<span>"At first, the group of investors were not impressed by young Calvin's concept for the new advertising campaign, but by the end of the presentation, everyone was on board with the plan."</span>
Answer:
as the question is incomplete i have added the link to full question in ask for detail section.
b) Lysosome
Explanation:
After ingestion of a food particle, pH changes and enzymes contributed by the __Lysosome__ will digest and hydrolyze the ingested particle in the phagocytic vacuole.
Cells are the smallest unit of life. This is true.
Cells are important to the structure and function of living things. This is true.
All organisms are made of multiple cells. This is false, because there are many single celled organisms like bacteria.
Cells come in different shapes and sizes. This is true, as there are cells with a variety of shape and size (round shaped cocci and the elongated and flat bacillus). There are cells from squid's nervous system, called the neurons, that are comparatively very large in size than the vast majority of the other cells.