1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
geniusboy [140]
3 years ago
9

Although we consider it non-fat, skim milk actually has very low levels of lipids. therefore, it should test positive with sudan

solution. why is the sudan test for skim milk negative?
Biology
2 answers:
mina [271]3 years ago
7 0

Answer:

Sudan reagent is used for identification of fats and lipids in the food, feacal and other biological fluids. It gives red color in the presence of lipids and fats. The amount of lipid in the skimmed milk is negliable or very low. Therefore, the Sudan test is negative in skimmed milk.

Anuta_ua [19.1K]3 years ago
7 0

Ans.

Sudan test is a method to detect presence of lipoproteins, lipids, and triglycerides in samples. The presence of lipids is detectable by change in color of Sudan dye.

Non-fat or skim milk contains a small of amount of lipids, so the result should be positive when Sudan test is performed with skim milk.

Although, skim milk contains very little concentration of lipids, due to which the change is color during test is undetectable. Thus, skim milk gives negative results with Sudan test.  

You might be interested in
Write a short note on malaria as a disease its causative, target organs symptoms and control.
anastassius [24]

Answer:

Explanation:Malaria is a life-threatening disease. It’s typically transmitted through the bite of an infected Anopheles mosquito. Infected mosquitoes carry the Plasmodium parasite. When this mosquito bites you, the parasite is released into your bloodstream.

Once the parasites are inside your body, they travel to the liver, where they mature. After several days, the mature parasites enter the bloodstream and begin to infect red blood cells.

Within 48 to 72 hours, the parasites inside the red blood cells multiply, causing the infected cells to burst open.

The parasites continue to infect red blood cells, resulting in symptoms that occur in cycles that last two to three days at a time.

Malaria is typically found in tropical and subtropical climates where the parasites can live.

What causes malaria?

Malaria can occur if a mosquito infected with the Plasmodium parasite bites you. There are four kinds of malaria parasites that can infect humans: Plasmodium vivax, P. ovale, P. malariae, and P. falciparum.

P. falciparum causes a more severe form of the disease and those who contract this form of malaria have a higher risk of death. An infected mother can also pass the disease to her baby at birth. This is known as congenital malaria.

Malaria is transmitted by blood, so it can also be transmitted through:

an organ transplant

a transfusion

use of shared needles or syringes.

Symptoms of Malaria

The symptoms of malaria typically develop within 10 days to 4 weeks following the infection. In some cases, symptoms may not develop for several months. Some malarial parasites can enter the body but will be dormant for long periods of time.

Common symptoms of malaria include:

shaking chills that can range from moderate to severe

high fever

profuse sweating

headache

nausea

vomiting

abdominal pain

diarrhea

anemia

muscle pain

convulsions

coma

bloody stools.

Diagnosis and Treatment : infected person is diagnosed and treated with ACT drugs.

6 0
3 years ago
Read 2 more answers
Lonic bonds form when __________
igor_vitrenko [27]

Answer: b. one atom transfers an electron to another atom

         

Explanation:

An ionic bond is also called as the electrovalent bond. It is a type of linkage that is formed by the electrostatic attraction formed between ions of opposite charge in a chemical compound.

These bonds are formed when the valence electrons from one of the atom are transferred to the another atom.

8 0
3 years ago
Natural selection are those that are controlled by ____________________ (the environment, genes).
Rasek [7]
The environment is your correct answer<span />
3 0
3 years ago
Which describes one way that renewable resources differ from nonrenewable resources? Renewable resources make cleaner energy. It
Assoli18 [71]

Answer:

Renewable resources make cleaner energy. It takes longer to replenish renewable resources. Renewable resources are more easily located and harvested. It often costs much less to produce energy from renewable resources.

7 0
2 years ago
Read 2 more answers
What is the name of this leaf​
IrinaVladis [17]

Answer:

A beam leaf

Explanation:

5 0
3 years ago
Other questions:
  • Why must scientists use satellites to gather data on Uv radiation
    14·1 answer
  • ___________ claims are initiated by the parent and/or child based on the harm suffered as a result of being born.
    13·1 answer
  • What are the only types of mutations that matter to large-scale evolution?
    14·1 answer
  • What happens to grasslands and wetlands as forests are used up?
    8·2 answers
  • why is it important that our sex cells only contain one set of chromosomes instead of two sets of chromosomes
    11·1 answer
  • Which animal could a polar bear mate with to produce offspring?
    8·2 answers
  • Animals eat plants and produce carbon dioxide and water. How do animals affect the amount of carbon in Earth's atmosphere?
    7·1 answer
  • What must a cell do first to divide successfully
    8·2 answers
  • Nancy is about to give a presentation to her school’s advisory board about some upcoming changes to their Nursing program. She w
    9·2 answers
  • Explain why countercurrent flow met the goals and why parallel flow did not meet the goals.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!