Spherical bacteria that occur in clusters are ________
A) streptococci
B) bacilli
C) spirochetes
D) staphylococci
D
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One hypothesis on the origin of DNA points to RNA viruses evolving a modified nucleotide that is insensitive to ribonucleases
Indicate whether the statement is true or false.
Answer the following statements true (T) or false (F)
1. Most of the cells in your brain are neurons. 2. The Nernst Equation is: E = 60 mV log10 ([Xextracellular/Xintracellular]). Given this, the equilibrium potential for a given ion would be increased with an increase in its intracellular concentration. 3. The Nernst Equation is: E = 60 mV log10 ([Xextracellular/Xintracellular]). Given this, the equilibrium potential for a given ion would be increased with an increase in its extracellular concentration. 4. Action potentials are typically also graded potentials.
Which of the following species is NOT
threatened or endangered?
a. ivory-billed woodpecker b. Western prairie orchid c. Texas blind salamander d. red imported fire ants e. all of these species are threatened or endangered
Osmosis can be defined as
A) the diffusion of water. B) the diffusion of nonpolar molecules. C) active transport. D) the diffusion of a solute.