Hepatic portal vein carries blood from the ____ to the Liver.
What is the small intestine
100
Fish use counter-current exchange to do what?
Increase diffusion of oxygen from water to bloodstream.
100
Through what compartments of the vertebrate heart does deoxygenated blood flow?
What is the right atrium and right ventricle
100
Ribonucleic acid; a type of nucleic acid composed of nucleotide monomers with a ribose sugar; usually single-stranded
What is RNA
100
A specialized, usually spherical mass of protoplasm encased in a double membrane, and found in most living eukaryotic cells, directing their growth, metabolism, and reproduction, and
What is
Nucleus
200
Gall bladder's function
What is to
Store and release bile
200
What are the two main breathing control centers in the brain of humans?
What are
Medulla and pons.
200
What are erythrocytes and what do they do?
What is Red blood cells; they transport oxygen throughout the body
200
Deoxyribonucleic acid; a double-stranded, helical nucleic acid molecule composed of nucleotide monomers
What is DNA
200
A cell organelle containing enzymes that digest particles and that disintegrate the cell after its death.
What is
Lysosome
300
The compound that physically breaks down fats.
What is Bile
300
Scales in reptiles help them to prevent what?
What is water loss
300
What cellular elements in blood play a significant role in blood clotting?
What is Platelets
300
This is negatively charged.
What is DNA
300
An organelle in the cytoplasm of cells that functions in energy production.
What is
Mitochondria
400
Small finger-like projections of the small intestine ?
What is villi
400
What is 70% of the carbon dioxide carried as?
What is
Bicarbonate ions.
400
Name the only arteries that carry deoxygenated blood, and the only veins that carry oxygenated blood.
What is
Pulmonary arteries; pulmonary veins
400
A regulatory protein that binds to DNA and controls gene expression
What is a transcription factor?
400
The cell substance between the cell membrane and the nucleus, containing the cytosol, organelles, cytoskeleton, and various particles.
What is Cytoplasm
500
The Liver produces bile but... where is it stored?
What is the Gall Bladder
500
Region of vertebrate brain that controls breathing rate
What is
Medulla oblongatapons is also involved in heavy breathing as in exercising
500
What iron-containing protein in erythrocytes helps carry oxygen through the blood?
What is Hemoglobin
500
A coding sequence/region of a eukaryotic gene
What is Exon
500
A tiny, somewhat mitten-shaped organelle occurring in great numbers in the cell cytoplasm either freely, in small clusters, or attached to the outer surfaces of