The length of the lag phase of growth can vary depending on
A. the nature of the growth medium.
B. the temperature.
C. the condition of the microorganisms.
D. All of the choices are correct.
Answer: D
You might also like to view...
Most taxonomic groups with simple multicellular organisms never gave rise to complex multicellular descendants
A. true B. false
Under what circumstances would a molecular geneticist need to use a bacterial artificial chromosome (BAC)?
A. when cloning small, prokaryotic genomes B. when cloning small, eukaryotic genomes C. when cloning large, eukaryotic genomes D. when the DNA inserts to be used for cloning are very small E. when sequencing small proteins
Autism, Alzheimer disease, Parkinson’s disease, and schizophrenia are all associated with ____
a. copy number variants b. fragile sites c. inversions d. deletions e. translocations
Which of the following statements concerning phytochrome-induced responses is FALSE?
a. All responses are very rapid and short-term. b. Red light causes potassium channels to open. c. The absorption of light by one part of the phytochrome molecule triggers a conformational change in another part. d. Phytochrome activates transcription of the gene for a subunit of rubisco. e. Far-red light causes potassium channels to close.