Bfhs Biology Chapter 7

cytoskeleton – network of proteins that is constantly changing tomeet the demands of a cell
Natural selection – The process whereby organisms better adapted to their environment tend to survive and produce more offspring.
phospholipid – A lipid made up of glycerol joined to two fatty acids and a phosphate group. The hydrocarbon chains of the fatty acids act as nonpolar, hydrophobic tails, while the rest of the molecule acts as a polar, hydrophilic head. Phospholipids form bilayers that function as biological membranes.
Sulfhydryl Group – -SH

Proteins that contain the amino acid cysteine.

ultrafiltration – small molecules are forced out of the blood capillary and into nephrons due to high pressure
31. catalyst – Substance that speeds up the rate of a chemical reaction
tissues – Groups of cells that have similar abilities and that allow the organ to function.
The meaning of the medical term hyperkinesia is _____ movement.
Recessive allele – An allele that will not determine the phenotype unless the genotype is homozygous in that allele
Nitrogen Base – a DNA nucleotide containing nitrogen, a sugar molecule, and a phosphate group
exergonic reaction – reaction which results in a net release of free energy
The meаning оf the medicаl term hyperkinesiа is _____ mоvement.
stroke – The death of nervous tissue in the brain, usually resulting from rupture or blockage of arteries in the head.
feedback inhibition – A method of metabolic control in which the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway.
Theory – When a hypothesis is proven many times it becomes a theory, or a well tested explanation that has been proven correct by other scientists.
Haploid – Having a single set of unpaired chromosomes. 23 chromosomes. Sex cells are haploid.
During cellular respiration, acetyl CoA accumulates in which location? – mitochondrial matrix

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