Differential stains function to Group of answer choices 1. highlight differences between cells or parts of a cell. 2. differentiate between bacteria and archaea. 3. more accurately determine the size and shape of fragile cells. 4. kill certain cells while allowing others to remain alive.

1. Highlight differences between cells or parts of a cell

Explanation:

When two or more chemicals stains are used together for the purpose of staining then these stains are termed as Differential stains and the process as Differential staining.

Differential stains are often used because due to presence of multiple stains it becomes easy to differentiate different structures or parts of a cell or cellular organism. Since each stain stains different parts of the cell or microorganism, under the microscope we can see the cell parts stained by separate colours.

Crystal violet and Fuchsin are an example of differential stains. These are used in gram staining.

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the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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