Ana. Study Guide 1 Flashcards
Sonja's quizlet (161 cards)
To stand erect with arms at the sides and palms of the hands turned forward
anatomical position
includes the head, neck, and trunk
axial region
upper and lower limbs
appendicular region
divides body into left and right
sagittal plane
divides body into front and back
coronal plane
horizontal division of the body into upper and lower portions
transverse plane
movement of a solute from an area of high concentration to an area of low concentration
-passive
simple diffusion
Movement of specific molecules across cell membranes through protein channels
facilitated diffusion
Diffusion of water through a selectively permeable membrane
Osmosis
Energy-requiring process that moves material across a cell membrane against a concentration difference
active transport
A type of endocytosis in which a cell engulfs large particles or whole cells
- ex: wbc
Phagocytosis
A type of endocytosis in which the cell ingests extracellular fluid and its dissolved solutes.
- nutrient absorption
Pinocytosis
A component of nucleic. Chemically, it is a purine base.
pairs with thymine
adenine
the nucleotide that hydrogen bonds with the nucleotide adenine in DNA.
thymine
The base that pairs with Cytosine in DNA
- purine
guanine
The base that pairs with Guanine with DNA
- pyrimidine
cytosine
DNA that is densely packed around histones. The genes in heterochromatin are generally inaccessible to enzymes and are turned off.
Heterochromatin
The less condensed form of eukaryotic chromatin that is available for transcription.
Euchromatin
Chromosomes become visible, nuclear envelop dissolves, spindle forms
prophase
Chromosomes line up in the middle of the cell
metaphase
Phase of mitosis in which the chromosomes separate and move to opposite ends of the cell
anaphase
After the chromosome separates, the cell seals off, Final Phase of Mitosis.
Telophase
division of the cytoplasm
cytokinesis
avascular, not innervated
- structure allows for simple function of covering and protecting
Epethelial tissue