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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The individual who first proposed the existence of transposable elements was ____

A. Sturtevant B. Morgan C. McClintock D. Franklin E. Watson

Biology & Microbiology

The release of calcium ions into the egg cytoplasm during fertilization causes all of the following

actions except:a. an increase in aerobic respiration. b. onset of the cortical reaction. c. inhibition of acrosomal enzymes. d. activation of protein synthesis. e. onset of a slow block to polyspermy.

Biology & Microbiology

A ________________ is a protective protein coat that surrounds the nucleic acid of the virus.

A. Capsid B. DNA C. Pathogen D. Epidemic

Biology & Microbiology

Due to the diversity of retroviruses, they can be placed into more than one Baltimore system group.

Answer the following statement true (T) or false (F)

Biology & Microbiology