An infectious protein is a
A. virus.
B. viroid.
C. prion.
D. virion.
E. prophage.
C. prion.
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An early step in shotgun sequencing is to _____
A) break genomic DNA at random sites B) map the position of cloned DNA fragments C) randomly select DNA primers and hybridize these to random positions of chromosomes in preparation for sequencing
The molecule directly responsible for breaking down cAMP to inactive AMP is ______.
A. phosphodiesterase B. GTPase C. protein kinase A D. adenylyl cyclase E. protein phosphatase
Which of these describes the type of reproduction that is most adaptive in a rapidly changing environment with many different parasitic diseases present?
A) asexual reproduction because the currently successful genotypes can reproduce quickly B) asexual reproduction, because asexual reproduction uses less energy, which leaves more for each individual to adapt to the changing environment C) sexual reproduction because the diversity of genotypes increases the likelihood that there is one which can survive in a new environment D) sexual reproduction because this type of reproduction allows the production of a greater number of offspring thus providing more individuals to take advantage of any environmental challenges presented
Electrons lose energy as they pass down the electron transport chain. What is this energy used for?
A) to power hydrogen ion pumps B) to power water pumps C) to directly power ATP synthase D) to link oxygen to hydrogen ions