited with discovering the nucleus?

• Louis Pasteur

• Theodor Schwann

• Robert Brown

• Rudolph Virchow

Which scientist stated that all cells come from pre-existing cells?

• Louis Pasteur

• Rudolph Virchow

• Robert Hooke

• Theodor Schwann