Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
|
Which type of muscle cell has visible striations and many nuclei and is under voluntary control?
|
Skeletal
|
|
|
What attaches muscle to bone?
|
Tendons
|
|
|
Whole muscle is composed of bundles of muscle cells called?
|
Fascicles
|
|
|
The connective tissue covering of the whole muscle is called:
|
Epimysium
|
|
|
The plasma membrane of a muscle cell is called the:
|
Sarcolemma
|
|
|
The part of the sarcoplasmic reticulum where calcium ions are stored is called the:
|
Terminal Cisternae
|
|
|
The organelle that is a bundle of contractile elements is called a:
|
Myofibril
|
|
|
The arrangement of the thick and thin myofilaments foms light and dark bands along the myofibril. The length of the thick filament corresponds with which band?
|
The A band
|
|
|
The length of which band decreases as the muscle contracts?
|
The I band.
|
|
|
The functional unit of muscle contraction is called the:
|
Sarcomere
|
|
|
Epithelium that lines the GI tract:
|
Simple columnar
|
|
|
Epithelium that lines the esophagus:
|
Stratified squamous
|
|
|
Epithelium that lines the respiratory tract:
|
Pseudostratified ciliated columnar
|
|
|
Epithelium that forms air sacs in the lungs:
|
Simple squamous
|
|
|
Epithelium that lines the urinary tract:
|
Transitional
|
|
|
Epithelium that makes up endothelium and mesothelium:
|
Simple squamous
|
|
|
What does mesothelium line?
|
Closed cavities.
|
|
|
What tissue forms most of the body's glands?
|
Epithelial tissue
|
|
|
What does a G protein do?
|
Relays signals from the extracellular First Messenger to the intracellular Second Messenger.
|
|
|
Within cells, DNA is organized into long structures called:
|
Chromosomes
|
|
|
What are the primary bases in DNA and RNA?
|
DNA-bases: TAGC
RNA-bases: UAGC U substitues for T in RNA |
|
|
How do the DNA and RNA bases pair?
|
DNA: A-T and G-C
RNA: A-U and G-C |
|
|
How many types of RNA are there?
|
All RNA is synthesized on DNA strands. There are three types:
Messenger (mRNA) Transfer (tRNA) Ribosomal (rRNA) |
|
|
What are the two major periods of the cell cycle?
|
Interphase and mitotic phase.
Interphase is when the cell grows and carries on its usual activities. Mitotic phase is when the cell divides into two cells. |
