What are the main steps of biogenesis, in the correct order?

A) Polymers, monomers, self-replicating molecules, first cells
B) Self-replicating molecules, monomers, polymers, first cells
C) Monomers, self-replicating molecules, polymers, first cells
D) Monomers, Polymers, self-replicating molecules, first cells


D

Biology & Microbiology

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The phylum Cnidaria includes (select all that apply)

A. sponges B. jellyfish C. corals D. placozoans E. comb jellies

Biology & Microbiology

What is the most direct and likely cause of coral bleaching?

A. Ocean acidification B. Warming temperatures kill the coral polyps. C. Warming temperatures kill the dinoflagellate population. D. Pollution of coastal waters E. Destructive fishing practices

Biology & Microbiology

Chemical signaling molecules, such as interleukins and interferons, secreted by white blood cells are called ______.

A. histamines B. neutrophils C. hormones D. cytokines E. complement

Biology & Microbiology

Signal sequences that direct proteins to the correct compartment are _________

(a) added to proteins through post-translational modification. (b) added to a protein by a protein translocator. (c) encoded in the amino acid sequence and sufficient for targeting a protein to its correct destination. (d) always removed once a protein is at the correct destination.

Biology & Microbiology