False. The milky way galaxy was first decided to be a barred spiral galaxy as opposed to being a spiral galaxy in the 1960's.
Answer:
Gap junction is a connecting channel in animal cell while plasmodesmata is connecting channel in plant cell.
Explanation:
Both Gap junction and plasmodesmata are form of connecting channel found in cell but Gap junction is found in animal cells while plasmodesmata is found in plant cell.
The structure of gap junction comprises of hemicahnnes (connexons). These hemichannels are made up of endoplasmic reticulum of cells that are later relocated by the Golgi apparatus to the cell membrane thereby forming transmembrane proteins named connexins. While Plasmodesmata are cylindrical in shape and lined with plasma membrane. There are narrow tubes known as desmotubules which are made up of smooth endoplasmic reticulum
There are three types of gap junction while there are several forms of plasmodesmata
It's the FDA, or the Food and Drug Administration. <span>The Food and Drug Administration is a federal agency of the United States Department of Health and Human Services, one of the United States federal executive departments.They keep track of what goes through production lines and decide wether a product, or drug, is safe to open to the public for consumer use.</span>
Because it’s a shiny ice and snow reflect, a high proportion of the sun's energy into space. As the Arctic loses snow and ice, the bare rock and water absorb more and more of the sun's energy, making it even warmer for them to stay alive in the winter . I hope that helps !!
Explanation:
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