Which genus is the most common resident biota of mouth surfaces?
A. Haemophilus
B. Escherichia
C. Lactobacillus
D. Streptococcus
E. Mycobacterium
Answer: D
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Plants perform photosynthesis by using the
energy of ____ to power production of sugars from ____ and ____ molecules.
a. organic molecules; oxygen; water b. organic molecules; carbon dioxide; water c. sunlight; carbon dioxide and oxygen; water d. sunlight; oxygen; water e. sunlight; carbon dioxide; water
What is the purpose of molecular chaperones?
a. To transfer an amino acid b. To attach a carboxyl group c. To straighten other molecular proteins d. To strengthen the tertiary structure of a protein e. To assist the folding of other molecular proteins
The members of ________ include dinoflagellates, apicomplexans, and ciliates.
Fill in the blank(s) with the appropriate word(s).
The loss of genetic information no longer needed for an intracellular existence by an obligate parasite is called genomic ________.
Fill in the blank(s) with the appropriate word(s).