Nonprotein Nitrogen Compounds Flashcards
What are nonprotein nitrogen compounds?
Compounds that contain nitrogen but are not incorporated into proteins.
True or False: Nonprotein nitrogen compounds can be used by organisms for protein synthesis.
True.
Give an example of a nonprotein nitrogen compound.
Urea.
Which nonprotein nitrogen compound is primarily found in urine?
Urea.
Fill in the blank: Nonprotein nitrogen compounds are important in the _____ cycle.
Nitrogen.
What is the main source of nonprotein nitrogen in animal feed?
Urea and other nitrogenous compounds.
True or False: Ammonia is a nonprotein nitrogen compound.
True.
What role do nonprotein nitrogen compounds play in ruminant nutrition?
They provide nitrogen for microbial protein synthesis.
Which of the following is NOT a nonprotein nitrogen compound: a) Urea b) Ammonia c) Glucose?
c) Glucose.
What is the significance of nonprotein nitrogen in agricultural practices?
They can enhance the protein content of animal feed.
How are nonprotein nitrogen compounds metabolized in the body?
They are converted into amino acids by microorganisms or liver enzymes.
List two types of nonprotein nitrogen compounds.
Urea and ammonium salts.
True or False: Nonprotein nitrogen compounds can contribute to environmental pollution.
True.
What is the primary function of nonprotein nitrogen in fertilizers?
To supply nitrogen for plant growth.
Fill in the blank: Nonprotein nitrogen compounds are often used in _____ formulations for livestock.
Feed.
What is the impact of excessive nonprotein nitrogen in animal diets?
It can lead to toxicity and health issues.
Which nonprotein nitrogen compound is a byproduct of protein metabolism?
Urea.
True or False: Nonprotein nitrogen compounds are not essential for human nutrition.
True.
What is the process by which nonprotein nitrogen is converted into protein in ruminants?
Microbial fermentation.
What type of nonprotein nitrogen is commonly used in livestock feeds?
Urea.
Fill in the blank: The term ‘NPN’ stands for _____ nitrogen.
Nonprotein.
What is one advantage of using nonprotein nitrogen in animal diets?
Cost-effectiveness.
True or False: Nonprotein nitrogen compounds are only found in animal products.
False.
Which enzyme is responsible for the hydrolysis of urea in the rumen?
Urease.
What environmental issue can arise from the overuse of nonprotein nitrogen in agriculture?
Water pollution due to nitrogen runoff.
Fill in the blank: Nonprotein nitrogen can be a source of _____ for rumen microbes.
Nitrogen.
What is a common method for assessing nonprotein nitrogen levels in feed?
Chemical analysis.
True or False: Nonprotein nitrogen is only beneficial for ruminants.
False.
What is the primary concern with the use of nonprotein nitrogen in animal feed?
Potential toxicity and imbalanced nutrition.
Fill in the blank: The efficiency of nonprotein nitrogen utilization is influenced by _____ availability.
Energy.
How does the microbial population in the rumen affect nonprotein nitrogen utilization?
Different microorganisms can utilize nonprotein nitrogen differently.
What is the effect of nonprotein nitrogen on the protein efficiency ratio in livestock?
It can improve the ratio by enhancing protein synthesis.
True or False: Nonprotein nitrogen compounds can be used in aquaculture.
True.
What is the relationship between nonprotein nitrogen and amino acids?
Nonprotein nitrogen must be converted to amino acids for protein synthesis.
Fill in the blank: The use of nonprotein nitrogen in feed requires careful _____ management.
Nutritional.
What is one method to reduce nitrogen waste in animal production systems?
Optimizing nonprotein nitrogen use.
What are the potential benefits of including nonprotein nitrogen in ruminant diets?
Cost savings and improved nitrogen utilization.
True or False: Nonprotein nitrogen sources are interchangeable with protein sources in animal diets.
False.
What is the role of nonprotein nitrogen in the nitrogen cycle?
They contribute to nitrogen availability in ecosystems.
What is uric acid?
Uric acid is a waste product formed from the breakdown of purines, which are found in certain foods and drinks.
True or False: Uric acid is primarily excreted by the kidneys.
True
Fill in the blank: High levels of uric acid in the blood can lead to ______.
gout
What is the normal range of uric acid levels in the blood for men?
3.4 to 7.0 mg/dL
Which of the following foods is high in purines? (a) Chicken (b) Broccoli (c) Apples (d) Rice
a) Chicken
What condition is characterized by the accumulation of uric acid crystals in joints?
Gout
True or False: Uric acid can form kidney stones.
True
What lifestyle change can help lower uric acid levels?
Reducing alcohol intake
What medication is commonly used to lower uric acid levels?
Allopurinol
Identify one potential cause of elevated uric acid levels.
Dehydration
