Answer:
n stage 13, all four limb buds are present. In stage 13, the upper limb buds resemble flippers. In stage 23, the upper limb shows well-formed arm, elbow, wrist, and fingers. In stage 23, the lower limb shows well-formed toes, feet, and knees.
Explanation:
Answer:
Protein
Explanation:
Gel electrophoresis is a technique used to separate DNA fragments according to their size.
Answer:
Damaged cells are replaced
Organisms that obtain enegy from the food they consume is called a heterotroph or consumer
