All of the Following Observations Are Real

question 12

Multiple Choice

All of the following observations are real. Which one does not support the theory that active galactic nuclei are powered by accretion disks around massive black holes?

• A)The most luminous active galactic nuclei have huge redshifts.
• B)Spectra of active galactic nuclei show that clouds of gas are orbiting a central object at very high speed.
• C)X- ray emission from active galactic nuclei can vary significantly in times as short as a few days.
• D)The total luminosity of an active galactic nucleus can be as high as about 10 billion times that of the Sun.

Explain the formation and function of glycoproteins in cells.

Understand different types of technical drawing views and their applications.

Recognize the terminology and abbreviations used in drafting.

Identify the characteristics and uses of templates in drafting.

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Definitions:

Unconditioned Response

The automatic and natural reaction elicited by an unconditioned stimulus without the need for prior learning or conditioning.

Conditioned Response

A learned response to a previously neutral stimulus that has become associated with an unconditioned stimulus through conditioning.

Unconditioned Response

An automatic, natural reaction to a stimulus, which occurs without prior learning or conditioning.

Morphine

A powerful opiate analgesic drug used to relieve severe pain, acting directly on the central nervous system.