Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
Science
/
Biology
/
Microscopy and Scale
Worksheet
Grade Level
Biology
10.22 Microscopy and Scale
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
Use the focusing-sequence diagram. Which step should occur before switching to a high-power objective?
A
Rotate directly to high power before placing the slide on the stage
B
Center the specimen under low power
C
Use oil immersion on every wet mount
D
Close both eyes while focusing
Submit Answer