There are different types of biological work. Can you identify the type of work illustrated by the examples below?
A) electrical work
B) concentration work
C) synthetic work
D) mechanical work
E) electrical work or concentration work
F) heat
G) bioluminescent work
1) A man lifts a barbell.
2) A sea creature glows in the dark.
3) Green plants perform carbon fixation.
4) During respiration, protons are transported across the membrane of the mitochondrion.
5) Humans maintain a constant body temperature.
6) Sodium is accumulated inside a cell.
7) A nerve impulse is transmitted along a neuron.
8) Chromosomes move to opposite spindle poles during mitosis.
Answers: 1) D 2) G 3) C 4) E 5) F 6) B 7) A 8) D
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