BIO 143 COMPREHENSIVE REVIEW 2026 VERIFIED SOLUTION SET

BIO 143 COMPREHENSIVE REVIEW 2026
VERIFIED SOLUTION SET


◉ Prefixes, symbols.
Answer: Kilo (k)
Hecto (h)
Deka (da)
Unit
Deci (d)
Centi (c)
Milli (m)
Micro (u)


◉ Metric conversions.
Answer: use Kilo Hecto Deka Base Deci Centi Milli micro
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◉ how to use electronic balance (with weight boat and tare).
Answer: Turn on the balance (basically like a scale)
Place weight boat (plastic white cup thing)

, Tare it (which means set the weight to zero)
Then place what you are weighing inside the weight boat


◉ Ranges of P1000, P200, P20.
Answer: P1000: 100-1000 uL (microliters)
P200:20-200 uL (microliters)
P20:2-20 uL (microliters)


◉ How to read a micropipette.
Answer: - micropipettes measure volumes less than 1 milliliter (mL)
- micropipettes measure with micrometers (µL)
- 1,000 µL = 1 mL
- P20 measures from 1-20 µL
- P200 measures from 20-200 µL
- P1000 measures from 100/200-1000 µL
- ex. 100 µL = 0.1 mL


◉ parts of a micropipette.
Answer: Push button - draws fluid (at the top)
Tip ejector button - ejects tip (the white pusher)
Thumbwheel- allows you to measure volume (black spinner near
top)