<span>Bacteria breaks down cellulose (plant starch) that humans cannot digest. They also break down lactose with lactic acid, that humans do not produce. I hope this help you! :)</span>
White dwarf
Option 3.
<u>Explanation:</u>
White dwarf are very old in existence in the world. The white dwarfs are at least about twelve to thirteen billions years old in existence. These are only slightly younger than the universe itself.
Thus these white dwarfs provide a clear idea about how old the universe is and since when it has come into existence itself. Although not exact but some what idea can be made that it is about more than thirteen billion years old and came into existence back then.
Answer:
The correct answer is option C.
Explanation:
As the proteins are produced in the endoplasmic reticulum membrane, they amalgamate with the vesicles and then they are conducted towards the membrane's cell surface where they act as an integral membrane protein.
The outer end will bind with the ligand and the other one will get attached towards the cytoplasm. Thus, the pinsulin in the given case will combine with the C terminus of the protein.
Correct answer - Vestigial Structures.
Why? - These unused structures without function are called vestigial structures. Some examples of vestigial structures are wings on flightless birds, leaves on some cacti, and hind leg bones in whales.