What are the instructions that tell the cell everything it needs to survive?
a. mitochondriab. nucleousc. ribosomed. endomembrane system

The body is protected against harmful flu viruses by

Which strategy is an example of how companies may upgrade themselves to meet changing customer preferences? a.doing door-to-door sellingb.using billboards to advertise the productsc. making online shopping services availabled.giving discounts on products

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?