When water freezes, stable hydrogen bonds form between the water molecules that create an open, six-sided (hexagonal) arrangement

Indicate whether the statement is true or false


TRUE

Biology & Microbiology

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How does the phosphorylation of galactose differ from the phosphorylation of glucose, mannose, and fructose prior to catabolism?

A. Phosphorylation of galactose requires NADPH to phosphorylate galactose-1-phosphate B. Phosphorylation of galactose requires ATP to phosphorylate galactose-1-phosphate C. Phosphorylation of galactose requires PEP (phosphoenolpyruvate) to phosphorylate galactose-1-phosphate D. Phosphorylation of galactose requires UTP to phosphorylate galactose-1-phosphate E. Phosphorylation of galactose requires TTP to phosphorylate galactose-1-phosphate

Biology & Microbiology

Which of the following attaches to specific amino acids?

A) Messenger RNA B) DNA C) Ribosomal RNA D) Transfer RNA E) RNA polymerase

Biology & Microbiology

How many genes are generally found for every million bases of prokaryotic DNA?

A. 10 B. 1,000 C. 100 D. 10,000 E. 100,000

Biology & Microbiology

True or False: Pasteur discovered that Aspergillus exclusively acts on only one of the two isomeric forms of tartrate, showing that organisms can discriminate between optical isomers

a. TRUE b. FALSE

Biology & Microbiology