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Below are the choices:
homogenous mixture
<span>heterogeneous mixture </span>
<span>semi mixture
</span>
You want to decorate the bottom of an aquarium with brightly colored rocks of different shapes and sizes. this describes a homogenous mixture<span>
</span>
<span>The word hetero means different. Since the rocks are varied i assume it would be a heterogeneous mixture.</span>
Answer:
The correct answer is - option D. gate- control theory of pain.
Explanation:
Gate control theory of pain suggests that non painful stimulus that inhibits or closes the the gates for the stimulus of the pain. This mechanism helps in the prevention of of the pain sensation to travel to the CNS. It is also refereed as the doorway in the spinal cord that is passed from the signals.
Thus, the correct answer is - option D. gate- control theory of pain.
False.
There are several good mutations that have ensured the survival of species. Typically helpful mutations help the creature adapt to its environment or protect itself from predators.
I hope this helps! :)
For example:
If both parents are with heterozygous genotype Aa (A is dominant allele for the trait and a is recessive allele for the trait) , than
P: Aa x Aa, the offspring will be
F1: AA Aa Aa aa (one dominant homozygous, one recessive homozygous and two heterozygous.
