When giving a lecture on GM crops, what concerns may come up in conversation and what research supports or does not support these concerns? (Select all that apply.)A) Environmental issues such as the growth of monarch butterflies on GM corn. However, research shows us that milkweed is the preferred site of egg laying.B) Gene flow from GM crops into wild plants. Certain plants such as soy are grown in places where there are no related plants and therefore genetic information can not cross over.C) Can GM foods be harmful when ingested? Proteins engineered into crops in the USA to produce glyphosate tolerance have not been shown to activate allergic responses.D) The destruction of all insects with inserted genes for toxins. Research shows us that even with the death of many insects some
will always survive.
What will be an ideal response?
A, B, C
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A reproductive cell, or gamete, has:
A. one allele for each gene. B. two alleles for each gene. C. one allele for each gene if it is homozygous and two if it is heterozygous. D. one allele for each gene if it is truebreeding and two if it is an F1 offspring. E. between one and four alleles for each gene.
The principal driving force for movement of water into and through the plant shoot is
a. passive transport. b. sunlight. c. root pressure. d. upward pressure as sugar is forced into the roots. e. pumping by the xylem cells.
Underground stems with fleshy leaves used for storage of water and food are known as:
a. tendrils. b. spines. c. bulbs. d. buds. e. stipules
When a motor neuron forms a synapse to a muscle fiber, (A)________ levels are up regulated by Neuregulin. In addition, (B)_______ binds to its receptor MuSK and (C)_____ mediates the clustering of ACh receptors.
a. (A) NMDA receptor, (B) rapsyn, (C) CamKII b. (A) NMDA receptor, (B) rapsyn, (C) MuSK c. (A) ACh receptor, (B) agrin (C) rapsyn d. (A) ACh receptor, (B) agrin (C) CamKII