Organisms with only one photosystem cannot __________
A. reduce CO2
B. reduce H2O
C. produce O2
D. oxidize H2S
E. reduce NADP+
C
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How is a T cell receptor similar to an IgM?
A. Both are produced by T cells. B. Both can bind to a specific antigen. C. Both are organized with variable and constant segments. D. Two answer options are correct: both can bind to a specific antigen AND both are organized with variable and constant segments.
Sublimation
What will be an ideal response?
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
As ice melts
A) hydrogen bonds are broken. B) water molecules become less tightly packed. C) the water becomes less dense. D) heat is released.