The atomic number of an atom is defined as the
A) number of neutrons in the atomic nucleus.
B) total number of electrons and neutrons.
C) total number of energy shells.
D) number of protons in the atomic nucleus.
E) number of electrons in the outermost energy level.
D
You might also like to view...
Which of the following is a component of a vertebrate kidney (select all correct choices)?
A. glomerulus B. Bowman's capsule C. renal tubules D. collecting ducts E. Malphigian tubules
Explain how species that are not closely related can look or behave so similarly. Give an example
What will be an ideal response?
During protein synthesis, ribosomes:a
attach to the mRNA molecule and travel along its length. b. attach to the DNA molecule and travel along its length to produce an mRNA molecule. c. translate mRNA into tRNA. d. transcribe mRNA to tRNA. e. translate mRNA into DNA.
Which of the following is not a characteristic of osmosis?
a) Water flows from an area of low solute concentration to an area of high solute concentration. b) It occurs across a membrane freely permeable to water. c) It occurs across a membrane freely permeable to solutes. d) It is a passive process.