Pairing of a specific purine to a specific pyrimidine is due to the structure and properties of each ring and the three-dimensional fit between complements. Purine and pyrimidine are organic, aromatic ring compounds that act as the building blocks of nucleic acid. In DNA, purines occur as adenine and guanine, while pyrimidines occur as thymine and cytosine. In DNA base pairing, adenine pairs with thymine, and guanine pairs with cytosine
Answer:
The correct answer is option D, that is, brainstem.
The innermost region of the brain is known as the brainstem, which continues with the spinal cord. It is the part of the brain, which associates the cerebrum with the spinal cord. It comprises the medulla oblongata, pons, and the midbrain. The sensory and the motor neurons pass via the brainstem permitting for the transmission of signals between the spinal cord and the brain.
Explanation:
Answer:
Explanation:
The chyme produced from the stomach is highly acidic in nature; the pancreatic juices contain high levels of bicarbonate, an alkali that neutralizes the acidic chyme. Additionally, the pancreatic juices contain a large variety of enzymes that are required for the digestion of protein and carbohydrates.
<em><u>F. berry bush</u></em>
this is ur ans !!
Answer by YourHope:
Hi! :)
If a scientist collects evidence that questions the basics of a scientific theory, this means the theory is
going to be refined by further investigation !
:)
