| Terms |
Definitions |
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fibrinogen
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clotting factor
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intro-
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within ex: intron
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phragmoplast
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help make cell plates
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sexual selection
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reproduction of the fittest
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hyperthyriodism
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excessive secretion of thyriod hormones can cause Graves disease in humans
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stomata
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allows CO2 exchange between the surronding air and the photsythetic cells inside the leaf
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lysogenic cycle
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replicates the genome without destroying the host cell
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temperate grassland
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biome characterized by deep, nutrient-rich soil that supports many grass species
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chelicera
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one pair of clawlike feeding appendages characteristic of cheliceriforms
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ecdysone
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promotes molting and the development of adult characteristics
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cellulose
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A structural polysaccharide of plant cell walls, consisting of glucose monomers joined by β glycosidic linkages.
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determinate growth
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plants/ animals cease growing after reaching a certain size
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turgor pressure
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cell contents press the plasma membrane against the cell wall, creating this pressure
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transponsons and retrotransposons
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Eukaryotic transposable elements are of two types:
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prokaryotes
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no nuclues, nuclear envelope, ER, and GA
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claspers
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male sharks have these that transfer sperm into the reproductive tract of the female
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erythrocyte
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A red blood cell; contains hemoglobin, which functions in transporting oxygen in the circulatory system.
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cholesterol
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A steroid that forms an essential component of animal cell membranes and acts as a precursor molecule for the synthesis of other biologically important steroids, such as hormones.
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Renal Vein
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blood vessel that carries blood away from the kidney and toward the heart
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community ecology
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the study of how interactions between species affect community structure and organization
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average heterozygosity
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the percent, on averafe, of a population's loci that are heterozygous in members of the populatio
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protist
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any eukaryote that is not a plant, animal or fungus
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solution
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a liquid that is a homogenous mixture of two or more substances
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P site
|
One of a ribosome's three binding sites for tRNA during translation. The P site holds the tRNA carrying the growing polypeptide chain. (P stands for peptidyl tRNA
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estivation
|
a period of reduced activity that some animals experience in the summer
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SECOND MESSENGERS
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SMALL WATER SOLUBLE OR MOLECULES OR IONS
|
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water potential= solute potential + pressure potential
|
formula for water potential
|
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cardiac output
|
volume of blood per minute that the left ventricle pumps into the systemic circuit
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signal peptide
|
A stretch of amino acids on a polypeptide that targets the protein to a specific destination in a eukaryotic cell.
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helper t cell
|
type of T cell when activated, secretes cytokines that promote the response of B cells and cytotonic T cells to antigens
|
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negative pressure breathing
|
a breathing system in which air is pulled into the lungs (mammals)
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apical meristem
|
in the tips of roots and in the buds of shoots that supples cells for the plant to grow in length
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