Answer:
They play an important role in the oxygenation of Earth's atmosphere roughly around 2.3 billion years ago.
Explanation:
<h2>
Answer:</h2>
Option C) An enzyme in her mouth broke down the polysaccharides in the cracker into monosaccharides.
<h2>
Explanation:</h2>
- This happened because of saliva present in the mouth.
- Saliva is a watery substance which is present in our mouth and secreted by salivary glands. Saliva is composed of 98% water and it contains important substances like electrolytes, mucus, antibacterial compounds and various enzymes.
- The enzyme present in saliva is amylase which helps in breakdown of some starches(polysaccharide) into maltose(diasaccharide) and dextrin. Which means, digestion of food occurs within the mouth, before the food reaches the stomach.
Result: The result come positive due to the action of saliva on cracker.
the correct answer is DNA fingerprinting.
The DNA fingerprint, produced by digestion of both sets of DNA by restriction enzymes, is run on an electrophoresis gel, stained, and photographed. The patterns are then compared.
Answer:
Because animals cannot produce energy directly from the sun, they must eat plants or other animals that eat plants, and acquire energy, either directly or indirectly, from glucose
Explanation:
Explanation:
AB blood type is very rare
thank you!