Which would most likely pass unaided through a plasma membrane?
A. Something small and polar, such as a water molecule
B. Something small and nonpolar, such as nitrogen gas
C. Something large, such as a glucose molecule
D. Something small and charged, such as an ion
Answer: B
You might also like to view...
A human karyotype showing 22 pairs of autosomes and two X chromosomes would be
a. a normal male. b. a normal female. c. an abnormal male. d. an abnormal female. e. a human whose sex cannot be determined.
A screening system called the ________ test is used for detecting chemicals with carcinogenic potential.
A. Iowa B. mutation C. Ames D. Koch E. cancer
A BLAST search can be used for which of these applications?
A) to compare a nucleotide or amino acid sequence to databases from a variety of species B) to display the reading frame of a nucleotide sequence C) to determine whether a gene has an essential function in an organism D) to analyze microarray data E) to visualize the locations of all the genes on a single chromosome
Hydrogen bonding can take place between a hydrogen atom and what other atom?
A) Oxygen B) Nitrogen C) Hydrogen D) Fluorine E) Nitrogen, oxygen, and fluorine