The nutrient cycles between the living and nonliving parts of an ecosystem are called______________.（ ） A: physical cycles B: chemical cycles C: Biogeochemical Cycles D: biological cycle

For the following cycles, which belong to power cycles ( ) A: Reheat Cycle B: Regenerate Cycle C: Rankine Cycle D: Refrigeration Cycle

The Chinese lunar calendar is based on the cycles of the moon.

When the disruption occured in the cycle, cycles were pushed back.

Here were cycles of industrial prosperity which always collapsed into industrial _____.

Many thousands of proteins in a typical eukaryotic cell are regulated by cycles of phosphorylation and _______________.

2. The circadian rhythm can further _________ into routine cycles during the 24-hour day.

Lunar Calendar is based on the movement and cycles of the moon, which represents a linear concept of time.

The suspension was subjected _____ four cycles of freezing and thawing and was further disrupted _____ sonication (40 s).

There are three cycles of Romance in Medieval English literature. They are matters of France, matters of Rome and matters of Denmark.