If Modern Telescopes Were Used to Take Pictures of the Entire

question 19

Multiple Choice

If modern telescopes were used to take pictures of the entire sky, roughly how many galaxies would those pictures contain?

• A) 2 million
• B) 20 million
• C) 200 billion
• D) 2 trillion

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Definitions:

Selective Active Transport

The process by which cells selectively move molecules from one side of a membrane to the other, requiring the use of energy, usually in the form of ATP.

Dialysis

A medical procedure that removes waste products and excess fluid from the blood when the kidneys are not functioning properly.

Artificial Kidneys

Medical devices designed to replicate the function of natural kidneys by removing waste and excess substances from the blood of patients with renal failure.

Glomerular Capsule

Part of the nephron in the kidney, a cup-like sac surrounding the glomerulus, which filters blood to form urine.