Woese and his co-workers demonstrated that the Archaea were different from the Bacteria because of
differences noted in their:a.
mechanism of cellular respiration.
b. preferred habitats.
c. signature sequences of SSU rRNA.
d. ability to utilize oxygen..
e. resistance to antibiotics
C
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If a mutagenesis screen provides some number (e.g., 24 ) of alleles shown by complementation analysis to be in the same gene, which of the following is true?
A) These mutants can be used to identify the role of the gene in metabolism. B) The gene being studied must be present in more than one copy per haploid genome. C) The gene, in whole or in part, must be involved in transformation. D) The gene must be highly conserved in evolution. E) The gene must be involved in regulating a signal pathway.
Which paired terms are incorrectly matched?
a. classical conditioning?extinction b. habituation?relevant stimuli c. imprinting?behavioral bonding d. insight?trial and error e. operant conditioning?reward
MT is a 45 year old female who comes to the clinic complaining of more fatigue than normal and constipation. On exam you notice the patient has some dry patches and looks a bit depressed. Her past medical history is significant for GERD for which she takes Dexilant and Maalox. The Labs showed high levels of TSH and low levels of T4. The physician is considering Thyroid medication for MT. Which of the following is considered most appropriate for initial therapy?
a) Armour b) Levothyroxine c) Thyrolar d) RAI 131 e) Propranolol
Which of the following statements is the most accurate in regards to mice pups who receive less maternal nurturing?
A) As adults their brains are heavily mutated. B) As adults they have increased promoter methylation. C) As adults they have increased ability to adapt to stress. D) As adults they are more likely to nurture their offspring. E) As adults they have high levels of glucocorticoid receptor expression.