Loss of the cell wall was required for the endomembrane system theory.
a. true
b. false
Answer: a. true
Biology & Microbiology
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The transcribed and translated region of a gene is the ________ region.
A. coding B. trailer C. promoter D. leader
Biology & Microbiology
An organism that can use energy and inorganic substances to produce all the organic material it requires is a(n)
A. consumer. B. decomposer. C. autotroph. D. secondary consumer. E. heterotroph.
Biology & Microbiology
In the genetic code, when the first two nucleotides of a triplet are identical and the third letter is U or C, the codon always codes for the same amino acid
Indicate whether the statement is true or false
Biology & Microbiology
Which of the following viruses can establish a chronic infection of the liver which may progress to liver cancer?
A) hepatitis A B) HTLV-1 C) hepatitis C D) hepatitis D E) hepatitis E
Biology & Microbiology