One type of small regulatory RNA that inhibits translation of mRNAs is called ____ (miRNA)
Fill in the blank with the appropriate word.
microRNA
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The synthesis of ATP in the chloroplast by ATP synthase depends on different concentrations of hydrogen ions in the lumen of the thylakoid and in the stroma
Compare these two compartments of the chloroplast in terms of both actual hydrogen ion concentration and pH scale values. What will be an ideal response?
A genus of primarily wind-pollinated plants includes one unusual species that has evolved to be pollinated by insects. Several morphological changes have accompanied this adaptation. The ______________ are more colorful, there is a nectary at the base of the ______________, the ________________ are shorter and produce sticky pollen, and the __________________ are stickier for enhanced pollen capture.
A. petals, stamens, sepals, carpels B. petals, sepals, stamens, carpels C. stamens, carpels, petals, sepals D. petals, sepals, carpels, stamens
Which accessory digestive organ secretes both enzymes and hormones?
a. pancreas b. gallbladder c. liver d. duodenum e. stomach
Variation in numbers of mutated chloroplast genomes can give rise to green, white, or variegated leaves. What color leaves do you expect in offspring of pollen from a white-leafed plant and ovules from a green-leafed plant?
What will be an ideal response?