Use the following information to answer the question.
"Marine cone snails from the genus Conus are estimated to consist of up to 700 species. These predatory molluscs have devised an efficient venom apparatus that allows them to successfully capture polychaete worms, other molluscs, or in some cases fish as their primary food sources. conotoxins from Australian species of Conus . . . have the capacity to inhibit specifically the nicotinic acetylcholine receptors in higher animals." (B. G. Livett, K. R. Gayler, and Z. Khalil. 2004. Drugs from the sea: Conopeptides as potential therapeutics. Current Medicinal Chemistry 11: 1715-23 .)
What is the adaptive value of this toxin?
I) It would cause muscle spasms in the prey.
II) It would result in paralysis of the skeletal muscle of the prey.
III) It would stimulate digestive tract smooth muscle to cause nausea and vomiting of the prey.
A) only I
B) only II
C) only III
D) only I and II

Question

doody4136 doody4136

23-08-2022
Biology

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Use the following information to answer the question.
"Marine cone snails from the genus Conus are estimated to consist of up to 700 species. These predatory molluscs have devised an efficient venom apparatus that allows them to successfully capture polychaete worms, other molluscs, or in some cases fish as their primary food sources. conotoxins from Australian species of Conus . . . have the capacity to inhibit specifically the nicotinic acetylcholine receptors in higher animals." (B. G. Livett, K. R. Gayler, and Z. Khalil. 2004. Drugs from the sea: Conopeptides as potential therapeutics. Current Medicinal Chemistry 11: 1715-23 .)
What is the adaptive value of this toxin?
I) It would cause muscle spasms in the prey.
II) It would result in paralysis of the skeletal muscle of the prey.
III) It would stimulate digestive tract smooth muscle to cause nausea and vomiting of the prey.
A) only I
B) only II
C) only III
D) only I and II

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Tutorconsortium357 Tutorconsortium357 · Answer 1 · 2022-08-25T13:51:50+02:00

The option A is correct. Conopeptides from the marine cone snails are a combination of cysteine-rich energetic peptides, representing a special and fertile aid for neuroscience lookup and drug discovery.

The ConoServer database consists of 8,134 conopeptides from 122 Conus species, yet many extra herbal conopeptides stay to be discovered.

What is Conotoxin made from?

Conotoxins, or conopeptides, are chemical substances made by means of marine snails that live in shallow waters of the Atlantic, Pacific and Indian Oceans. These snails have lovely shells that make them prime objectives for collectors. Snails use conotoxins to paralyse prey, such as different molluscs, worms and fish.

Is conotoxin a neurotoxin?

A conotoxin is one of a crew of neurotoxic peptides remoted from the venom of the marine cone snail, genus Conus.

Learn more about conotoxin here:

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What is Conotoxin made from?

Is conotoxin a neurotoxin?

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