Simple Staining Is Often Necessary to Improve Contrast in Which

question 5

Multiple Choice

Simple staining is often necessary to improve contrast in which microscope?

• A) fluorescence microscope
• B) darkfield microscope
• C) phase- contrast microscope
• D) compound light microscope
• E) electron microscope

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Definitions:

Sperm-resistant Membrane

A barrier that prevents sperm from penetrating and fertilizing an egg, contributing to contraceptive strategies or infertility.

Gastrulation

Process in embryonic development during which the three germ layers (ectoderm, mesoderm, and endoderm) form.

Blastula

An early stage of embryonic development in animals, characterized by a spherical layer of cells (blastomeres) surrounding a fluid-filled cavity (blastocoel).

Morula

An early embryo consisting of a solid ball of cells.