/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 19 Aflatoxins are produced by a: ... [FREE SOLUTION] | 91Ó°ÊÓ

91Ó°ÊÓ

Aflatoxins are produced by a: (a) Bacterium (b) Virus (c) Unknown organism (d) Fungus (e) Protozoan

Short Answer

Expert verified
Aflatoxins are produced by a fungus.

Step by step solution

01

Understanding the Question

The question asks us to identify the type of organism that produces aflatoxins. Aflatoxins are known to be a type of mycotoxin.
02

Consider the Options

The options are: (a) Bacterium, (b) Virus, (c) Unknown organism, (d) Fungus, and (e) Protozoan. We need to choose the correct type of organism from these options.
03

Recall Relevant Information

Aflatoxins are specific chemicals known to be produced by certain types of fungi, especially those belonging to the genus Aspergillus.
04

Select the Correct Answer

Given the information that aflatoxins are produced by fungi, the correct answer is (d) Fungus.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91Ó°ÊÓ!

Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Mycotoxins
Aflatoxins are an example of mycotoxins, which are toxic compounds produced by certain fungi. These substances can contaminate crops and pose health risks to humans and animals. Mycotoxins are often found in grains, nuts, and other food products when the conditions are favorable for fungal growth.
- Some common types of mycotoxins include aflatoxins, ochratoxin A, and fumonisins.
- They are known for their potential to cause diseases such as liver damage and cancer.
It is important to monitor food products and implement safety measures to reduce the risk of mycotoxin contamination.
Authorities around the world have set limits on acceptable levels of these toxins in food to protect public health.
Aspergillus
Aspergillus is a genus of fungi which is widely known for its ability to produce mycotoxins like aflatoxins. There are many different species within this genus, some of which can be found indoors and outdoors.
- Common species producing aflatoxins include *Aspergillus flavus* and *Aspergillus parasiticus*.
- These fungi thrive well in warm, humid environments and can easily colonize food products.
While Aspergillus is known for its potential harms through toxin production, some species are also utilized beneficially in food fermentation and for producing enzymes.
Understanding the conditions that favor Aspergillus growth can help in creating preventive measures against contamination.
Fungi
Fungi are a diverse group of organisms that include moulds, yeasts, and mushrooms. They play integral roles in our ecosystem, such as decomposing organic matter and forming symbiotic relationships with plants.
- Fungi reproduce through tiny spores and can grow in a range of environments.
- They obtain nutrients by breaking down organic material, making them essential recyclers in the environment.
However, some fungi produce harmful substances like mycotoxins, including aflatoxins produced by specific fungi such as Aspergillus.
To manage fungal risks in agriculture and food storage, it is crucial to control moisture levels, monitor temperatures, and use proper storage techniques.

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Periodontal disease occurs when bacteria become trapped in gingival crevices where they cause tooth decay, gum inflammation, and erosion of periodontal ligaments and alveolar bone that supports teeth. True or false?

Which of the following is NOT true about dental plaque? (a) It is an intermittently formed coating of microbes and organic matter on tooth surfaces that serve as the first step in tooth decay and gum disease. (b) It begins as positively charged salivary proteins adhere to negatively charged enamel surfaces, forming a pellicle (film) over the tooth surface. (c) Streptococcus mutans attaches to the pellicle where it hydrolyzes sucrose to fructose and glucose, or polymers of glucose that serve as bridges, holding together cells in plaque. (d) Plaque consists of up to 30 different genera of bacteria and their products, such as polymers of glucose (dextran), saliva proteins, and minerals. (e) Plaque that is allowed to accumulate in crevices near the gumline can change into anaerobic pockets full of bacteria that can irritate the gums or destroy underlying bone.

A viral disease caused by paramyxoviruses that affect glands of the oral cavity, and sometimes other non-oral cavity glands and meninges, is called: (a) Measles (b) Mumps (c) Rubeola (d) AIDS (e) Thrush

Match the following bacterial enteric diseases or terms to their descriptions: _____Typhoid fever _____Traveler's diarrhea _____Vibriosis _____Salmonellosis _____Shigellosis _____Asiatic cholera _____Dysentery _____Enteric fever (a) An enteritis caused by ingestion of raw or undercooked contaminated seafood (b) Systemic infection spread from intestinal mucosa (c) Enteritis of the large intestine causing diarrhea (d) Serious enteric fever caused by ingestion of Salmonella typhicontaminated food or water (e) A self-limiting enteritis commonly caused by members of the genus Salmonella and associated with ingestion of improperly prepared, previously contaminated foods (f) Bacillary dysentery caused by serovars of Shigella that can produce fever- eliciting endotoxin and neural-acting Shiga toxin (g) Diarrhea caused most commonly by enteroinvasive or enterotoxigenic strains of Esch erichia coli (h) Associated with fecal contamination of water, this enteritis causes massive electrolyte loss and diarrhea accompanied by severe nausea, vomiting, and abdominal pain

Dental caries occurs when sugars diffuse through plaque to the embedded bacteria, which in turn ferment the sugars into organic ____ , which cannot diffuse out of the area, resulting in a gradual ____ of the enamel. (a) Bases; precipitation (b) Bases; buildup (c) Acids; dissolving (d) Acids; osmosis (e) None of the above

See all solutions

Recommended explanations on Biology Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.