________ can behave as an enzyme and may have been the first macromolecule leading to the first cells

Fill in the blank(s) with correct word


RNA

Biology & Microbiology

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Other types of muscular dystrophy arise due to mutations on chromosomes other than the sex

chromosomes. The common name for these other chromosomes is __________.

a. autotrophs b. autosomes c. pleiotrophs d. heterotrophs

Biology & Microbiology

The carbonic acid and bicarbonate buffer in blood is extremely important to help maintain homeostasis. What would happen to the pH of the blood if bicarbonate were removed?

A. Removing bicarbonate from the blood would not affect the pH. B. Removing bicarbonate from the blood would increase the pH. C. Removing bicarbonate from the blood would decrease the pH.

Biology & Microbiology

The subdiscipline of genomics that seeks to identify similarities and differences between genomes of different strains and species is called ________ genomics.

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

Biology & Microbiology

The fact that regeneration is a common type of reproduction in sea stars suggests that

A. sea stars have almost no predators. B. adult sea star cells retain the mechanism to form a complete animal. C. sea star populations have high levels of genetic diversity. D. all sea stars are haploid.

Biology & Microbiology