Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?
(a) They do not need to reproduce
(b) They are somatic cells
(c) They do not metabolize
(d) All their internal space is available for oxygen transport
a) Only (d)
b) Only (a)
c) (a), (c) and (d)
d) (b) and (c)
Select your answer:
Topics:
Properties of the Hair The Chemistry of Microbiology Reproduction in Human Beings Effects of Exercise on the Musculoskeletal System Transport system in Living Things (Human) Tongue and Skin The Cell Cycle & Cancer Psychiatry Differentiation and Division of Human Cells The Human Eye Hematologic System Anatomy Deficiency Diseases Fungi/Bacteria/Biotechnology Bacteria StructureOther quiz:
Structures and Functions of Living Organisms and Genetics › ViewHow is the muscular system different from the digestive system?
A. The muscular system moves the bones, while the digestive system provides the body with nutrients.
B. The muscular system provides the body with nutrients, while the digestive system moves the bones.
C. The muscular system provides oxygen to cells, while the digestive system protects the major organs.
D. The muscular system protects the major organs, while the digestive system provides oxygen to cells.
RDA Dental Caries › View
Incipient caries is:
A. white spots, brown spots, decay on tooth surfaces
B. a cavity or hole
C. loss of minerals from the tooth
D. tooth decay that is beginning to form or become apparent