Which of the following statements about the atom 126C is false?
a. It has 6 protons in its nucleus.
b. It has 12 neutrons in its nucleus.
c. It has 6 electrons orbiting the nucleus.
d. Its atomic number is 6.
e. Its atomic weight is 12.
Ans: b. It has 12 neutrons in its nucleus.
You might also like to view...
Which one of the following can lead to changes in chromatin structure and is often associated with activation of transcription?
A. methylation of RNA polymerase B. addition of methyl or acetyl groups to lysines located in the histone tail C. methylation or acetylation of the phosphodiester link between cytosine and guanine D. addition of lysine to CpG sites along the histone tail E. the presence of cytosine and guanine in a repeating sequence in the histone tail
A pile of castings outside the burrow of a polychaete indicates it
a. has just dug a burrow. b. has completed a meal of other worms. c. is a filter feeder. d. is a selective deposit feeder. e. is a nonselective deposit feeder.
How do histones bind to DNA?
a. by an ionic attraction to the nitrogenous bases of DNA b. by hydrogen bonding with the nitrogenous bases of DNA c. by hydrogen bonding to the deoxyribose sugars of DNA d. by an ionic attraction to the phosphate groups of DNA
Important biological molecules that have a carbon backbone bonded to hydrogen atoms are considered to be ________
Fill in the blank(s) with correct word