Question

How has industrial biotechnology been used in the production of silk protein?(1 point)
Responses

Silk proteins were modified to make them easier to handle.
Silk proteins were modified to make them easier to handle.

Silk proteins were modified to make them stronger.
Silk proteins were modified to make them stronger.

Goat genes were modified to produce silk in goat’s milk.
Goat genes were modified to produce silk in goat’s milk.

Spider genes were modified to increase the diameter of silk strands.

Answer 1

"Goat genes were modified to produce silk in goat’s milk."

Explanation: Companies have inserted spider-silk genes into goats so the animals express silk proteins in their milk, which can then be purified and spun into fibers.