To distinguish: Among psychological dependence, tolerance, and drug addiction and describe the biological actions and effects on the mood of alcohol, antidepressants, barbiturates, anti-anxiety drugs, antipsychotic drugs, opiates, stimulants, hallucinogens, and marijuana. Introduction: Drug abuse is slowly increasing and becoming a very common phenomenon amongst teenagers and young adults these days. Most of the commonly abused drugs affect mood by changing the levels of certain hormones such as, dopamine, and serotonin. Alcohol is abused most commonly and has several harmful effects on humans. Many other drugs such as antidepressants, which are prescribed to cure the psychological disorder, are also being abused.

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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.) After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.) Data Table 1Stage Totals PercentInterphase Mitosis: Prophase Metaphase Anaphase Telophase Cytokinesis Totals 100 100% To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…

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100%

Chapter 42.6, Problem 12LO

Summary Introduction

To distinguish: Among psychological dependence, tolerance, and drug addiction and describe the biological actions and effects on the mood of alcohol, antidepressants, barbiturates, anti-anxiety drugs, antipsychotic drugs, opiates, stimulants, hallucinogens, and marijuana.

Introduction: Drug abuse is slowly increasing and becoming a very common phenomenon amongst teenagers and young adults these days. Most of the commonly abused drugs affect mood by changing the levels of certain hormones such as, dopamine, and serotonin. Alcohol is abused most commonly and has several harmful effects on humans. Many other drugs such as antidepressants, which are prescribed to cure the psychological disorder, are also being abused.

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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.) After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.) Data Table 1Stage Totals PercentInterphase Mitosis: Prophase Metaphase Anaphase Telophase Cytokinesis Totals 100 100% To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…

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