Answer:B. Their DNA molecules have different numbers of strands.
Explanation:that is chromosome that make them to differ in diploid numbers thus differ generally and appear differently
In Spirogyra and allied forms the chloroplast<span> grows as the cell grows, and only divides when this divides.</span><span>
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2 is crescent and 4 is gibbous
Answer: B. providing access to objects that are hard to find
Explanation: A specimen can be simply refered to as a sample of blood, tissue, fluid or a piece of a matter which scientist take or obtain to have a better look (study) at it in a lab.
Specimen collection is the process involved in getting or obtaining these samples for better analysis in a lab. This process help scientist get, obtain or have access to samples or objects that are not easily accessible.
Therefore Specimen collection helps scientist carry out experiment by providing access to objects that are hard to find.
The structure of the plasma membrane makes this type of transport necessary for fluids is discussed below:
<h3>What do you mean by phospholipid membrane?</h3>
The membrane that divides the interior of the cell from the external environment is known as the plasma membrane, sometimes known as the cell membrane, and is present in all cells. A cell wall is affixed to the plasma membrane on the exterior of bacterial and plant cells.
Because water and other polar or charged substances cannot easily traverse the hydrophobic core of the membrane, the phospholipid bilayer created by these interactions serves as an effective barrier between the interior and exterior of the cell.
The complete sentence of question is:
Why does the structure of the plasma membrane make this type of transport necessary for fluids
Learn more about phospholipid membrane here:
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