Answer: Option A. "tetracyclines"
Explanation:
Tetracyclines are defined as a group of broad-spectrum antibiotics that are either isolated directly from several species of Streptomyces bacteria or can be synthesised semi-synthetically.
Tetracyclines act as inhibitors of growth rather than killing the infectious agent. Tetracyclines passively diffuse through porin channels present in bacterial membrane. it reversibly bind to the bacterial 30S ribosomal subunit to inhibit protein synthesis and prevents the aminoacyl transfer ribonucleic acid (tRNA) from binding to A site of the ribosome.
Hence, it is proved that tetracyclines bind to 30s ribosomal subunit rather than 50S ribosomal subunit in the ribososmes.
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The metabolic pathway based on products produced is ;
- 4 ATP and 4 Hydrogen ions
The product 4 ATP + 4 Hydrogen ions is formed through a metabolic pathway ( glycolysis ) whereby glucose is oxidized to obtain ATP.
A metabolic pathway is series/chain of chemical reactions feeding each other and occurring mostly in living organisms. A common example of a metabolic pathway is the breaking down of glucose in human body ( glycolysis ).
Hence we can conclude that the metabolic pathway based on products produced is 4 ATP + 4 Hydrogen ions.
Learn more : brainly.com/question/15203436
The erythema response of skin to ultraviolet radiation (UVR), i.e., the sunburn reaction, has long been known to correlate with skin color. Dark-skinned individuals are able to tolerate a longer sun exposure than light-skinned individuals. Skin color in humans is mainly determined by the quantity, quality, and distribution of the complex biopolymer, mel~ni1_1, and its organized form, the melanosome (1,2}; melanm IS thought to protect skin from the deleterious effects of UVR.
