Emery was in a serious accident and had to have a large part of his stomach surgically removed. He needed a transfusion at first, but soon he healed. However, after his recovery, he started having anemia. Why did he develop anemia, and how can this form
of anemia be treated?
What will be an ideal response?
The stomach lining makes intrinsic factor, vital for the uptake of vitamin B12. Vitamin B12 is important in red blood cell synthesis. The simplest treatment for Emery's anemia is to receive vitamin B12 injections.
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Although Dolly the cloned sheep and her nucleus donor are clones, they do not contain the same ________ DNA.
Fill in the blank(s) with the appropriate word(s).
The formation of carbohydrate (CO2 fixation) in the dark reaction of photosynthesis, takes place in the
A. nucleus. B. stroma. C. thylakoid membrane. D. cytoplasm.
The energy required to bring the substrates of a reaction together in the correct way to reach the transition state is called
A. free energy. B. entropy. C. activation energy. D. enthalpy.
Why aren't ferns commonly found in deserts?
A. Ferns are nonvascular and cannot absorb water from deep within the soil. B. Fern spores are unable to resist prolonged dry conditions. C. Fern pollen is spread by insects that do not occur in deserts. D. Fern fronds are sensitive to UV light.