An mrna is 429 nucleotides long. the number of amino acids in the polypeptide chain formed from this mrna is
(a) 143.
(b) 142.
(c) 141.
(d) 429.
(e) 428.

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

Plz quick a natural resource that is replaceable through a cycle in nature or sustainable practice is called a? the subject is science

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.