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There are five stages of sleep; Stages 1-4, and then REM (rapid eye movement) sleep, in which dreaming occurs.

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Can dreams only occur during rem sleep?

The dreams that we remember tend to only occur during REM sleep. However, new research is showing us that dreams can actually happen in NREM sleep. Research is still being done to determine exactly what kind of dreams when have in the different stages of sleep.


In what part of the cell cycle does replication occur?

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When do you have dreams?

Most dreams occur during the Rapid Eye Movement (REM) stage of the sleep cycle. Dreams do happen in other stages of the cycle, but those in the REM stage have had more study. See attached link for further information.


Where is the last three stages of cellular respiration?

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What hormone causes ovulation to occur in the menstrual cycle?

The hormone that causes ovulation to occur in the menstrual cycle is called luteinizing hormone (LH).


In what part of the cell does the replication occur?

DNA replication occurs during Interphase. This is not normally part of the cell division cycle but interphase must occur before subsequent stages such as prophase and metaphase can occur.


Where in the cell do the two stages of respiration occur?

The two stages of respiration, glycolysis and cellular respiration (Krebs cycle and electron transport chain), occur in different parts of the cell. Glycolysis takes place in the cytoplasm, while the Krebs cycle and electron transport chain occur in the mitochondria.


Your friend dreamed that you were knocked down and had fallen of a bridge?

its called "stimulouis" when dreams occur to things that are going to occur in the future.


Does sleeping always involve dreaming?

No. Dreams occur during certain stages of sleep. If for some reason a person is constantly disturbed, that person will not sleep well and will not attain a full dream cycle. Having noted that exception, in the normal course of healthy sleep, all people do dream.


Where do the different stages of photosynthesis occur in the cell?

The light-dependent reactions of photosynthesis occur in the thylakoid membranes of chloroplasts, while the light-independent reactions (Calvin cycle) occur in the stroma of chloroplasts.


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What is the time that it takes a complete cycle or wave oscillation to occur is called?

The time it takes for a complete cycle or wave oscillation to occur is called the period. It is usually measured in seconds and is inversely proportional to the frequency of the wave.