Which structure is found in angiosperms but not gymnosperms?
A) fruit
B) spores
C) seeds
D) ovule
Answer: A
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In microarrays, the oligonucleotides that are attached have the fluorescent tag, whereas the DNA fragments being tested do not
A. true B. false
A mutant protein has been designated as G189A. What does this designation reveal about the mutation?
A. That a G nucleotide has been exchanged for an A nucleotide 189 bases from the 5' end of the coding region. B. That a glycine in position 189 of the protein is now an alanine. C. That an A nucleotide has been exchanged for a G nucleotide 189 bases from the 5' end of the coding region. D. That a glycine is now in position 189 of the protein instead of an alanine. E. That a nonsense mutation occurred at position 189 of the protein.
Firewood is made up of cellulose, which is a polymer of glucose molecules. When burning, heat and light are given off, indicating that a(n) reaction is occurring.
A. potential energy B. endergonic C. equilibrium D. kinetic energy E. exergonic
When the ?G°' of a chemical reaction is positive (K'eq < 1.0) under standard conditions,
A) reactants and products are at equilibrium. B) work can be done under these conditions. C) reactants predominate over products. D) the reaction is spontaneous to the right. E) the reaction is exothermic.