Fungi that are important for fermentation of fruits
A. are yeasts.
B. are facultative anaerobes.
C. grow well at acid pH.
D. secrete enzymes that degrade organic molecules.
E. All of the choices are correct.
E
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Which of the following is least likely to be involved in a cell localization regulatory mechanism?
A. steroid hormone receptors B. ubiquitination of proteins C. dephosphorylation of proteins D. sumoylation of proteins
Which of the following is (are) reasons that the gray
squirrel now outnumbers the British red squirrel by 66:1. a. They actively hunt and kill the red squirrel. b. They are very good at finding the nuts hidden by the red squirrel. c. They carry a virus that kills the red squirrel. d. They outcompete for breeding areas. e. Two of these are correct.
Which of the following developed a set of postulates for determining whether a particular disease is caused by a particular pathogen?
A. John Snow B. Robert Koch C. Joseph Lister D. Louis Pasteur
Your friend claims that phloem always carries sugars down a plant. What, if anything, is wrong with that statement?
a. Phloem can carry sugars down a plant, but it can carry sugars up as well (e.g., if sugars are moving to flowers or fruits). b. Phloem can carry sugars down a plant, but it can also carry sugars to the left or to the right from its location (e.g. sugars can move to leaves). c. The statement is completely true. d. Phloem is responsible for carrying sugars down a plant while xylem carries them up.