Nerves and Hormones

7 important questions on Nerves and Hormones

Describe the IVF process

Egg is removed, sperm is inseminated, egg is incubated, embryo is transferred into the womb

Describe the different 'tropisms'

Phototropic means sensitive to light, geotropism means sensitive to gravity, hydrotropism means sensitive to water

Where are auxins produced?

The stem tip
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How do humans use plant hormones?

By placing plant cuttings into rooting powder, roots grow more quickly and then when they are transferred to soil, they grow

What happens if a toxin causes the effect of an impulse/chemical on the motor neurone to decrease?

No contraction/production of hormone

What happens if a toxin causes a greater amount of chemical to be produced at the synapse?

More contraction/more hormone produced

What are the side effects of the oral contraceptive pill?

Changes in weight, changes in blood pressure, mood swings

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