What does the term biogenesis mean?

A. Formation of life from nonliving chemicals
B. Formation of self-replicating molecules
C. Formation of chemicals from organic monomers
D. Formation of life from preexisting cells


Answer: A

Biology & Microbiology

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What are the main causes of biodiversity loss?

A. Invasive species, pollution, and climate change B. Habitat destruction, overharvesting, and invasive species C. Habitat destruction, overharvesting, invasive species, pollution, and climate change D. Habitat destruction, invasive species, and climate change

Biology & Microbiology

Of all the different codons that exist, three of

them

a. are not used in any organisms. b. do not code for an amino acid. c. code for non-functional amino acids. d. signify ‘start here’. e. do more than one of these things.

Biology & Microbiology

How many coding codons are there?

a. 4 b. 20 c. 30 d. 60 e. 64

Biology & Microbiology

The longest wavelength of visible sunlight is:

a. Blue b. Violet c. Red d. Yellow

Biology & Microbiology