The accumulation of amino acids and sugars in animal cells can occur through
A. ATP pumps.
B. sodium-potassium pumps.
C. glucose pumps.
D. coupled transport.
E. proton pumps.
D
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The major obstacle to the use of xenotransplants is _____
a. the lack of human donors b. finding nonhumans with similar-sized organs c. resistance from opponents of genetically modified animals d. organ rejection by recipients e. the possibility of viral transfer from nonhuman primates to human patients
In the absence of oxygen, a small amount of ATP can be produced in a metabolic pathway that also produces ______ acid
Fill in the blank(s) with the appropriate word(s).
Fast neurons as described in lecture require cytoplasmic signal transduction to open an ion channel.
a. true b. false
Septa divide the actinomycete mycelia into cells, each containing a single nucleoid.
Answer the following statement true (T) or false (F)