I wanna say it’s b but if not I’m so sorry !
1. A
2. A
3. B
Those are all the answers
A dichotomous key involves 3 keys
Biosynthesis is a multi-step, enzyme-catalyzed process where substratesare converted into more complex products in living organisms. Examples of these biosyntheticpathways include the production of lipid membrane components and nucleotides. Biosynthesis is usually synonymous with anabolism.