Cefalexin was developed through medical biotechnology. It kills disease-causing organisms by preventing them from developing a cell wall. Which term or terms best describes cefalexin?(1 point)
A. vaccine
B. weakened virus
C. bacteria
D. antibiotic
1. antibiotic
2. genetic engineering
3. goat genes were modified to produce silk in goat's milk
4. environmental
5. by increasing production of goods
:D