Answer:
Independent Variable: Give one group the drug and dont give the other group the drug
Dependent Variable:The data of if the drug improves the rats memory(if their memory is better, the same, or made worse)
Answer:
The lactose operon (also known as the lac operon) is a set of genes that are specific for uptake and metabolism of lactose and is found in E. coli and other bacteria.
Explanation:
HIH.
Parfocal refers to the idea that an image should maintain focus when shifted between distinct objectives. You should only make precise focus adjustments after the image is in focus.
<h3>Why is parfocal imaging crucial in microscopy?</h3>
Parfocal goals are those that can be modified with little to no focussing. It is convenient when the lenses stay in focus when you change the magnification on your microscope. When a microscope has named objectives, this is feasible.
The picture will stay in focus while switching from a lower-power objective to a higher-power objective because high-quality microscopes are parfocal. The oil reflects more light because it has the same refractive index as glass.
learn more about parfocal refer
brainly.com/question/24732114
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Primary plant/tree growth is
characterized mainly by ______.
Here is the correct answer to that
question: the primary plants or tree growth is characterized mainly by upward
and downward growth due to cell division at tips of roots and shoots.
