A young woman decides to become a vegan and suddenly cuts out all animal products from her diet. She also makes the decision to no longer eat sugar. This will result in:
A. both more bacteroidetes and fewer
firmicutes being present in her intestines.
B. both more firmicutes and fewer
bacteroidetes being present in her intestines.
C. fewer bacteroidetes being present in her
intestines.
D. more firmicutes being present in her
intestines.
E. no change in the composition of her
intestinal bacteria.
A
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A mutation has occurred during DNA replication while the cell was preparing to divide. As a result of this, the codon ACU of mRNA has now become ACC. Interestingly, there is no change to the protein being made. Why not?
A. This is not a mutation that causes a big change, so there is no change to the protein being made. B. This is a silent mutation. C. The original amino acid isoleucine was changed to leucine, but they are the same variation of amino acid so no change to the protein. D. The mutation was fixed, and even though the codon is now ACC the correct amino acid is put into place for the normal protein.
This portion of the vestibular apparatus is responsible for dynamic equilibrium
A) semicircular canals B) otoliths C) vestibule D) sensory cells
Following fertilization, human chorionic gonadotropin is responsible for maintaining the corpus luteum. Indicate whether the statement is true or false
Which of the following additions have been made to principles of the central dogma of biology?
A. RNA can be used to regulate gene function. B. DNA codes for proteins. C. DNA information cannot be converted into RNA information. D. Protein information can be converted into DNA information. E. All of these choices are correct.