__________ contains the codes for the sequence of amino acids in protein.
A) Messenger RNA
B) Transfer RNA
C) Ribosomal RNA
D) Micro RNA
Ans: A) Messenger RNA
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Eukaryotes have ________ in their cytoplasmic membranes, which serve to strengthen and stabilize the membrane and make it less flexible. Many bacteria have similar molecules, known as ________, in their cytoplasmic membranes that have a similar role
A) ether bonds / ester bonds B) lipids / phospholipids C) sterols / hopanoids D) phospholipids / lipopolysaccharides
The first phase in normal cellular respiration and the only one occurring in the cytoplasm is called ________
A) the citric acid cycle B) glycolysis C) electron transport D) None of the above is correct.
Which of the following is a possible intermediate during pre-rRNA processing?
a. An RNA molecule containing 18S + 5.8S rRNAs b. An RNA molecule containing 5.8S + 28S rRNAs c. An RNA molecule containing 5S + 28S rRNAs d. An RNA molecule containing 18S + 28S rRNAs
The genus Bdellovibrio ________.
A. prey on Gram-negative bacteria by becoming an intracellular parasite B. are responsible for causing diarrhea in humans C. form long filaments called trichomes D. use reduced sulfur compounds as a source of energy