Salts and sugars work to preserve foods by creating a
A) depletion of nutrients.
B) hypotonic environment.
C) lower osmotic pressure.
D) hypertonic environment.
E) lower pH.
D
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Kingella spp. can be distinguished from Neisseria spp. by its:
a. negative test for catalase. b. positive test for lactose fermentation. c. positive test for catalase. d. negative test for oxidase.
Which of the following statements is false?
a. Transcription uses a 3 nucleotide base system referred to as a codon. b. DNA, through the use of RNA molecules, controls protein synthesis. c. Proteins made during translation can act as enzymes. d. DNA replication happens in the S phase of interphase. e. Proteins are manufactured in the nucleus.
Which of the following statements concerning metastatic tumors is FALSE?
a. They are examples of neoplasms. b. They contain cancer cells. c. They have escaped controls on cell division. d. They are caused by the altered expression of genes. e. They are localized in one part of the body.
ADH increases ______.
A. urine volume B. reabsorption of water from the kidney C. blood osmolarity D. Two of the above