How Do Guard Cells in a Plant Open & Close?

Answer Plant leaves take in carbon dioxide and release water vapor and oxygen through pores in the underside of their leaves called stomata. Stomata are encircled by sausage-shaped guard cells that help r... Read More »

Top Q&A For: How Do Guard Cells in a Plant Open & Close

Is cell membrane found in animal cells or plant cells?

The cell membrane, the outside casing or membrane of a cell, is found in both plant and animal cells. In fact, the cell membrane is a universal feature found in the cells of all living organisms. T... Read More »

Do plant cells have DNA?

Plant cells have DNA just like humans and other living creatures. The DNA is found in the plant cell's nucleus and is crucial to the cell's growth and function. According to the MadSci Network, DNA... Read More »

How big are plant cells?

A normal plant cell is anywhere from 10 to 100 micrometers. Such a large range is due to the existence of three additional structures found only in plant cells. They have a chloroplast to carry out... Read More »

When did the 440th Air Guard close?

The 440th Air Guard officially closed on February 2, 2008, following the issuance of the 2005 Base Realignment and Closure Commission (BRAC). The personnel and equipment of the 440th was moved to P... Read More »