Eukaryotic mRNAs are modified by addition of a poly(A) sequences at the 3' end and 7-methyl guanosine at the 5' end.
Answer the following statement true (T) or false (F)
True
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Rosalind Franklin’s research contribution was
essential in a. establishing the chemical composition of DNA. b. establishing the principle of base pairing. c. establishing the principal dimensions of the DNA molecule. d. determining the sequence of nucleotides in DNA. e. determining the covalent bonding angles within DNA nucleotides.
Some bacteriophages can be either lytic or lysogenic. These are called ________ phages
Fill in the blank(s) with correct word
Which of the following genetic disorders can be identified through genetic screening?
A.) avian influenza B.) tuberculosis C.) cystic fibrosis D.) yellow fever
Helicobacter pylori produces (cytotoxin/hyaluronidase/urease), a unique virulence factor important to colonizing the digestive system.
Fill in the blank(s) with the appropriate word(s).