For each of the following sentences, choose one of the options enclosed in square brackets to make a correct statement

An electron bound to a molecule with low affinity for electrons is a [high/low]-energy electron.

Transfer of an electron from a molecule with low affinity to one with higher affinity has a [positive/negative] ?G° and is thus [favorable/unfavorable] under standard conditions. If the reduced form of a redox pair is a strong electron donor with a [high/low] affinity for electrons, it is easily oxidized; the oxidized member of such a redox pair is a [weak/strong] electron acceptor.


An electron bound to a molecule with low affinity for electrons is a high-energy electron. Transfer of an electron from a molecule with low affinity to one with higher affinity has a negative?G° and is thus favorable under standard conditions. If the reduced form of a redox pair is a strong electron donor with a low affinity for electrons, it is easily oxidized; the oxidized member of such a redox pair is a weak electron acceptor.

Biology & Microbiology

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Where are bacterial chromosomes located within the cell?

A) nucleus B) nucleoid C) nucleolus D) cytoplasm E) mitochondria

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Each of the following can be the final electron acceptor in bacterial aerobic or anaerobic respiration except

A) sulfur. B) hydrogen ions. C) Fe3+. D) oxygen. E) pyruvate.

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A person with a diet very low in iron may not be able to make enough of a formed element in the blood called ________

Fill in the blank(s) with correct word

Biology & Microbiology

During cytokinesis in an animal cell, a constricting ring pinches the dividing cell into the two daughter cells. This contractile ring is formed by which of the following structures?

a. Centrioles b. Microtubules c. Microfilaments d. Z discs e. The spindle apparatus

Biology & Microbiology