Instantiate() vs Awake() vs Start()

CreateObjectTest.cs

public void testCreateObject()   // Testing Instantiate 
{
		float x = Random.Range(-3, 3);
		float y = Random.Range(-3, 3);

		Vector3 position = new Vector3(x, y, 0);

		Debug.Log("Before Instantiate");
		GameObject obj = GameObject.Instantiate(sourceObject, position, Quaternion.identity);
		Debug.Log("After Instantiate");

		obj.transform.SetParent(playSpace);
		Debug.Log("After SetParent");
}

TestObject.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class TestObject : MonoBehaviour {
	private bool mIsFirstUpdate = true;
	void Awake () {
		Debug.Log("TestObject: Awake");
	}

	// Use this for initialization
	void Start () {
		Debug.Log("TestObject: Start");
	}
	
	// Update is called once per frame
	void Update () {
		if(mIsFirstUpdate) {
			Debug.Log("TestObject: First Update");
			mIsFirstUpdate = false;
		}
	}

	void OnEnable () {
		Debug.Log("TestObject: OnEnable");
	}
}