Answer:
The experiment should have more different subject groups, with each group consuming a different amount of beta carotene.
Explanation:
When designing an experiment, to determine the effect of the amount of a substance, the experimental design should be done to accommodate more than two experimental group with each group treated with different amount of the substance and also a control group. This will enable the researcher to determine the effect of the different ranges of amount.
In the example, in other to determine if vitamin A is dependent of the amount of beta carotene consumed, there should be more different subject groups, with each group consuming a different amount of beta carotene.
If an organism has a mutation, that helps it survive, it will breed and this mutation will keep in the gene pool. Out of all listed choices, the only mutation that will help an organism survive is c). The better a rabbit can hide from predators, the longer it will survive and the more will breed
Answer:
Length of the cells = diameter of field of view/ number of cells across the field of view
Explanation:
therefore 2.25= 4.5*X
X= 2.25/4.5
=0.5 number of cells
Answer:
A. runoff
Explanation:
Runoff is a consequence of over fertilization.
This can be dangerous because it could cause the Mother and the babies to get disabilities or die.
The best and most correct answer among the choices provided by your question is the third option or letter C. RNA carries genetic information.
RNA acts as a messenger between DNA<span> and the protein synthesis complexes known as ribosomes, forms vital portions of ribosomes, and acts as an essential carrier molecule for amino acids to be used in protein synthesis.</span>
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