When an atom's outer shell is filled it is
a. unstable.
b. an ion.
c. most stable.
d. polarized.
e. negatively charged.
C
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Water molecules are polar with ends that exhibit partial positive and negative charges. These opposite charges allow water molecules to attract each other through:
A. ionic bonds. B. covalent bonds. C. hydrogen bonds. D. peptide bonds.
Why do you think it was important to have all experiments start with guppies from both stocking tanks rather than just one of the stocking tanks? a. Stocking from both tanks is the only way to ensure enough guppies were presentfor robust data analysis
b. Because selection can only operate on alleles that are present in the population,using guppies from both stocking tanks ensured that the full range of alleles inthe natural population were also present in the experimental tank. c. It was not important to have all experiments start with guppies from both stockingtanks.
What is the basic structure of the histone octamer of a nucleosome?
What will be an ideal response?
Which of the following is used in both food production and industrial fermentation?
A. Bacillus thuringiensis B. Escherichia coli C. Listeria monocytogenes D. Pseudomonas syringae E. Saccharomyces cerevisiae