Answer:
Deletion mutations can affect the entire base sequence.
Explanation:
Answer:
The blood brain barrier blocks chemicals from entering brain tissue.
Explanation:
nervous and chemical responses.
A single, long DNA molecule makes up a chromosome.
The correct option is the (C) chromosome.
<h3>Chromosome</h3>
- Inside the nucleus, chromosomes are thread-like structures.
- It consists of a single molecule of DNA and is made up of protein.
- It stores the organism's genetic material.
Thus, the (C) chromosome is the correct option.
Learn more about chromosomes, here:
brainly.com/question/296477
Answer: mitochondrion
explanation: The enzymatic reactions of cellular respiration begin in the cytoplasm, but most of the reactions occur in the mitochondria. Cellular respiration occurs in the double-membrane organelle called the mitochondrion. The folds in the inner membrane are called cristae.