You are given a science question (hard-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.

Scientists discovered that although infectious bacteria may develop immunity to antibiotic medications, some bacteria are unable to resist certain peptides, which act as natural antibiotic substances inside the human body. This discovery led to the development of which new technology?  
 (A) artificial substances that mimic human peptides (B) antibiotics that can be absorbed through the skin (C) bacteria that attack antibiotic-resistant organisms (D) antibiotics that adapt in response to bacterial immunity
A

During which phase of meiosis does the separation of homologous chromosomes occur?  
 (A) prophase (B) anaphase (C) metaphase (D) telophase
B

A main function of a plant's seed is to  
 (A) store food to be used during early development (B) attract pollen to be used during development (C) take in light energy to be used during photosynthesis (D) produce chlorophyll to be used during photosynthesis

A