What is a way that bacteria can harm humans? 1. Bacteria makes vitamins that cells cannot.
2. Intestinal bacteria protects the body from being infected by illness-causing bacteria.
3. Bacterial infections can cause illnesses such as strep throat.
4. Bacteria aids in digesting food.

What's the waste product of electrons and pyruvate combining in fermentation?  

In which order does sexual reproduction take place in plants? a. pollination, germination, fertilization b. germination, fertilization, pollination c. pollination, fertilization, germination d. fertilization , pollination, germination

Part a - which gene to compare? in this exercise, you will use the cytochrome c oxidase i (coi) gene to investigate relationships among salmon species. (this gene encodes a protein that functions in the mitochondrial electron transport chain.) you will compare the coi gene sequences from your salmon test samples to the standard sequences for each salmon species. in order for the coi gene to be useful for distinguishing among the different salmon species, which three statements must be true?