Flashcards in 6 - Cellular Level of the Body Deck (75)
Energy for many of the body's processes is supplied by ________
______ is the study of the structure of cells.
The genetic information of cells is encoded in _______
Most chemical activities fo the cells take place in the ______
The splitting of a compound into fragments by adding water is called ______
Special structures in the cell that perform specific functions.
Mitosis results in _______
Two daughter cells
Lou Gehrig disease is also known as _______
Amyotrophic lateral sclerosis
Which of the following affects people of African descent?
Sickle cell anemia
Genetic information is transferred from DNA to the cytoplasm by ______
The _______ is the control center of the cell.
A birth defect due to both parents having an abnormal gene is referred to as ______
The human genome contains _____ pairs of chromosomes.
A ____ cell contains a single set of chromosomes.
Every cell in the body has ____ genes.
The smallest membrane-enclosed compartment that can sustain life independent of other entities.
The study of the structure and function of cells.
Another term for cytology.
A protective barrier and a communicator between the environments inside and outside of the cell.
When the plasma membrane regulates what substances may enter or exit the cell.
A process during which molecules or ions spread from an area of low concentration to an area of high concentration until the concentration is the same throughout the cell.
When a substance is diffusing across a semipermeable membrane
The energy-requiring movement of ions, nutrients and molecules across the plasma membrane from an area of low concentration to an area of high concentration, against the substance's concentration gradient.
Cell division is sometimes referred to as _______
A ______ is a segment of the cell's DNA.
A form of nuclear division in which there are actually two successive divisions without involving and chromosome replication.
During meiosis, it results in the formation of 4 daughter cells, each of which are called _______
The union of an egg and sperm during fertilization yields a ______ egg, with a full set of paired chromosomes.
The planned death of cells, programmed genetically during different stages of development.