Flashcard: Fundamentals of Cell Structure and Function — 16 carte

Cell components — nucleus role?

Controls cell activities and stores DNA.

Cytoplasm — function?

Supports organelles and biochemical reactions.

Plasma membrane — role?

Regulates substance exchange with environment.

Chloroplast — function?

Performs photosynthesis in plant cells.

Cell wall — component?

Provides support and protection in plants.

Cell Theory — first principle?

All living organisms are made of cells.

Virchow (1855) — principle?

Cells come from pre-existing cells.

Hooke (1665) — discovery?

First observed cells in cork tissue.

Leeuwenhoek — contribution?

Discovered microorganisms with simple microscopes.

Pasteur (1851) — refuted?

Spontaneous generation of life.

Microscopy — earliest type?

Optical microscopes using visible light.

SEM — stands for?

Scanning Electron Microscope.

TEM — stands for?

Transmission Electron Microscope.

Electron microscopes — advantage?

High resolution, detailed internal structures.

Cell diversity — plant vs animal?

Plants have chloroplasts, cell wall; animals have lysosomes.

Cell division — principle?

Mother cell divides into daughter cells.