Sirloin steaks aren't the most tender, so it's important not to overcook them. To enjoy tender and juicy sirloin steaks, don't cook them beyond medium-rare, or 130 degrees Fahrenheit.Cooking times vary depending on your grill, the exact heat setting, the thickness of the cut of beef and other factors.irloin steaks aren't the most tender, so it's important not to overcook them. To enjoy tender and juicy sirloin steaks, don't cook them beyond medium-rare, or 130 degrees Fahrenheit.
An egg is the organic vessel containing the zygote in which an animal embryo develops until it can survive on its own, at which point the animal hatches. An egg results from fertilization of an ovum.Most arthropods, vertebrates, and mollusks lay eggs, although some do not, such as scorpions and most mammals. Reptile eggs, bird eggs, and monotreme eggs are laid out of water, and are surrounded by a protective shell, either flexible or inflexible.esolecithal eggs have comparatively more yolk than the microlecithal eggs. The yolk is concentrated in one part of the egg (the vegetal pole), with the cell nucleus and most of the cytoplasm in the other (the animal pole). The cell cleavage is uneven, and mainly concentrated in the cytoplasma-rich animal pole.
Procedure. 1  The structure of an egg An egg is a reproductive cell from which a new organism develops. 2  Identify the parts of the egg. 3  1. Blastoderm. 4  2. 5  3. 6  4. Inner shell membrane. 7  5. 8  6. 9  7. 10  Look at an egg. 11  Crack fresh egg into saucer and locate all the parts listed on the diagram. 12  Draw and label the egg as it is in the dish. 13  Crack and peel a hard ...