A carefully formulated scientific explanation that is based on extensive observations and is in accord with scientific principles is called a
A) control. B) theory. C) fact. D) hypothesis. E) postulate.
B
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Blood is a type of connective tissue because blood _____
A) has multiple cell types B) has an extensive extracellular matrix C) functions in transportation D) can be both liquid and solid
Why can eggs be larger than other cell types?
a. eggs contain a large store of nutrients b. eggs do not perform exocytosis c. other cell types need higher concentrations of glucose d. other cell types divide when they get too large e. other cell types require phospholipids for organelle membranes
Angiosperms are more advanced than gymnosperms
because gymnosperms lack which structure found in angiosperms? a. independent sporophyte b. pollen grains c. flowers d. spores e. seeds
Gene therapy has not yet cured any patients of their genetic disorder. Indicate whether the statement is true or false