Without oxygen acting as the final _________, electron transport and oxidative phosphorylation would stop

Fill in the blank(s) with the appropriate word(s).


electron acceptor

Biology & Microbiology

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The term polarity is associated with mutations in eukaryotic cells

Indicate whether the statement is true or false

Biology & Microbiology

The jumping of a gene from one location to another is done by ________.

A. transformation B. conjugation C. transmission D. transduction E. transposons

Biology & Microbiology

John, a Peace Corps worker in the country of Mali in Africa, was in a car accident while traveling through a rural area.  He was treated at a tiny rural hospital, and due to his loss of blood, he required a transfusion. John has B- blood type and has never received a transfusion before.  Which statement is correct regarding this scenario?

A. He can be given types O or B, no matter whether Rh- or Rh+.  At this point in time, he does not have anti-Rh antibody.  O has no antigens on the blood cells, so he is also safe to receive that type in addition to his own B type. B. The preferred blood type to give John, in addition to his own B type blood, would be AB.  Both types of blood have the B antigen on the cells, so they would correspond to his own antigens.  As for Rh, he can receive only Rh- blood since he would have a reaction against Rh+. C. He can be given A+ blood type in addition to B+.  Rh- means that he makes no antibody to Rh. D. He can safely receive O- blood even though he makes anti-A antibodies.

Biology & Microbiology

Type 1 diabetes is considered an autoimmune disease because the body's immune system attacks and destroys insulin-producing cells in the pancreas

Indicate whether the statement is true or false

Biology & Microbiology