Basics
Vesicles and Vacuoles
Vesicles and vacuoles are membrane-bound sacs that function in storage and transport. Vacuoles are somewhat larger than vesicles,…
July 12, 2021 · Rajil TLAuthor: Rajil TL
Rajil TL is a SenseCentral contributor focused on tech, apps, tools, and product-building insights. He writes practical content for creators, founders, and learners—covering workflows, software strategies, and real-world implementation tips. His style is direct, structured, and action-oriented, often turning complex ideas into step-by-step guidance. He’s passionate about building useful digital products and sharing what works.
Basics
Lysosomes
In animal cells, the lysosomes are the cell’s “garbage disposal.” Digestive enzymes within the lysosomes aid the breakdown of proteins,…
July 12, 2021 · Rajil TLBasics
The Endomembrane System
The endomembrane system (endo = within) is a group of membranes and organelles in eukaryotic cells that work together to…
July 12, 2021 · Rajil TL
Basics
Flagella and Cilia
Flagella (singular = flagellum) are long, hair-like structures that extend from the plasma membrane and are used to…
July 12, 2021 · Rajil TL
Basics
The Cytoplasm
The cytoplasm comprises the contents of a cell between the plasma membrane and the nuclear envelope (a structure…
July 12, 2021 · Rajil TLBasics
The Plasma Membrane
Like prokaryotes, eukaryotic cells have a plasma membrane (Figure 3.9) made up of a phospholipid bilayer with embedded proteins that…
July 12, 2021 · Rajil TLBasics
Eukaryotic Cells
At this point, it should be clear that eukaryotic cells have a more complex structure than do prokaryotic…
July 12, 2021 · Rajil TLBasics
Comparing Prokaryotic and Eukaryotic Cells
Cells fall into one of two broad categories: prokaryotic and eukaryotic. The predominantly single-celled organisms of the domains…
July 12, 2021 · Rajil TLBasics
Microscopy
Cells vary in size. With few exceptions, individual cells are too small to be seen with the naked…
July 12, 2021 · Rajil TLBasics
Introduction to Cell Structure and Function
Figure 3.1 (a) Nasal sinus cells (viewed with a light microscope), (b) onion cells (viewed with a light…
July 12, 2021 · Rajil TL