Vocabulary Flashcards
Anabolism
Process of building large proteins from small protein pieces called amino acids
Catabolism
Process where nutrients are broken down to simpler substances and energy is released
Cell membrane
Structure surrounding cell., determines what can and cannot enter cell
Chromosome
Rod like structures in nucleus that contains genes. There is 46 in every cell (23 pairs) except for sperm and egg which contain 23 individual, separated chromosomes
Cytoplasm
All material outside nucleus but still contained within the cell wall
DNA
Chemical found within each chromosome. Arranged like a sequence of recipes, directs activity of cells
Endoplasmic reticulum
Network of canals within cytoplasm. Large proteins are made here from smaller protein pieces
Genes
Regions of DNA within each chromosome
Karyotype
Picture of chromosomes in nucleus of cell, can show mutations etc.
Metabolism
Total of the chemical process in a cell
Mitochondria
Rod shaped structures in cytoplasm that provide the principal source of energy for the cell (catabolism is the process that occurs in mitochondria)
Nucleus
Control Center of cell, contains chromosomes and directs activities of cell
Organs
Different types of tissue combine to form organs
EX. The stomach is composed of muscle tissue, nervous tissue and glandular epithelial tissue
Systems
Groups of organs working together to perform complex functions
EX. The mouth, esophagus, stomach, small intestines are organs that do the work of digestive system to digest food and absorb it into blood stream
Adipose tissue
Collection of fat cells
Cartilage
Flexible connective tissue attached to bones at joints, forms part of external ear and nose, rings of cartilage surround trachea
Epithelial cells
Skin cells that cover outside of body and line internal surfaces of organs
Larynx
Voice box, located above trachea
Pharynx
Throat, serves as common passageway for food and air
Pituitary gland
Endocrine gland at base of brain
Thyroid gland
Endocrine gland that surrounds trachea in the neck
Trachea
Windpipe, leads to bronchial tubes
Ureter
One of two tides leading from each kidney to urinary bladder
Uterus
Womb, organ that old embryo/fetus as it develops