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Anatomy Ch 3 & 4

Terms in this set (69)

Every cell is surrounded by cytoplasm.
TRUE OR FALSE?
false
Most of the cell's energy comes from spherical or rod-shaped organelles called mitochondria.
TRUE OR FALSE?
true
All cells reproduce at the same rate.
TRUE OR FALSE?
false
Osmosis is the movement of solutes across a semipermeable membrane
TRUE OR FALSE?
false
After age 30 an average of 10% of the reserve ability of organs is lost each year.
TRUE OR FALSE?
false
The nucleus of a cell is contained with a nuclear membrane, which is impermeable.
TRUE OR FALSE?
false
Necrosis is an orderly process by which cells intentionally die.
TRUE OR FALSE?
false
Stem cells are primal cells common to all multicellular organisms.
TRUE OR FALSE?
true
Adult stem cells are undifferentiated cells found throughout the body that divide to replenish dying cells and regenerate damaged tissue.
TRUE OR FALSE?
true
Umbilical cord blood is rich in stem cell, which can be used to treat disease.
TRUE OR FALSE?
true
Cancer is the most common cause of death in the United States.
TRUE OR FALSE?
false
A neoplasm _____________ .
a. is always malignant
b. is also known as a tumor
c. may be benign
d. is also known as a tumor or may be benign
is also known as a tumor or may be benign
A structure that digests worn-out cells and bacteria is called a(n) ________.
a.ribosome
b.lysosome
c.peroxisome
d.mitochondria
lysosome
The most important organelle within the cell is the _________>
a. cytoplasm
b. nucleus
c. golgi apparatus
d. mitochondrion
nucleus
An orderly series of steps in which DNA in the nucleus of the cell is equally distributed to two daughter nuclei is called ________.
a. meiosis
b. osmosis
c. mitosis
d. scoliosis
mitosis
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