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Red Blood Cells

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Questions and Answers

What is the main reason for the red color of blood?

Absorption of sunlight by blood vessels

High iron content in plasma

Presence of respiratory pigment haemoglobin in RBCs (correct)

Interaction of RBCs with oxygen

Which organelle is absent in mature mammalian RBCs?

Mitochondria

Nucleus (correct)

Endoplasmic reticulum

Golgi apparatus

What is the shape of mature mammalian RBCs?

Cuboidal

Biconcave and disc-shaped (correct)

Spherical

Irregular and jagged

What unifying themes tie together the field of biology?

Genes, cells, evolution, and energy processing Signup and view all the answers

What is the significance of evolution in biology?

It explains the unity and diversity of life Signup and view all the answers

What allows organisms to move, grow, and reproduce?

Energy processing Signup and view all the answers

At what levels of organization do biologists study life?

From molecular biology to the evolution of populations Signup and view all the answers

What do biologists use to make observations and pose questions?

The scientific method Signup and view all the answers

Red Blood Cells

Choose a study mode

Podcast

Questions and Answers

What is the main reason for the red color of blood?

Which organelle is absent in mature mammalian RBCs?

What is the shape of mature mammalian RBCs?

What unifying themes tie together the field of biology?

What is the significance of evolution in biology?

What allows organisms to move, grow, and reproduce?

At what levels of organization do biologists study life?

What do biologists use to make observations and pose questions?

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