The appearance of the units in the cork can vary depending on the specific context or type of cork being examined. Generally, if the units are filled, they may appear solid or dense, while empty units might look hollow or have a more porous texture. Observing the surface and structure of the cork can help determine whether the units are filled or empty. If you have a specific type of cork in mind, please provide more details for a more accurate assessment.
Cork cells are typically dead when functional because they lack a nucleus, vacuole, and cytoplasm. The walls of cork cells are filled with suberin, a waxy substance that makes them impermeable to water and gases. This lack of cellular contents in cork cells contributes to their ability to provide insulation and protection in plants.
Robert Hooke's cork cells appeared empty because he was observing dead cell walls. Live cells have contents that can be easily seen under a microscope, but in cork cells, the living material had decayed and left behind only the empty cell walls, making them appear hollow.
they were empty
It's known as a 'greeble'.
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Cork is the outer protective tissue of older stems and roots. The mature cork cells become dead and filled with tannis, resins and air.
Robert Hooke observed that a slice of cork appeared to be made up of small rectangular compartments, which he called "cells." These cells gave cork a honeycomb-like structure, which led to the discovery of cells as the basic building blocks of living organisms.
what occupied the space of the cork at the botton of the glass
When Robert Hooke examined a thin cutting of a cork he saw empty spaces enclosed by walls. He called these empty spaces cells.
you call it bubbles
you call it bubbles
The cork over the bottle's neck is going too be pushed by how much air is in the bottle.