What are nucleolar organizer regions?
What will be an ideal response
nuclear regions containing the DNA that issues genetic instructions for synthesizing ribosomal RNA
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Sperm cells mature in the
A. epididymides. B. seminal vesicles. C. ejaculatory ducts. D. ductus deferentia.
The process of hemopoiesis starts with hemopoietic stem cells called ________________
Fill in the blank with correct word.
The term metabolism is best defined as ________.
A) the length of time it takes to digest and absorb fats B) a measure of carbohydrate utilization, typically involving measurement of calories C) the number of calories it takes to keep from shivering on a cold day D) biochemical reactions involved in building cell molecules or breaking down molecules for energy
The aroma of cookies baking in the kitchen reaches you in the living room. The distribution of this odor throughout the house is an example of ________.
A. dialysis B. diffusion C. filtration D. osmosis E. active transport