Answer:
The answer is A because the water has strong surface tension, I didn't know why but I know it's surface tension holding it up so it has to be A
The change in intractellular pH can potentially affect virtually all cellular processes. It includes metabolism, membrane potential, cell growth, movement of substance across of surface membrane, state of polymerization of the cytoskeleton and the ability to contract in muscle cell
Answer is only 1st case that is homozygous zygote is the right answer.
Explanation:
In maternal recessive mutation both the alleles are mutant and exhibit mutant phenotype. The mutated alleles are present as homozygous.
From the definition it is concluded that:
first case, homozygous zygote is mutant phenotype
second case, heterozygous zygote not mutant phenotype
in third case, heterozygous zygote not mutant phenotype.