the elment that enters in the structure of haemoglobin is ….
A. sulphur
B. iron
C. phosphorus
D. cobalt
Select your answer:
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Bacterial Protein Synthesis Inhbitors › ViewWhich of the following statements accurately describes the difference in spectrum of activity between erythromycin and azithromycin?
A. Azithromycin has better activity against respiratory pathogens such as Haemophilus influenzae and Moraxella catarrhalis but less potent activity against staphylococci and streptococci.
B. Erythromycin has the same activity as azithromycin against gram-positives and gram-negatives
C. Azithromycin has better activity against staphylococci and streptococci compared to erythromycin
D. Erythromycin has better activity against gram-negatives such as H. influenza.
Diet › View
Which of the following foods is a good source of protein?
A. Fruit
B. Salad
C. Butter
D. Meat