About the effect that is has on heart rate

Assignment Help Biology
Reference no: EM133491597

You know that caffeine is a stimulant, and you are curious about the effect that is has on heart rate. You design an experiment to test the effects of caffeine on the heart rate of Daphnia. You obtain 240 Daphnia and divide them into 6 groups, two beakers for each treatment, that will receive: 0%, 1%, 2%, 3%, 4%, and 5% caffeine water solution.

1. Compose a hypothesis for the experiment.

2. Identify the independent variable, ... the dependent variable.

3. What are some variables you would want to remain the same during the experiment?

4. Identify the control group. Why is a control group important?

5. Why would you use two beakers for each treatment, or what is the purpose of the repetition?

Reference no: EM133491597

Questions Cloud

Explain the concept of culture shock by imagining : Explain the concept of culture shock by imagining that a person who lived in the United States in the 1860s time traveled to the United States of today.
Drug egichloins prevents the spindle microtubules : The drug egichloins prevents the spindle's microtubules from forming or growing. Would a cell that was missing the kinetochores on one of its chromosomes
Determine the total dollar amount of lees profit : Determine the total dollar amount of Lees profit or loss from his position inthe call option and What effect does "marking to market" have on futures contract
What is the price per share of the acquiring firm : What is the price of TargetCo immediately after the announcement? What is the price per share of the combined corporation after the acquisition is completed
About the effect that is has on heart rate : you are curious about the effect that is has on heart rate. You design an experiment to test the effects of caffeine on the heart rate of Daphnia.
Create an annual pro forma post-graduation budget : Create an annual pro forma post-graduation budget in Excel for a digital marketing analyst. Estimate income that you will earn from your job one year
Why do nervous system structures have both : Explain the difference between white matter and grey matter. Why do nervous system structures have both?
What do you think the director means by the lottery : What do you think the director means by The Lottery of Birth and These two facts about human existence pose difficult questions for any society
What organism caused the outbreak and what happened : What organism caused the outbreak? What happened? What food was contaminated? How was the food contaminated? If this information is included in the report

Reviews

Write a Review

Biology Questions & Answers

  Immune response to infectious disease

It is a very curcial concept to understand how the immune response is mounted against viruses, bacteria, protozoans and helminthes. For an effective immune response, both innate and adaptive immunity should work together.

  A review on advanced glycated end products (ages)

This Project report elaborates a critical review of important elements attached to Advanced Glycated End Products (AGEs). It is very crucial to understand the process called Millard reaction.

  Plastic as a soil stabilizer

Soil stabilization is the permanent physical and chemical alteration of soils to enhance their physical properties. Stabilization can increase the shear strength of a soil and control the shrink-swell properties.

  Principles of microbiology

This assignment has three parts which contains questions related to Microbiology. It contains basic principles of microscopy, staining techniques in microbiology and microbial growth in the food industry.

  List the biologic functions

Lipid metabolites are often seen as key elements in cellular signaling. Is this unique? Please provide several examples of the function of lipids as key elements in signal arrays and list the biologic functions these signals affect?

  Biologic function relationships

Please describe how one might search for chemical structure, biologic function relationships, involving small molecular weight lipophylic compounds. Provide one example.

  Case study on patient in the haematology laboratory

Write a case study which detailing a scenario of a patient being investigated in the Haematology laboratory.

  Use of pcr and genetic approaches in biotechnology

The use of PCR and genetic approaches in biotechnology

  Describe the role of this enzyme in honey

Glucose oxidase is an enzyme that can be used for measurements of glucose levels by combining this reaction with an oxygen probe.

  Genetic problems

What phenotypic ratio would you get if you crossed a white mouse and a heterozygous brown mouse?

  Prepare an essay on nosocomial infection

Prepare an essay on nosocomial infection.

  Monitoring and recording the blood pressure

To increase the awareness of monitoring and recording the blood pressure of patients and practice measuring blood pressure in a safe environment.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd