Think of the last egg you ate. It came from a hen that hatched from an egg itself. Describe the process that needed to occur from the hen’s egg to the egg you ate. Think about processes in the hen and also in the hatchery.
What will be an ideal response?
Answer: When fertilized eggs are laid, they’re usually artificially incubated at a temperature that simulates a hen sitting on it. Fertilized eggs may be kept in a cool environment first to stall their development so several eggs can be incubated and hatched around the same time.
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A hypothetical restriction sequence is 5?-TCTAGA-3?. The palindromic sequence is 3?-________-5?
Fill in the blank(s) with correct word
Which cells make up nervous tissue?
a. neuroglia b. neurons c. brain and spinal cord cells d. neuroglia and neurons e. nervous cells
A common cause of amoebic dysentery is
A. Trichomonas vaginalis. B. Plasmodium falciparum. C. Giardia intestinalis. D. Entamoeba histolytica.
When an action potential begins and sodium channels open, why does sodium rush into the cell? (Check all that apply.)
_____ The inside of the cell is negatively charged. _____ The inside of the cell is positively charged. _____ Chloride ions are waiting to bind to the sodium inside the cell. _____ The diffusion gradient drives sodium into the cell. _____ Channels use energy to move ions across the membrane whenever they are open.