Spider Silk: Nature's Engineering Marvel

The video explores the unique properties of spider silk, its historical uses, and the challenges in mass production. It delves into the biology and evolution of spiders, highlighting the silk's strength and flexibility. Despite its potential applications in various industries, mass production remains difficult. Scientists are exploring genetic modification and other methods to replicate spider silk's properties. The video also discusses the future prospects of spider silk in textiles, medicine, and aviation.

What is the primary reason humans have been fascinated by spider silk for thousands of years?

• Its vibrant color

• Its magical properties

• Its availability

• Its cost-effectiveness

What was the primary use of silk by the earliest known proto-spiders?

• Building nests

• Catching prey

• Covering their eggs or lining their burrows

• Weaving webs

Which type of silk is known as the spider's lifeline?

• Flagella form silk

• Major ampullate silk

• Aggregate silk

• Dragline silk

What is the tensile strength of the golden orb spider's silk?

• 3.0 gigapascals

• 0.4 gigapascals

• 2.5 gigapascals

• 1.6 gigapascals

Why is mass production of spider silk challenging?

• Spiders are herbivorous

• Spiders prefer living in groups

• Spiders produce silk only once in their lifetime

• Spiders are carnivorous and exhibit cannibalism

Which organism has been genetically modified to produce spider silk proteins in their milk?

• Goats

• Sheep

• Pigs

• Cows

What is the main advantage of using silkworms to produce spider silk?

• They produce larger proteins

• They have the necessary spinning apparatus

• They are easier to genetically modify

• They produce silk faster

What is the primary drawback of using genetically modified bacteria to produce spider silk?

• Bacteria are difficult to modify

• Bacteria cannot produce silk

• Bacteria produce smaller proteins

• Bacteria cannot replicate quickly

Which company collaborated with AMSilk to develop a concept sneaker made from spider silk?

• Puma

• Adidas

• Reebok

• Nike

What process do termites use to build their massive structures?

• Biocementation

• Photosynthesis

• Fermentation

• Calcification