Cell Structures
What is the most important organelle within a cell?
The nucleus.
The process whereby molecules spread themselves through a medium
Diffusion
These are primal cells common to all multicellular organisms.
Stem Cell
What is the process of cell division in somatic cells called?
Mitosis
What is it called when a cell has the ability to change into another type of cell?
Metaplasia
What surrounds every cell?
The cell membrane or plasma membrane.
What is the diffusion of water through a selectively permeable membrane called?
Osmosis
What type of stem cell can give rise to any type of cell within the body, except those needed to develop a fetus?
pluripotent stem cells
How many chromosomes are in a normal somatic cell?
46 chromosomes
The recommended classification system for cancer.
TNM or Tumor, Node, Metastasis
What fills the space between the nucleus and the cell membrane?
Cytoplasm
What process moves molecules across a cell membrane against a concentration gradient?
Active transport
What stem cells are found in adult tissue
Adult stem cells
What phase is known as the "resting stage" of the cell cycle?
Interphase
The process by which malignant tumors spread to other parts of the body
Metastasis
A structure that digests worn-out cells and bacteria
Lysosome
What is the process of unprogrammed cell death called?
Necrosis
is rich in stem cells, which can be used to treat disease.
Umbilical cord blood
An orderly series of steps in which the DNA in the nucleus of the cell is equally distributed to two daughter, or identical, nuclei.
Mitosis
The second most common cause of death in the US.
Cancer
What is the name of the tubular structures that criss-cross the cellular cytoplasm?
Endoplasmic reticulum
What process describes when cells intentionally die?
Apoptosis
What is the most widely used application of stem cells in therapy?
Bone marrow transplants for treating blood disorders and leukemia.
The process of cell division of the gamete is called
Meiosis
This term describes an abnormal growth that results when cell division does not occur in the usual pattern, and it's also known as a tumor.
Neoplasm