The ________ hypothesis proposes that mitochondria and chloroplasts developed from free-living prokaryotes that invaded a precursor to the eukaryotes and established a stable relationship.
What will be an ideal response?
endosymbiotic, endosymbiote
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Depending on the particular metabolism of a bacterium, electron transport can be used to energize and rotate ATP synthase
Indicate whether the statement is true or false.
What factor allows the dominant mutant allele for Huntington's disease to persist in human populations
despite its devastating effects? a. Heterozygote advantage. b. The fact that its symptoms do not typically show until after the individual has had children. c. Its effects are not expressed in heterozygous individuals. d. Its effects are only expressed in homozygous recessive individuals. e. Its effects are only expressed in homozygous dominant individuals
A gene that contains introns can be made shorter (but remain functional) for genetic engineering purposes by using _____
A) a restriction enzyme (endonuclease) to cut the gene into shorter pieces B) reverse transcriptase to reconstruct the gene from its mRNA C) DNA polymerase to reconstruct the gene from its polypeptide product D) DNA ligase to put together fragments of the DNA that code for a particular polypeptide
Why does increasing the temperature of a chemical reaction generally increase the rate of the reaction?
What will be an ideal response?