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.

Biology & Microbiology

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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?

Biology & Microbiology

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

Biology & Microbiology

Social behavior in which both the "actor" and the "recipient" benefit is known as ________. [three words]

Fill in the blank(s) with correct word

Biology & Microbiology

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.

Biology & Microbiology