Answer:
<em>Staphylococcus aureus</em>
Explanation:
<em>S. aureus</em> is a toxin producer and even though the bacteria can be destroyed with heat, <em>its toxin is heat stable</em>, this means that it can survive after heating producing food poisoning. This kind of poisoning occurs in foods that require hand preparation, like the potato salad or ham in the example, especially because in the example those food were at room temperature, in the picnic, allowing the<em> S. aureus</em> to produce the toxin.
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Answer:
Option D
Explanation:
From the phylogenetic tree, it can be deduced that the eukarya were derived from the shared common ancestors much later that the bacteria and archae. This separation was based on rRNA data. The tree also shows that the archae appears to be more closely related to eukaryotes than to other peokaryotes.
Attract animals for pollination
Answer:
DNA polymerase is limited by the fact that:
1. it cannot add nucleotides in a 3' to 5' direction
2. it cannot initiate synthesis on its own.
Explanation:
Answer:
So we can get energy to perform our daily activities.
Explanation:
When we eat food it gives us chemical energy that we (humans) transfer into mechanical energy. That is why you need food.
