User Account

All Pages

Presence of lipids in the albumin solution

Assignment Help Biology
Reference no: EM13843035

Biological Macromolecules

Exercise 1: Starch and Sugar

Data Table 1. Benedict's Reagent Data.

Sample

Initial Color

Final Color

Reducing Sugar Present in Sample? Y or N

dH2O

 

 

 

Albumin

 

 

 

Unknown

 

 

 

Milk

 

 

 

Glucose

 

 

 

Data Table 2. Lugol's Iodine Data.

Sample

Initial Color

Final Color

Starch Present in Sample? Y or N

dH2O

 

 

 

Albumin

 

 

 

Unknown

 

 

 

Milk

 

 

 

Starch

 

 

 

Raw Potato

 

 

 

Questions

A. In each of the two tests (starch and sugar) a positive and negative control was used. What was the positive control in each of the tests and what was the negative control. Explain your answers.

B. Did the Benedict's test for reducing sugars net a positive or negative result for milk? Research the sugar content of milk and the definition of a reducing sugar to explain if your result is what you would expect.

C. Based on your results, is sugar and/or starch present in your Unknown? Use your results to explain your answer.

Exercise 2: Proteins and Lipids

Data Table 3. Biuret's Reagent Data.

Sample

Initial Color

Intermediate Color

Final Color

Protein Present in Sample? Y or N

dH2O

 

 

 

 

Albumin

 

 

 

 

Unknown

 

 

 

 

Milk

 

 

 

 

Data Table 4. Lipid Observations.

Sample

Sample Observations

Lipid Present in Sample? Y or N

Distilled water

 

 

Albumin

 

 

Unknown

 

 

Milk

 

 

Vegetable oil

 

 

Questions

A. Review the Data Tables in Exercises 1 and 2. Compare the results of the Unknown for all tests to the results for the various known samples to determine the identity of the Unknown. Explain the identity of the Unknown using your experiment results in the exercises to help explain and support your answer.

B. Eggs are known to contain cholesterol which is a lipid. Did your experiment results indicate a presence of lipids in the albumin solution? Think about this result and where cholesterol is present in eggs to explain how your results support or reject cholesterol in eggs. How could you test this? Explain the experiment that you would perform to test this.

Reference no: EM13843035

Questions Cloud

What is the relevance of the coase theorem in this case : Some years ago, conservation groups paid cattlemen in the Western United States to move their herds away from wild buffalo herds so that the buffalo would have more feed and would not have to compete with the cattle. What is the relevance of the Coas..
Calculate net income to average common stockholders equity : Calculate Net income to average common stockholders' equity, Number of days' sales in accounts receivable (assume 365 days in fiscal year 2011) and Inventory turnover.
Compute edna''s gross income adjusted gross income : Compute Edna's gross income, adjusted gross income, taxable income, and her income tax liability. Edna has no dependents.
Explain how the study of science : Explain how the study of science and the united states constitution are related
Presence of lipids in the albumin solution : Did the Benedict's test for reducing sugars net a positive or negative result for milk? Research the sugar content of milk and the definition of a reducing sugar to explain if your result is what you would expect.
Education is primarily funded through a state-local : Summarize arguments for and against local control and full state funding of public education. (Treat each separately). Education is primarily funded through a state-local partnership with supplemental funding in specific areas from the Federal gove..
Explain strategic issues and the financial issues : A strategic review of the firms examining their core competencies, their industry context, strategic issues and the financial issues which they imply. An accounting analysis assessing the quality of the financial information provided by the fir..
Anticancer targets in the glycolytic metabolism of tumors : Write a critical review on Anticancer targets in the glycolytic metabolism of tumors - a comprehensive reviewpaper.
Complete a standardized work chart to indicate the layout : Complete a Standardized Work Chart to indicate the layout

Reviews

Write a Review

Biology Questions & Answers

  Criminal investigation

A prison guard states that an inmate threw and unknown liquid on him. This is a felony charge of harassment. In order for this charge to be prosecuted, you must show a bodily fluid was thrown on the guard.

  What is the scientific name of the common house mouse

Scientists have figured out how to extract DNA from various cells. Extracting DNA is very important concerning heredity, legal issues, and criminal issues. What is the scientific name of the common house mouse

  What is this phenomenon called

Scientists have found that early fish have lungs and then developed swim bladders. Today humans have lungs and not swim bladders. What is this phenomenon called?

  Q1 which means of transport would most likely be used for

q1. which means of transport would most likely be used for moving a medium-sized molecule like a monosaccharide or an

  Determine type of evolution for the observed changes

Suppose you return the next season and in the newborn weasels you measure a distribution of genotypes that looks like the.

  How to compute the amount of hydrogens in propane

What is the method used that would compute the amount of hydrogens in propane if you only knew the number of carbons.

  Molecular biochemistry

Colonies were then transferred to plates containing a minimum media. To grow on minimum medium, yeast cells must be wild type and able to produced their own amino acids, and nucleotides.

  Draw a pedigree for this family

The M and N blood type alleles are codominant. At the unlinked 1 locus determing the A/B/O blood type, alleles IA and IB are codominant, but both are dominant to i. Both Parents of type a typw MNA woman are MNAB, but her type MNB husband has a typ..

  Oliva is inspecting some specimens under the microscope

Oliva is inspecting some specimens under the microscope. Which of the following could she classify as a common tissue rather than as part of an organ?

  Which domain includes microscopic organisms

Which Domain includes microscopic organisms that can survive in extreme environments such as high temperature or acidic environments? Plantae Eurkaryotes Fungi Prokaryotes Animalia.

  Explain the adaptations of the crabs

In 100 - 200 words concisely explain the adaptations of the crabs to the various abiotic factors in the inter-tidal zone in the mangrove ecosystem which include oxygen levels, salt levels, freshwater availability, pH, wind speed, wave action, and ..

  Define the terms transcription and translation

Define the terms "transcription" and "translation" and explain how these processes result in the expression of genes

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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