Arrange the tiles to show the sequence of the steps in a scientific investigation

Ask question,research,hypothesis,Experiment,data analysis,acceptance and rejections.

Explanation:

1. Purpose of research/Ask a question: Before proceeding to any research first collect the literature materials.View their method of experiment and read their abstracts carefully

2.Research: Design a research protocol so that one can lead their research according to the protocol.

3.Hypothesis:Propose a hypothesis a kind of guesses and effects.Its a essay type of hypothesis changes make possible while going through the written work.

4.Experiment: Design and carry out the experiment to test the hypothesis

5.Data analysis: Analysed the data which is obtained by doing the experiments

6.Acceptance: Disclose your research in front of the resource person to get his comments whether the society accept the findings or reject.

the answer will be a) proteins i believe