vaccines are weakened viruses or bacteria that prompt the body to develop antibodies to foght against disease
Answer:
HeLa cells have been used in research to study
Explanation:
the nature and progression of cancer
Answer: Frameshift mutations are due to either insertions or deletions of nucleotides
Explanation: Frameshift mutations result in abnormal protein products with an incorrect amino acid sequence that can be either longer or shorter than the normal protein.
I believe the correct response is the third option. Have higher resolution that allows you to view smaller specimens.
