purine – One of two types of nitrogenous bases found in nucleotides, characterized by a six-membered ring fused to a five-membered ring.
qualitative – type of data that is categorized by entries such as the labels (color, names, etc.) observations made without measuring
Secondary consumer – the organism in a food chain that feeds on primary consumers
genetics – the study of heredity
Vacuoles – Plant cells have one HUGE vacuole, while animal cells have a great deal of normal sized ones. Vacuoles are storage centers, and can also be filled with water to become rather rigid- to support the cell.
Mitochondria – in eukaryotic cells, the cell organelle that is surrounded by two membranes and that is the site of cellular respiration, which produces ATP
Microfilaments – Fine, threadlike proteins found in the cell's cytoskeleton
WIth regard to the autonomic nervous system, the preganglionic neuron resides totally in the ________________.
Sudden appearance and disappearance of fossil species – can be accounted for by the theory of punctuated equilibrium. The fossil record shows periods of stability with regard to appearance and disappearance of species as well as periods of sudden change.
haploid – An organism or cell having only one complete set of chromosomes
golgi apparatus – another system of flattened membranous sacs
Function of Ribosomes – Site of protien synthesis
WIth regаrd tо the аutоnоmic nervous system, the pregаnglionic neuron resides totally in the ________________.
ecosystems – A specific biological community and its physical environment interacting in an exchange of matter and energy.
map units – A measurement of the distance between genes; one map unit is equivalent to a 1 percent recombination frequency.