EMS (ethylmethane sulfonate) is mutagenic because __________
A) it breaks phosphodiester bonds
B) it adds alkyl groups to bases
C) it forms cross-links between DNA strands
D) it makes DNA more susceptible to radiation
E) it causes chromosomal deletions
B
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Streptocoocus pyogens utilizes M protein and ________ to form microfibrils that facilitate attachment to host cells
A) lipoteichoic acid B) mucus C) plaque D) None of the answers are correct.
Compare and contrast the processes of photosynthesis and aerobic respiration. How are they similar and how do they
differ? What will be an ideal response?
What is the most likely role of the tests in a testate amoeba?
A. Provide motility B. Concentrate nutrients C. Enable adherence to surfaces D. Provide protection
The Michaelis constant (Km) of an enzyme is the substrate concentration that produces maximum velocity.
Answer the following statement true (T) or false (F)