Based on estimates that consider the NPP of Earth and human use of these resources, what is the carrying capacity of people calculated by scientists?

A) 6.6 billion
B) 10.6 billion
C) 21 billion
D) 40 billion


C

Biology & Microbiology

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Which of the following has the longest fossil record?  

A.  Homo sapiens B.  Homo erectus C.  Homo habilis D.  Homo neanderthalensis E.  Homo heidelbergensis

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In Escherichia coli, if ?70 is not bound to RNA polymerase core enzyme, active transcription of the gene is not occurring.

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

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An individual with a malignant tumor is said to have _______

Fill in the blank(s) with the appropriate word(s).

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Which structure "unzips" the double helix of DNA during transcription?

A. an anticodon B. mRNA C. IRNA D. RNA polymerase

Biology & Microbiology