Recent studies have shown that cells of the dorsal lip of the blastopore contain active ________ genes that code for proteins that are able to induce the development of other cells
Fill in the blank(s) with correct word
homeobox
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A cellular structure found in plant but not animal cells is the:a
chloroplast. b. ribosome. c. endoplasmic reticulum. d. microtubule. e. microfilament.
What two experimental procedures allowed deciphering of the ordered triplet assignments of the genetic code?
What will be an ideal response?
What has the overuse of antibiotics led to?
A) Bacterial strains that are more susceptible to antibiotics. B) Resistant strains of bacteria that are immune to antibiotics.
By their experimentation using the Neurospora fungus, Beadle and Tatum were able to propose the far-reaching hypothesis that ________
A) prototrophs will grow only if provided with nutritional supplements B) the role of a specific gene is to produce a specific enzyme C) genetic recombination occurred in Neurospora D) more than one codon can specify a given amino acid E) several different enzymes may be involved in the same step in a biochemical pathway