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