Physical structures..........
Answer:
The stage of cellular respiration which yields the most ATP is the electron transport chain.
Explanation:
The answers to the pictures shown are
1. (unbalanced) translocation
2. deletion
3. inversion
4. duplication
A. The birds had beaks that were adapted for feeding differently
Answer:
any of numerous complex proteins that are produced by living cells and catalyze specific biochemical reactions at body temperatures