Chapter 2 - Terms Pertaining to the Body as a Whole Flashcards
cell membrane
Surrounds and protects the cell and regulates what passes into and out of the cell.
nucleus
controls the operations of the cell
chromosomes
rod-like structures within the nucleus
genes
regions in chromonsomes
karyotype
photograph of an individual’s chromosomes, arranged by size, shape and number
cytoplasm
cyt/o = cell /plasm = formation
mitochondria
small sausage-shaped bodies that provide the principal source of the energy for the cell
endoplasmic reticulum
network of canals within the cell
ribosomes
long chains of proteins attached to the endoplasmic reticulum
anabolism
process of building up large proteins from small protein pieces called amino acids.
catabolism
process whereby complex nutrients are broken down to simpler substances and energy is released.
DNA
chemical found with each chromosome. Arranged like a sequence of recipes in code, it directs the activities of the cell.
histologist
scientist who specializes in the study of tissue
epithelial tissue
located all over the body, forms the linings of internal organs and outer surface of the skin covering the body.