Un passeig per la cèl·lula

Quina diferència clau hi ha entre procariotes i eucariotes?

(a)  

What was the historical belief that non-living matter could create life?

• Biogenesis

• Abiogenesis

• Spontaneous Generation

• Evolution

Who first observed and named "cells" after examining cork slices under a microscope?

• Anton van Leeuwenhoek

• Louis Pasteur

• Robert Hooke

• Isaac Newton

Which of the following is a tenet of the Classical Cell Theory?

• All organisms are composed of tissues.

• The cell is the basic unit of heredity.

• All cells come from pre-existing cells.

• Cells spontaneously generate from non-living matter.

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

• Eukaryotic cells are always smaller.

• Eukaryotic cells lack genetic material.

• Eukaryotic cells have a defined nucleus and membrane-bound organelles.

• Eukaryotic cells are exclusively single-celled organisms.

What are the primary functions of the Rough Endoplasmic Reticulum (ER) and Smooth Endoplasmic Reticulum (ER) respectively?

• Rough ER makes lipids, Smooth ER makes proteins.

• Rough ER makes proteins, Smooth ER makes lipids and hormones.

• Rough ER makes hormones, Smooth ER makes proteins.

• Rough ER makes carbohydrates, Smooth ER makes lipids.

What is the main role of the Golgi Apparatus in the cell?

• Producing energy for the cell.

• Manufacturing lipids and hormones.

• Packaging and sorting proteins into vesicles.

• Storing genetic information.

What theory explains the origin of mitochondria and chloroplasts in eukaryotic cells?

• Cell theory

• Modern cell theory

• Endosymbiosis

• Spontaneous generation

What factor primarily limits the maximum size a cell can reach?

• The amount of available energy.

• The number of organelles it contains.

• The surface-area-to-volume ratio.

• The strength of its cell wall.