Materials Needed for Exercise A

Rell jar

Cellulose acctate or diluted clear nail polish (sec Instructors' Notes at the end of this manual for preparation)

Coitus (colcus) plants

Cotton balls

Light energy

Light energy

Microwave Oven Water Vapor

Water

Food produced and sent to other parts of plant

Carbon dioxide / vapor

Water

Oxygen;

Water

Carbon dioxide / vapor

Oxygen;

Parts Plants That Used For Food

Food converted to energy to be used by all parts of plant

Water

Food produced and sent to other parts of plant

Photosynthesis

Food converted to energy to be used by all parts of plant

Respiration

FIGURE 5.1 COMPARISON OF PHOTOSYNTHESIS AND RESPIRATION IN PLANTS.

Dry peas, beans, or other seeds Gas sampling botdc, 250 ml Glass plate

Glass terrarium or jar with lid

Logger Pro software

Microwave oven

PC or Macintosh computer

Peas, beans, or other seeds soaked for 24 hours

Petroleum jelly (Vaseline)

Photoflood lamp

Potato, apple, or other plant organ void of chlorophyll Ring stand

Sodium pvrogallatc (sec Instructors' Notes for preparation)

Split rubber stopper

Universal lab interface

Various plants, such as Pelargonium (Geranium) or Zebrina

Vernier C02 gas sensor

Water-filled heat shield to control temperature generated from lamp

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