STEP 1 You are given a bottle of Dye X and three bottles containing clear liquids as shown below. Solutions I and | contain chemicals dissolved in water, but you do not know what these chemicals are; this is why they are labeled “unk own". 6 B B Dye X Unknown Solution l Unknown Solution | Water Which of the samples represents the control and which represents the experimental samples?

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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chemical to of chemical formulas.) You add Dye X to each bottle, and observe what happens.
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1
Lab 1
Problem Solving
Using the Scientific Method
Problem Solving Using the Scientific Method
Introduction to Biology- BIO-105
Objective
Biologists and other scientists continually study the world around them and identify problems that need to be solved. The
scientific method is a process that enable scientists to systematically solve problems by making careful observations,
asking questions, formulating hypotheses and devising experiments to test their hypotheses.
2
Problem Solving Using the Scientific Method
Objective
Biologists and other scientists continually study the world around them and identify problems that need to be solved
scientific method is a process that enable scientists to systematically solve problems by making careful observation:
asking questions, formulating hypotheses and devising experiments to test their hypotheses.
This methodical approach ensures the rigor of scientific discovery, and is therefore important for biology students to
The purpose of this lab activity is to give you experience solving a problem using the scientific method. You will mak
observations, ask questions, formulate a hypothesis and predict the outcome of an experiment.
Introduction
In this lab, you will be using an indicator dye called Dye X. Dyes are chemicals that change the colors of substance
will observe how the Dye X causes color changes when it is added to solutions containing various chemicals.
This methodical approach ensures the rigor of scientific discoverv, and is therefore important for biology students to learn
The purpose of this lab activity is to give you experience solving a problem using the scientific method. You will make
observations, ask questions, formulate a hypothesis and predict the outcome of an experiment.
This is an animated presentation, so make sure you are in Slide Show before beginning. Pause between slides to a
the questions at the bottom of each slide. Your answers will help you reply to questions in the assignment
To help you with this lab, review the PowerPoints on the Scientific Method. Some of the questions in this lal
Chapter 2. Refer to the Ch. 2 PowerPoint and read the
relate to material covered
sections in the
textbook.
3.
STEP 1
shown below. Solutions I am
You are given a bottle of Dye X and three bottles containing clear liquids
contain chemicals dissolved in water, but you do not know what these chemicals are; this is why they ai
labeled "unk own".
Introduction
In this lab, you will be using an indicator dye called Dye X. Dyes are chemicals that change the colors of substances. Yo
will observe how the Dye X causes color changes when it is added to solutions containing various chemicals.
Dye X
Unknown Solution I
Unknown Solution II
Water
Which of the samples represents the control and which represents the experimental samples?
This is an animated presentation, so make sure you are in Slide Show before beginning. Pause between slides to answe
the questions at the bottom of each slide. Your answers will help you reply to questions in the assignment
4
STEP 2
You add three drops of Dye X to the clear liquids in each bottle and observe what happens.
To help you with this lab, review the PowerPoints on the Scientific Method. Some of the questions in this lab
relate to material covered in Chapter 2. Refer to the Ch. 2 PowerPoint and read the relevant sections in the
Dye X
Unknown Solution I
Unknown Solution II
Water
After you observed what happened when Dye X was added to each liquid, what question did you ask
yourself?
textbook.
Lab 1
Problem Solving
Using the Scientific Method
5
STEP 3
Introduction to Blology Bo-105
You are then given 4 additional solutions. Each of them contain chemicals dissolved in water. The
al formula for the chemical in each solution is listed. (See the Chapter 2 PowerPoint for an
Slide 2 of 6
English (United States)
= Notes
Comments
TIZ70
11
NOV
15
Transcribed Image Text:chemical to of chemical formulas.) You add Dye X to each bottle, and observe what happens. PowerPoint File Edit View Insert Format Arrange Tools Slide Show Window Help 37% O Mon 11:48 PM Aman Getu Q AutoSave P Lab 1 Problem Solving Using The Scientific Method OFF Home Insert Draw Design Transitions Animations Slide Show Review View Tell me A Share Comments X Cut Layout v Arial 18 A Shape Fill v Сору v Reset New Slide AV A Design Ideas Picture Shapes Quick Styles Paste U ab x v Aa v Convert to Тext Arrange Shape Outline v Format Section v SmartArt Воx 1 Lab 1 Problem Solving Using the Scientific Method Problem Solving Using the Scientific Method Introduction to Biology- BIO-105 Objective Biologists and other scientists continually study the world around them and identify problems that need to be solved. The scientific method is a process that enable scientists to systematically solve problems by making careful observations, asking questions, formulating hypotheses and devising experiments to test their hypotheses. 2 Problem Solving Using the Scientific Method Objective Biologists and other scientists continually study the world around them and identify problems that need to be solved scientific method is a process that enable scientists to systematically solve problems by making careful observation: asking questions, formulating hypotheses and devising experiments to test their hypotheses. This methodical approach ensures the rigor of scientific discovery, and is therefore important for biology students to The purpose of this lab activity is to give you experience solving a problem using the scientific method. You will mak observations, ask questions, formulate a hypothesis and predict the outcome of an experiment. Introduction In this lab, you will be using an indicator dye called Dye X. Dyes are chemicals that change the colors of substance will observe how the Dye X causes color changes when it is added to solutions containing various chemicals. This methodical approach ensures the rigor of scientific discoverv, and is therefore important for biology students to learn The purpose of this lab activity is to give you experience solving a problem using the scientific method. You will make observations, ask questions, formulate a hypothesis and predict the outcome of an experiment. This is an animated presentation, so make sure you are in Slide Show before beginning. Pause between slides to a the questions at the bottom of each slide. Your answers will help you reply to questions in the assignment To help you with this lab, review the PowerPoints on the Scientific Method. Some of the questions in this lal Chapter 2. Refer to the Ch. 2 PowerPoint and read the relate to material covered sections in the textbook. 3. STEP 1 shown below. Solutions I am You are given a bottle of Dye X and three bottles containing clear liquids contain chemicals dissolved in water, but you do not know what these chemicals are; this is why they ai labeled "unk own". Introduction In this lab, you will be using an indicator dye called Dye X. Dyes are chemicals that change the colors of substances. Yo will observe how the Dye X causes color changes when it is added to solutions containing various chemicals. Dye X Unknown Solution I Unknown Solution II Water Which of the samples represents the control and which represents the experimental samples? This is an animated presentation, so make sure you are in Slide Show before beginning. Pause between slides to answe the questions at the bottom of each slide. Your answers will help you reply to questions in the assignment 4 STEP 2 You add three drops of Dye X to the clear liquids in each bottle and observe what happens. To help you with this lab, review the PowerPoints on the Scientific Method. Some of the questions in this lab relate to material covered in Chapter 2. Refer to the Ch. 2 PowerPoint and read the relevant sections in the Dye X Unknown Solution I Unknown Solution II Water After you observed what happened when Dye X was added to each liquid, what question did you ask yourself? textbook. Lab 1 Problem Solving Using the Scientific Method 5 STEP 3 Introduction to Blology Bo-105 You are then given 4 additional solutions. Each of them contain chemicals dissolved in water. The al formula for the chemical in each solution is listed. (See the Chapter 2 PowerPoint for an Slide 2 of 6 English (United States) = Notes Comments TIZ70 11 NOV 15
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1
Lab 1
Problem Solving
Using the Scientific Method
STEP 1
Introduction to Biology- BIO-105
You are given a bottle of Dye X and three bottles containing clear liquids as shown below. Solutions I and II
contain chemicals dissolved in water, but you do not know what these chemicals are; this is why they are
labeled "unk own".
Problem Solving Using the Scientific Method
Objective
Biologists and other scientists continually study the world around them and identify problems that need to be solved
scientific method is a process that enable scientists to systematically solve problems by making careful observation:
asking questions, formulating hypotheses and devising experiments to test their hypotheses.
This methodical approach ensures the rigor of scientific discovery, and is therefore important for biology students to
The purpose of this lab activity is to
observations, ask questions, formulate a hypothesis and predict the outcome of an experiment.
a problem using the scientific method. You will mak
Introduction
In this lab, you will be using an indicator dye called Dye X. Dyes are chemicals that change the colors of substance
will observe how the Dye X causes color changes when it is added to solutions containing various chemicals.
This is an animated presentation, so make sure you are in Slide Show before beginning. Pause between slides to a
the questions at the bottom of each slide. Your answers will help you reply to questions in the assignment
To help you with this lab, review the PowerPoints on the Scientific Method. Some of the questions in this lal
relate to material covered in Chapter 2. Refer to the Ch. 2 PowerPoint and read the relevant sections in the
textbook.
3
STEP 1
shown below. Solutions I an
You are given a bottle of Dye X and three bottles containing clear liquids
contain chemicals dissolved in water, but you do not know what these chemicals are; this is why they a
labeled "unk own".
Dye X
Unknown Solution I
Unknown Solution II
Water
Which of the samples represents the control and which represents the experimental samples?
Dye X
Unknown Solution I
Unknown Solution II
Water
4
STEP 2
You add three drops of Dye X to the clear liquids in each bottle and observe what happens.
Which of the samples represents the control and which represents the experimental samples?
Dye X
Unknown Solution I
Unknown Solution II
Water
After you observed what happened when Dye X was added to each liquid, what question did you ask
yourself?
3
Prlem ing using he elenit Methe
5
STEP 3
nnd e bye Dy he enge
You are then given 4 additional solutions. Each of them contain chemicals dissolved in water. The
al formula for the chemical in each solution is listed. (See the Chapter 2 PowerPoint for an
explanation of chemical formulas.) You add Dye X to each bottle, and observe what happens.
ho e P
Slide 3 of 6
English (United States)
= Notes
Comments
TIZ70
11
NOV
15
Transcribed Image Text:PowerPoint File Edit View Insert Format Arrange Tools Slide Show Window Help 37% O Mon 11:48 PM Aman Getu Q AutoSave P Lab 1 Problem Solving Using The Scientific Method OFF Home Insert Draw Design Transitions Animations Slide Show Review View Tell me A Share Comments X Cut Layout v Arial 18 A Shape Fill v Сору v Reset New Slide AV A Design Ideas Picture Shapes Quick Styles Paste U ab x v Aa v Convert to Тext Arrange Shape Outline v Format Section v SmartArt Воx 1 Lab 1 Problem Solving Using the Scientific Method STEP 1 Introduction to Biology- BIO-105 You are given a bottle of Dye X and three bottles containing clear liquids as shown below. Solutions I and II contain chemicals dissolved in water, but you do not know what these chemicals are; this is why they are labeled "unk own". Problem Solving Using the Scientific Method Objective Biologists and other scientists continually study the world around them and identify problems that need to be solved scientific method is a process that enable scientists to systematically solve problems by making careful observation: asking questions, formulating hypotheses and devising experiments to test their hypotheses. This methodical approach ensures the rigor of scientific discovery, and is therefore important for biology students to The purpose of this lab activity is to observations, ask questions, formulate a hypothesis and predict the outcome of an experiment. a problem using the scientific method. You will mak Introduction In this lab, you will be using an indicator dye called Dye X. Dyes are chemicals that change the colors of substance will observe how the Dye X causes color changes when it is added to solutions containing various chemicals. This is an animated presentation, so make sure you are in Slide Show before beginning. Pause between slides to a the questions at the bottom of each slide. Your answers will help you reply to questions in the assignment To help you with this lab, review the PowerPoints on the Scientific Method. Some of the questions in this lal relate to material covered in Chapter 2. Refer to the Ch. 2 PowerPoint and read the relevant sections in the textbook. 3 STEP 1 shown below. Solutions I an You are given a bottle of Dye X and three bottles containing clear liquids contain chemicals dissolved in water, but you do not know what these chemicals are; this is why they a labeled "unk own". Dye X Unknown Solution I Unknown Solution II Water Which of the samples represents the control and which represents the experimental samples? Dye X Unknown Solution I Unknown Solution II Water 4 STEP 2 You add three drops of Dye X to the clear liquids in each bottle and observe what happens. Which of the samples represents the control and which represents the experimental samples? Dye X Unknown Solution I Unknown Solution II Water After you observed what happened when Dye X was added to each liquid, what question did you ask yourself? 3 Prlem ing using he elenit Methe 5 STEP 3 nnd e bye Dy he enge You are then given 4 additional solutions. Each of them contain chemicals dissolved in water. The al formula for the chemical in each solution is listed. (See the Chapter 2 PowerPoint for an explanation of chemical formulas.) You add Dye X to each bottle, and observe what happens. ho e P Slide 3 of 6 English (United States) = Notes Comments TIZ70 11 NOV 15
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Follow-up Question

Based on what you have observed, which of the following is an appropriate hypothesis that specifically explains the observed color changes? 

Select one or more:
a.

When Dye X is added to an acidic solution it will cause the solution to turn yellow, and when added to a neutral solution, it will cause the solution to turn blue. 

b.

When Dye X is added to solutions it causes a color change. This is because the dye reacts with chemicals in the solutions.

c.

When Dye X is added to an acidic solution it will cause the solution to turn yellow, and when added to a basic solution, it will cause the solution to turn blue. 

d.

When Dye X is added to an acidic solution it will cause the solution to turn blue, and when added to a basic solution, it will cause the solution to turn yellow. 

e.

When Dye X is added to a neutral solution it will cause the solution to turn yellow, and when added to a basic solution, it will cause the solution to turn blue. 

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