The US Has Plans to Build a 30-Meter Telescope, While the the Europeans

question 20

Multiple Choice

The U.S. has plans to build a 30-meter telescope, while the Europeans are thinking about 39-meter telescope. What technological innovation allows astronomers to be thinking about telescopes with that large an aperture?

• A) they can put telescopes on tall mountains now, which we could not ever do before
• B) they can build much larger lenses for their telescopes with new kinds of plastics
• C) adaptive optics technology allows them to design a huge mirror which hardly weighs anything
• D) the mirror in these telescopes will be constructed from many smaller mirrors which will work together
• E) those big telescopes are just a dream right now; no one can think of a technology for building them.

Grasp the significance of authentication and authorization in network security.

Familiarize with the server-side software repository and its importance.

Understand the structure and functionalities of cell membranes, including their components and the fluid-mosaic model.

Identify the roles of different types of membrane proteins in cell communication and substance transport.