Proteins are essential parts of all structures and biological processes in cells

a. True
b. False
Indicate whether the statement is true or false


True

Biology & Microbiology

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Why is meiosis necessary for sexual reproduction?

What will be an ideal response?

Biology & Microbiology

The half-life of carbon-14 is approximately 5,700 years. How much of an initial 1.0 gram sample of carbon-14 will remain after 11,400 years (two half-lives)?

a. 0.33 grams (33%) b. 0.5 grams (50%) c. 0.25 grams (25%) d. 0.12.5 grams (12.5%)

Biology & Microbiology

The urinary and reproductive systems in the female are entirely separate.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Among current bacteria, those with the most in common with mitochondria are the Rickettsia (that cause typhus). What does this mean about Rickettsia's place in the evolution of endosymbiosis?

What will be an ideal response?

Biology & Microbiology