Tanning increases the number and density of melanocytes in the epidermis

Indicate whether the statement is true or false


FALSE

Biology & Microbiology

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Why did scientists originally believe that proteins, rather than DNA, were the molecules that directed protein synthesis?   

A. Proteins were the more complex molecules in which genetic information could be stored.  B. Proteins were more likely to have catalytic properties for synthesis reactions. C. At the time, more was known about the structure of proteins than that of DNA. D. Proteins were the same types of molecules as those that were being synthesized.

Biology & Microbiology

An organism with an incompletely lined body cavity around the gut is termed a(n) ________ animal

a. coelomate b. acoelomate c. pseudocoelomate d. protostome

Biology & Microbiology

Most organisms in the intertidal zone of sandy shores burrow into the sand

Indicate whether the statement is true or false

Biology & Microbiology

DNA is made of:

A) fatty acids. B) nucleotides. C) transcriptase. D) amino acids. E) four interconnected carbon rings

Biology & Microbiology