Which of the following is MOST effective against resistant endospores?
A. Pasteurization
B. Autoclaving
C. Boiling
D. All of these are equally effective against resistant endospores.
Answer: B
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Answer the following statements true (T) or false (F)
1. Overall brain size across mammals (e.g., an elephant vs. a bat) is a good predictor of behavioral complexity. 2. Cranial nerves are connected directly to the brain. 3. The somatic nervous system primarily regulates involuntary responses. 4. The sympathetic and parasympathetic divisions of the autonomic nervous system tend to have opposing actions on target organs. 5. A protein synthesis inhibitor would block learning in a human, but would have no effect in a simple invertebrate like Aplysia.
Fecal Bacteriotherapy?
What will be an ideal response?
A gene mutation
a. is a change in the nucleotide sequence of DNA. b. may be caused by environmental agents. c. may arise spontaneously. d. can occur in all organisms. e. all of these
Sometimes when I have my morning coffee, which I drink black with no cream or sugar, I notice a thin film floating on top of the coffee
Since I have just read Chapter 3 of the text, I now realize the nature of this substance and so I run to my friend screaming, "Look at this ________ in my coffee!" A) hydrophilic substance B) hydrophobic substance C) disaccharide D) polysaccharide