Why are groups of small cells better than one large cell at moving material in

1 answer:

7 0

The groups of small cells better than one large cell at moving material in and out because they have a greater surface-to-volume ratio.

Option: A

Explanation:

This happened so as these smaller cells, unlike bigger cells, can quickly and willingly enter and move through the membranes of other cell membranes and permeable coverings. For these smaller and mini cells, it is also important to penetrate and move effectively, distribute and transport products and materials such as nutrients, oxygen and waste across the body without requiring enough energy and saving less space. They are cheaper, more effective and use less room for simple reasons, and most notably deplete less resources.

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The mutant strain maroon-like has an X-linked mutant allele (Xm) that results in deep maroon-colored eyed in homozygous females

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Answer:

See the answer below

Explanation:

From the illustration, maroon-like mutant strain is represented by the allele m and it is X-linked. Homozygous females ( $X^mX^m$ ) and hemizygous males ( $X^mY$ ) have the maroon trait and are mutants.

A reciprocal cross is made against the wild type. The wild type would be homozygous for the alternate from of the gene in females and hemizygous for alternate form of the gene in males.

Crossing a wild type female with a mutant male (first half);

$X^MX^M$ x $X^mY$