Question

Why do complex organisms need specialized cells?
O
A. Without them, complex organisms cannot perform different
functions.
O
B. Complex organisms need them to process bacteria and
paramecia.
O
C. Complex organisms need them to balance the mostly prokaryotic
cells.
O
D. Without them, complex organisms cannot reproduce.

Answer 1

Answer:

A. Without them, complex organisms cannot perform different

functions.

Explanation:

Different cells perform different functions to make a complex organism

Answer 2

Complex organisms need specialized cells BECAUSE, without them, complex organisms cannot perform different functions (Option A).

• Multicellular organisms have different types of cells derived from the process of differential gene expression.

• For example, in mammals, mature red blood cells are specialized cells derived from hematopoietic stem cells localized in the bone marrow.

• During cellular differentiation, hematopoietic stem cells express different hemopoietic growth factors that ultimately determine the physiological features of mature blood cells.

• These cells (mature blood cells) are specialized to transport oxygen from the lungs and nutrients to all body cells.

In conclusion, complex organisms need specialized cells BECAUSE without them, complex organisms cannot perform different functions (Option A).

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