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Ions are atoms or molecules that carry a charge. The plasma membrane acts like a capacitor, storing and separating electrical charges. The voltage across the membrane differs from one cell to another, with the typical interior measurement being -65 mV (millivolts) as compared to the exterior.
This indicates that positive ions may enter the cell when ion channels open; however, as stated in the question, ion movement is influenced by both voltage and concentration.
This "electrochemical potential" can be computed using the Nernst equation.
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Answer:
A successful discussion makes it possible for every member of the group to express their opinions.
and
This kind of discussion encourages those with differing opinions to voice them.
Explanation:
An effective discussion clears up various perspectives, allowing all members to contribute their thoughts.
Answer:
See the explanation below
Explanation:
Non-disjunction occurs due to the failure of homologous chromosomes to separate during meiosis.
This leads to gametes (resulting daughter cells) having either additional or fewer chromosomes compared to a standard gamete.
When a gamete with excess chromosomes unites with a normal gamete, the offspring will exhibit an extra chromosome (resulting in trisomy).
Conversely, if a gamete has one less chromosome than typical and fuses with a normal gamete, the offspring will end up with a deficit of one chromosome (monosomy).
If a chromosome with gene Aa undergoes non-disjunction during meiosis, the resulting gametes may either carry both A and a or none.
<pWhen a gamete with an
Aa gene fertilizes a standard haploid sperm (
a), the resulting zygote will possess the
genotype Aaa.If a gamete that lacks any chromosome fertilizes a normal haploid sperm, the offspring will have the genotype a.
