A renal ______ delivers blood to the kidney for filtration
Fill in the blank(s) with correct word
Answer: artery
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Which of the following is NOT accurate
concerning ionization? a. When one atom loses electrons, another must gain electrons. b. When an atom loses an electron, it becomes negatively charged. c. Ionic bonds form between ionized atoms. d. In the compound NaCl, Na loses an electron to become positive. e. In an ion, the number of protons and electrons is unequal
As a result of experimentation,
a. more hypotheses may be developed. b. more questions may be asked. c. a new biological principle could emerge. d. entire theories may be modified. e. all of these.
The first level of inquiry in making a systematic
survey of biodiversity is carried out a. at the ecoregion level. b. among the riparian zones. c. in hot spots. d. at the regional research station. e. on a global scale.
The key differences between cell types that allows them to be differentiated from one another are ________, the result ofÂ
A. the rate of gene expression in different cell types; varying density of RNA polymerase to produce more mRNA in some cells than others. B. the amount of protein present in different cell types; varying density of ribosomes to produce more polypeptides in some cells than others. C. the proteins being produced in each cell type; transcription factors regulating which genes are expressed and their level of expression. D. the DNA present in the nucleus of each cell type; differential sorting of chromosomes during mitosis when the cells are dividing.