Which molecule consists entirely of protein?
a. ribosomal large subunit
b. peptidyl transferase
c. aminoacyl-tRNA synthetase
d. ribosomal small subunit
Ans: c. aminoacyl-tRNA synthetase
Biology & Microbiology
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Robertsonian translocations usually occur between what types of chromosomes?
A. Metacentric B. Acrocentric C. Telocentric D. Submetacentric
Biology & Microbiology
In ____, the gray crescent establishes the ____ axis of the body
a. birds; dorsal-ventral b. frogs; dorsal-ventral c. humans; dorsal-ventral d. birds; anterior-posterior e. sea urchin; anterior-posterior
Biology & Microbiology
Plant cells called ____ form the protective coat around seeds
a. sclerenchyma b. tracheids c. collenchyma d. parenchyma e. vessel members
Biology & Microbiology
Explain what genetic ‘trick’ could have confounded Mendel is his recognition of segregation? What will be an ideal response?
Biology & Microbiology