Project on Biology Study Questions
Order ID 53563633773 Type Essay Writer Level Masters Style APA Sources/References 4 Perfect Number of Pages to Order 5-10 Pages Description/Paper Instructions
Project on Biology Study Questions
Learning Outcomes
Write hypothesis statements using biological concepts as a guide.
Determine the independent, dependent, and control variables in the experiment.
Identify the difference between qualitative and quantitative data.
Using indicator solutions, determine the presence of amino acids, proteins, glucose, and starch.
Discuss the interactions of various biological substances with various chemical test reagents.
Discuss the many chemical functional groups in biological molecules and their functions.
Identify chemical function groups in biological compounds and recognize them.
Experiments to be Conducted
Experimentation is the bedrock of scientific knowledge. Experiments are meticulously planned to ensure that the results can be understood. It is critical that all variables be accurately specified, quantified, and controlled when conducting experiments. You will need to identify, measure, and control certain variables in the laboratory experiments in this course, just like a scientist would.
The first stage in conducting an experiment is to formulate a question based on a finding. “Does the amount of nitrogen in the soil in my garden have an impact on the number of tomatoes on the vine?” you might wonder. After that, you’d create a testable hypothesis statement. “I hypothesize that when the nitrogen level in the soil is low, the quantity of tomatoes in my garden will be low,” for example.
a variable that is not controlled
This variable’s value (for example, the amount of nitrogen in the soil) will be set, and it can be set to a variety of values (for example, nitrogen levels could be low, medium, and high).
Variable that is dependent
Depending on the value of the independent variable, the value of the variable will change (for example, the number of tomatoes on the vine will be high when the amount of nitrogen is medium, but the number of tomatoes on the vine will be low when the amount of nitrogen is low and high). The main experimental finding is the value of this variable. You would indicate how the independent variable will affect the dependent variable in a hypothesis statement.
Variable under control
These settings will be set such that they do not change. By keeping these variables constant, you can ensure that they have no effect on the independent or dependent variables (for example, if you set up three different test gardens for low, medium, and high nitrogen soil levels, you’ll want to make sure that they all get the same amount of water and sunlight). Water and sunlight are the variables that you can influence in this situation.)
Experiment outcomes
The outcomes of an experiment can be qualitative or quantitative. Because you can count the amount of tomatoes in the case above, the experimental result is quantitative; that is, you can quantify the outcome. If the dependent variable is the appearance of blotches on the tomatoes, for example, this could be considered a qualitative conclusion because neither the number of blotches nor the number of tomatoes with blotches is quantified. We’re just looking for blotches to see if they’re present. Essentially, we’re assessing the result’s quality.
Molecules in Biology
All stuff is made up of atoms; therefore, living organisms are likewise made up of atoms, and the chemistry of life is discussed. The periodic chart of elements reminds us that chemical elements in particular groups on the left side of the periodic table interact with chemical elements on the right side of the periodic table; for example, sodium chloride NaCl interacts with other elements on the right side of the periodic table (salt).
The interaction of the ingredients that make up living creatures is also crucial. Biological molecules are the building blocks of organelles, cells, tissues, and organs, and they interact with elements and other biological molecules via functional groups, which are collections of elements. A biomolecule with typical amino and carboxyl functional groups is shown in the image below. The “R” group is referred to as a “side chain” since it represents a group of atoms linked to the functional groups.
Sugars (saccharides) include both hydroxyl and aldehyde functional groups. The aldehyde group of saccharides reacts with chemicals in a Benedict reagent test solution. When a specific type of sugar (known as a reducing sugar) is present, the color of the test changes. Monosaccharides like glucose and fructose are sugar reducers.
Peptides are polymers of amino acids that make up proteins. In proteins, there might be a lot of amine/amino functional groups. These groups interact with compounds in the Biuret Test reagent, a test solution. It’s worth noting that some peptides act more like long-strand molecules than proteins. Long strands of peptides have amino groups that can interact with substances in the Biuret Test solution.
Carbohydrates (sugars), lipids (fats), and proteins are the three nutritional categories for macromolecules.
Note that the Benedict and Biuret testing solutions are just examples. In reality, your lab work will necessitate the use of wholly distinct testing solutions.
Getting Started with Biomolecules Lab Activities
Overview of Procedure I
Group 1: Known Sample Solutions – In this technique, you’ll see how different test solutions react (color change) when they’re added to a collection of known sample solutions. This data will be utilized in the next step to figure out what kinds of biomolecules are present in a set of unknown sample solutions.
Overview of Procedure II
Group 2: Unknown Sample Solutions – In this technique, you’ll see how different test solutions respond (color change) when they’re added to a collection of unknown sample solutions. You’ll be able to determine the sort of biomolecule present in each unknown sample solution using information from the preceding technique.
Additional Information and a Form for Activity
The Group 1 Sample Solutions and the Exercise Form required to complete this activity are listed below. The right procedure for submitting your work will be explained to you by your instructor.
Sample Solution for Group 1
A
B
C
D
E
Classification of Biomolecules
sugar
starch
fat
protein
acid (amino)
RUBRIC
QUALITY OF RESPONSE NO RESPONSE POOR / UNSATISFACTORY SATISFACTORY GOOD EXCELLENT Content (worth a maximum of 50% of the total points) Zero points: Student failed to submit the final paper. 20 points out of 50: The essay illustrates poor understanding of the relevant material by failing to address or incorrectly addressing the relevant content; failing to identify or inaccurately explaining/defining key concepts/ideas; ignoring or incorrectly explaining key points/claims and the reasoning behind them; and/or incorrectly or inappropriately using terminology; and elements of the response are lacking. 30 points out of 50: The essay illustrates a rudimentary understanding of the relevant material by mentioning but not full explaining the relevant content; identifying some of the key concepts/ideas though failing to fully or accurately explain many of them; using terminology, though sometimes inaccurately or inappropriately; and/or incorporating some key claims/points but failing to explain the reasoning behind them or doing so inaccurately. Elements of the required response may also be lacking. 40 points out of 50: The essay illustrates solid understanding of the relevant material by correctly addressing most of the relevant content; identifying and explaining most of the key concepts/ideas; using correct terminology; explaining the reasoning behind most of the key points/claims; and/or where necessary or useful, substantiating some points with accurate examples. The answer is complete. 50 points: The essay illustrates exemplary understanding of the relevant material by thoroughly and correctly addressing the relevant content; identifying and explaining all of the key concepts/ideas; using correct terminology explaining the reasoning behind key points/claims and substantiating, as necessary/useful, points with several accurate and illuminating examples. No aspects of the required answer are missing. Use of Sources (worth a maximum of 20% of the total points). 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