Whereas _______ reactions are spontaneous and release energy, _______ reactions require an input of energy in order to occur.
Fill in the blank(s) with the appropriate word(s).
Ans: exergonic, endergonic
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Deuterostomes are characterized by ____ and ____ cleavage
a. radial; determinate b. radial; indeterminate c. spiral; determinate d. spiral; indeterminate e. blastopore;synapomorphy
In the interaction of two types of organisms in a habitat, one organism benefits from its interaction with the other, but the other organism suffers. What is the name for this interaction?
a) destructive b) commensalism c) parasitism d) selective e) dependent
Which type of medium suppresses the growth of unwanted bacteria and encourages growth of desired microbes?
A. differential media B. complex media C. selective media D. enrichment media
An atom has two electrons in its inner energy shell, eight in the second, and one in the outermost shell. What is most likely outcome for this atom in terms of chemical bonding
A. This atom will share enough electrons to fill its outermost shell B. The atom will take electrons to fill its outermost shell, becoming negatively charged ion C. The atom will lose its outermost electron becoming an ion with a charge of +1 D. It will share its single electron with another ion