Oxidation involves the ________ , and reduction involves the
A) loss of electrons; gain of electrons B) loss of oxygen; gain of oxygen
C) gain of electrons; loss of electrons D) gain of oxygen; loss of oxygen
Answer: A
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You are planning to perform some protein-protein interaction studies to identify a receptor for a steroid hormone you have been working on. You start by fractionating the cell. What cell fraction would you want to work with to identify the steroid hormone receptor of interest?
A. The plasma membrane fraction B. The extracellular fraction C. The cytoplasmic fraction D. The mitochondrial fraction E. The ribosomal fraction
A human cell has
A) 22 pairs of sex chromosomes and one pair of autosomes. B) 22 pairs of autosomes and one pair of sex chromosomes. C) 23 pairs of autosomes. D) 23 pairs of autosomes and a pair of Y chromosomes.
Which of the following groups of Archaeplastids have features more closely related to the ancestral cyanobacterial endosymbiont than any other algae?
A. red algae B. green algae C. viridoplantae D. glaucocystophytes E. streptophyte algae
A birdhouse is nailed into a tree 6 feet up from the ground. If the tree grows about 2 feet taller each year, where will the birdhouse be 25 years later?
A. 50 feet B. 6 feet C. 4 feet D. 26 feet E. 56 feet