Who demonstrated that phage genetic material is DNA and not protein?
A. Avery, MacLeod, and McCarty
B. Hershey and Chase
C. Chargaff
D. Franklin
E. Watson and Crick
Answer: B
Biology & Microbiology
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Describe how you have applied or could apply the scientific method to an everyday problem.
What will be an ideal response?
Biology & Microbiology
Pure water has a water activity value of
A. 1.00. B. 0.80. C. 0.70. D. 0.90.
Biology & Microbiology
Natural selection can alter gene frequencies in a population because
A) carriers of inherited disease rarely survive to reproduce. B) it maintains alleles that improve survival to sexual maturity. C) it compensates for defects caused by deleterious alleles. D) individuals with deleterious alleles selectively interbreed.
Biology & Microbiology
What are two functions of mucilage in algae?
What will be an ideal response?
Biology & Microbiology