The correct answer is - the variable.
With the experiment, in the way that Dan had decided to perform it, the fertilizer is the variable, as in one of the parts with strawberries he uses fertilizer, while in the other part he doesn't uses fertilizer.
While this kind of experiment may give Dan some answers, and he might notice differences, still he would have to be more detailed in the experiment to see for sure if the fertilizer is the thing that makes some of the strawberries grow better than the others.
Dan should also put all of the strawberries at places that would receive the same amount of light, experience the same weather conditions, receive the same amount of water, and to be planted in a soil of the same quality. Only like this, after putting the fertilizer, Dan can now if it makes any changes or not.
Answer:
No
Explanation:
The spotted hyena (Crocuta crocuta Erxleben) and the lion (Panthera leo Linnaeus) are two of the most abundant and charismatic large mammalian carnivores in Africa and yet both are experiencing declining populations and significant pressures from environmental change.
Answer: D
Explanation: it’s the size of the sediments
Given what we know, we can confirm that If a single protein carries out multiple functions, then each function may be carried out by a specific region of the protein called a domain.
<h3>What is a domain in proteins?</h3>
This is one of the many parts that make up a protein. This is what we can call the most independent parts of a protein given that they are each self-stabilizing and form their own three-dimensional structures. Each domain of a protein is considered a functional group, and therefore a single protein can carry out multiple functions.
Therefore, we can confirm that for a protein like the one described in the question, the multiple functions being carried out can be explained by the presence of the domain regions of the protein.
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