A molecule of water in the middle of a chunk of ice will usually have ____ hydrogen bonds with other
water molecules.
a. 3
b. 3.4
c. 6
d. 4
e. 2
D
You might also like to view...
When Rebecca Cann decided to research on the evolution of humans, she chose to study mitochondrial DNA. Which of the following explains why she chose this type of DNA?
A. because mitochondrial DNA is more abundant and therefore easier to extract B. because mitochondrial DNA is recombined from generation to generation and offers a look at the lineage of the human population C. because mitochondrial DNA is circular D. because mitochondrial DNA lasts longer in the tissues
Fungal cell walls consist primarily of ____
a. cellulose b. lignin c. chitin
d. pectin e. protein
A genetic disorder characterized by impaired blood clotting is ____
a. leukemia b. sickle cell anemia c. hemophilia d. atherosclerosis e. hypertension
Ionizing radiation
a. breaks apart chromosomes. b. alters genes. c. extends the length of the DNA molecules. d. links DNA molecules together. e. both breaks apart chromosomes and alters genes.