Mature red blood cells do not have a well-defined nucleus or other membrane-bound organelles. What is the advantage of this characteristic?
What will be an ideal response?
By extruding its nucleus and most organelles, a red blood cell leaves more space for hemoglobin, the protein that transports oxygen.
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Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What will be an ideal response?
To determine the dietary habits of dinosaurs, their _____ can be analyzed for the presence of undigested plant material
or bones.
a. coprolites b. eggs c. fossilized body parts d. footprints e. soft body parts
Social behavior in which both the "actor" and the "recipient" benefit is known as ________. [three words]
Fill in the blank(s) with correct word
Any agent that can change the base sequence of DNA is known as a:
A) mutagen. B) spontaneous event. C) trinucleotide repeat. D) free radical. E) cancer.