Inserting a cloned gene for a plasma membrane transporter into crop plants could lead to
A. the ability of a plant to produce its own micronutrients.
B. extra uptake of minerals that would fortify the crop for human consumption.
C. the evolution of nodule-formation on the crop plant.
D. elevated CO2 levels in the atmosphere.
E. plants taking up enough minerals that they no longer need to photosynthesize.
B. extra uptake of minerals that would fortify the crop for human consumption.
For many plants, the uptake of nutrients from the soil is limited by plasma membrane transport. Genes that code for these membrane transporters are being inserted into crop plants to make them more efficient at obtaining nutrients from the soil.
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A Women's Studies professor wants her students to learn more about their bodies, so she asks the female students to measure their basal body temperature daily. A small rise in temperature indicates that ovulation is occurring. However, some students do not record a change in temperature -- which ones?
A. Students with IUDs. B. Students using oral contraceptives, hormonal implants, or injections. C. Students who have never had intercourse. D. Students using any form of birth control.
What form of energy do all living organisms use?
A) sunlight B) radiation C) chemical bonds D) nuclear energy E) heat
What is the raw material for evolution?
What will be an ideal response?
The scrotum is a sac-like structure outside the abdomen in which the testes are suspended. Why is this structure essential?
A. There is too much hormonal influence if they remain in the abdomen. B. There is not enough space in the abdomen to grow properly. C. Lower temperature is required for normal development of sperm. D. Sperm must be closer to the penis to be ejaculated.