Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

12 Questions

0 Views

Cell Theory and Cell Size

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main function of the plasma membrane in eukaryotic cells?

Stores genetic information

Helps in cell division

Regulates passage of materials in and out (correct)

Synthesizes organic food

What is the believed origin of the nucleus in eukaryotic cells?

Emitted from the Golgi apparatus

Evolved by invagination of the plasma membrane (correct)

Arose spontaneously within the cell

Developed from the endoplasmic reticulum

What is the theory that suggests mitochondria and chloroplasts in eukaryotic cells originated from engulfed prokaryotic cells?

Nuclear fusion theory

Evolutionary vestige theory

Endosymbiotic theory (correct)

Excavation hypothesis

Which organelles are considered independent and self-sufficient in eukaryotic cells?

Mitochondria and chloroplasts Signup and view all the answers

Which type of cells would contain more smooth endoplasmic reticulum according to the text?

Liver cells detoxifying drugs Signup and view all the answers

What is the function of the dark nucleolus within the nucleus of a eukaryotic cell?

Produces subunits of ribosomes Signup and view all the answers

What did Matthias Schleiden and Theodor Schwann contribute to the Cell Theory?

Proposed that cells come only from pre-existing cells Signup and view all the answers

Why do cells need to be small according to the information provided?

To increase the efficiency of material transport Signup and view all the answers

What is a distinguishing feature of eukaryotic cells compared to prokaryotic cells?

Larger size and presence of organelles Signup and view all the answers

What is the size range for cells as mentioned in the text?

1 millimeter to 1 micrometer Signup and view all the answers

Why does the surface-area-to-volume ratio require cells to be small?

To enhance the efficiency of transporting materials Signup and view all the answers

What is one of the main functions of organelles in eukaryotic cells?

Perform specific functions Signup and view all the answers