What is the common route of entry for flu viruses into a cell?
What will be an ideal response?
Flu viruses and diphtheria toxins use receptor-mediated endocytosis. The virus can attach to the receptors or to the substances the receptors accept to "hitch a ride" into the cell.
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Fingernails and toenails start to form in the ______ week of development
A. 2nd B. 3rd C. 5th D. 10th E. 16th
This figure shows a lymph node and its components. The region indicated by number 1 is a
A. germinal center. B. mantle zone. C. cortical sinus. D. medullary cord. E. medullary sinus.
How would a decrease in blood volume affect both stroke volume and cardiac output?
What will be an ideal response?
Answer the following questions true (T) or false (F)
1. Enzymes bind with substrates at their active sites and are permanently altered by the binding process. 2. Due to the low heat capacity of water, the human body is resistant to overheating and cooling down quickly. 3. A base is a hydrogen ion acceptor while an acid is a hydrogen ion donor.