Afarmer is planning to grow genetically modified corn on his land that has no irrigation and limited rainfall. which
genetic modification would best this farmer grow crops?
-a protein from potatoes that can make crops drought-tolerant
-an enzyme from peanuts that can make the skins of some foods tougher
-a protein from spinach that vegetables photosynthesize the sun's energy more efficiently
-an enzyme from oak trees that plants produce more seeds

Providing immunity by injecting the body with a weakened form a pathogen is known as

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.