If oxygen were present in the Earth's primitive atmosphere, then according to one hypothesis 

A. the processes leading to the origin of life would occur.
B. organic molecules could not form from inorganic molecules.
C. reduction reactions would have been possible.
D. None of these answers is correct.


B. organic molecules could not form from inorganic molecules.

Biology & Microbiology

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Which of the following most adequately describes how the Alu element may have proliferated to constitute 10% of the human genome?

A. Multiple retroelements code the same gene. B. Retroelements increase with every generation. C. A single retroelement can be copied into many RNA transcripts. D. Retroelements increase with each cell division. E. Retroelements show self-proliferation.

Biology & Microbiology

The ____________________ of STR alleles reveals how often they are observed in a population

Fill in the blank(s) with correct word

Biology & Microbiology

When comparing gene regulation in prokaryotes and eukaryotes,

a. both significantly remodel chromatin b. both have transcription and translation in separate cellular compartments c. both produce differentiated cells d. both use transcription control e. both have alternative splicing

Biology & Microbiology

BioTIPS encourages memorization of facts to understand science.

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

Biology & Microbiology