Which particle is described incorrectly?
A) Electron: Found in shells orbiting the nucleus
B) Proton: Found in shells orbiting the nucleus
C) Electron: Negatively charged and negligible mass
D) Proton: Positively charged and 1 atomic mass unit
E) Neutron: Found in the nucleus and 1 atomic mass unit
Answer: B
You might also like to view...
What is the difference in the bonding between alpha-helix and beta sheets?
A. Hydrogen bonding between the amides only occurs in one of these two types of secondary structures. B. Hydrogen bonding occurs between the amides of adjacent chains in the sheets instead of between the amides in different parts of the helices. C. Sulfur bridges allow the spring like turns in alpha helices and van der Waals dispersion allows the folds in beta sheets. D. Hydrogen bonding always occurs in the alpha helices but only occurs in parallel beta sheets.
During exercise, which pathway produces the
most energy?
a. lactate fermentation b. anaerobic respiration c. aerobic respiration d. use of stored ATP e. all of these produce the same amount of energy
Food chains rarely have more than three levels of consumers because
a. the animals are too large to search for prey. b. the growing season of plants is not long enough. c. pyramids do not go that high. d. the amount of energy available is too small. e. humans intervene.
In Burkitt's lymphoma, t(8;14) translocation involves which of the following genes?
A. BRCA1 (DNA repair gene) B. C-Myc (transcription factor gene) C. K-Ras (GTP-binding protein gene) D. p53 (DNA damage response gene) E. ErbB2 (growth factor receptor gene)