Because transmission electron microscopy uses electrons rather than light, it is not necessary to stain biological specimens before observing them.
Answer the following statement true (T) or false (F)
False
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How is cell division different in plants versus animal cells?
What will be an ideal response?
How did the researchers first know that Marilyn the chimp may be infected with HIV?
a. Because she had HIV RNA in her blood b. Because she had HIV DNA in her tissues c. Because she had been used in HIV research d. Because she had raised antibodies against HIV e. Because she had symptoms of HIV infection, or AIDS
Please choose the statement that best describes the immunologic basis of organ or tissue rejection after transplantation.
A) Specific T cell populations recognize non-self MHC molecules on transplanted tissue and mount a cell-mediated immune response damaging the transplant. B) Transplanted tissue is normally rejected only if it becomes infected. C) Organ/tissue transplant rejection is mostly due to Type 2 cytotoxic reactions mediated by IgG and IgM. D) IgE antibodies as well as basophils and mast cells attack the transplanted tissue if they recognize it as "non-self."
Flavoenzymes oxidize an electron donor then direct the two electrons to two different recipients having different reduction potentials.
Answer the following statement true (T) or false (F)