Answer:
B
Explanation:
first it attaches to the host cell membrane
If Lorenzo would quit smoking,reduce his intake of alcohol and improve his healthy eating behaviors and also increasing his physical activity it would mean his lifestyle changes would then increase telomerase activity. Increase telomerase is one way of the body to deal with stress and for the protection of DNA from destruction.
The correct answer A.eukaryotic cells ,prokaryotic cells. This means the blood cells are eukaryotic and the bacteria are prokaryotic cells.
The red blood cell although lacks nucleus still is considered to be eukaryotic in nature. The stem cell from where the red blood cell originates has a nucleus which disappears on maturity to make space available for carrying oxygen and carbon dioxide .
The bacterial cells are prokaryotic in nature. The bacterial cell is also enclosed by a cell membrane and the cellular contents are present in the cytoplasm. The bacteria lack the membrane bound structures as opposed by the eukaryotes. nucleus, mitochondria and chloroplast are some of the organelles lacking in the prokaryotic bacteria.
I think its c but not sure
The function is they provide alignment guides for the two valves in closing completely.
Hope this helps!
