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CHECK FOR UNDERSTANDING.



AIDS at 20: Will We Find a Cure?

Directions: Match the word(s) on the left column with the correct phrase at the right.
1. vaccine               a. virus that converts RNA into DNA to
                         reproduce

2. protease inhibitors   b. widespread disease

3. retrovirus            c. organs and cells that defend body from
                         infections

4. pandemic              d. virus creates new strains of itself

5. mutates               e. a treatment made from benign form of a
                         virus

6. antibodies            f. protein particles that kill disease-causing
                         germs

7. immune system         g. drugs that attack HIV as it forms inside
                         cells


Drilling Paradise Dry?

Directions: Answer the following in complete sentences.

1. What is the Arctic National Wildlife Refuge The Arctic National Wildlife Refuge (ANWR) covers 19,049,236 acres (79,318 km²) in northeastern Alaska, in the North Slope region. It was originally protected in 1960 by order of Fred A. Seaton, the Secretary of the Interior under U.S. President Dwight D. Eisenhower. ? What is its environmental significance?

2. What is oil? Name three ways oil is used.

Tour De Lance: Cycling Physics

Directions: Read our story on Lance Armstrong Lance Armstrong (born Lance Edward Gunderson on September 18, 1971) is a retired American professional road racing cyclist. He won the Tour de France—cycling's most prestigious race—seven consecutive times, from 1999 to 2005. . Then write a brief paragraph using the vocabulary words provided.

1. You're competing in the Tour de France Tour de France

World's most prestigious and difficult bicycle race. Staged for three weeks each July—usually in some 20 daylong stages—the Tour typically comprises 20 professional teams of nine riders each and covers some 3,600 km (2,235 miles) of flat and
, and Lance Armstrong is not too far ahead of you. Describe your strategy to catch up. (peleton, drafting, maillot jaune)

2. You're the Tour's leader today. Your fans want to know what you plan to eat. (complex carbohydrates complex carbohydrates,
n.pl polysaccharides; nutritional compounds composed of multiple monosaccharide (simple sugar) building blocks. Complex carbohydrates include starches, glycogen, and cellulose.
, 17.5 calories, peanut butter and banana sandwich)

ANSWERS

CHECK FOR UNDERSTANDING, p. TE4

AIDS At 20: Will We Find A Cure?

1. e 2. g 3. a 4. b 5. d 6. f 7. c

Drilling Paradise Dry?

Answers will vary but should include the following points:

1. The 19-million-acre Arctic National Wildlife Refuge was established in 1980 to protect a rich variety of wildlife comparable to the Serengeti Plain Ser·en·get·i Plain  

An area of northern Tanzania bordering on Kenya and Lake Victoria. It is internationally well-known for its extensive wildlife preserve.

Noun 1.
 in Africa. It's also oil rich, and President George Bush wants to let oil companies explore and drill inside the Refuge.

2. Oil is a fossil fuel fossil fuel: see energy, sources of; fuel.
fossil fuel

Any of a class of materials of biologic origin occurring within the Earth's crust that can be used as a source of energy. Fossil fuels include coal, petroleum, and natural gas.
, or an energy resource derived from decayed material of dead plants and animals Plants and Animals are a Canadian indie-rock band from Montreal, comprised of guitarist-vocalists Warren Spicer and Nic Basque, and drummer-vocalist Matthew Woodley.[1] They are signed to Secret City Records. . Oil is used to make gasoline, heating oil, plastics, candle wax Candle wax may refer to the following substances when used to make candles:
  • Paraffin wax
  • Beeswax
, and tires.

Tour De Lance: Cycling Physics

Answers will vary but should include the following points:

1. The peleton, French for "pack," is a beehive-like formation where riders swarm together. Drafting--or "wheel sucking"--is a team-orchestrated physics trick where riders take turns shielding each other from the wind. This allows the rider tucked behind the front runner front runner nfavorito/a

front runner n (fig) → favori(te)

front runner n (fig) →
 to use less energy. Maillot jaune is the yellow jersey worn only by the Tour de France's overall leader.

2. Pasta is crammed with complex carbohydrates, chemical starches that the body converts into energy. Each minute of bike pedaling burns 17.5 calories. A peanut butter and banana sandwich is energy-rich, a good food source for pedal power.

YOUTH AND AIDS, p. TE6

1. Male ages 20-24, female ages 13-19

2. Sexual contact

3. 2,353; 2,015

4. Sexual contact

5. 650

SCIENCE IN THE NEWS QUIZ, p. TE7

1. a 2. d 3. c 4. a 5. d 6. b 7. a 8. c 9. a 10. d
COPYRIGHT 2001 Scholastic, Inc.
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2001, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Article Details
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Title Annotation:AIDS quiz
Publication:Science World
Article Type:Brief Article
Geographic Code:1USA
Date:Oct 1, 2001
Words:485
Previous Article:GROSS OUT?
Next Article:To Drill or Not to Drill.
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