Research by Christopher Cullis Has Shown That ____

question 63

Multiple Choice

Research by Christopher Cullis has shown that ____.

• A)the genome size of plants varies little between species
• B)the genome size of individual plants of the same species is constant
• C)a plant's environment can act as a selective agent to establish advantageous variants, but these variants cannot be transmitted to the next generation
• D)a plant's environment can act as a selective agent to establish advantageous variants, and these variants can be transmitted to the next generation
• E)the genome size of plants is related to plant size

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Definitions:

Sarcoplasmic Reticulum

A specialized type of smooth endoplasmic reticulum found in muscle cells, involved in the storage and release of calcium ions during muscle contraction.

Postsynaptic Membrane

The part of the neuron or muscle cell that receives signals from the presynaptic neuron via neurotransmitters across the synaptic gap.

Acetylcholine

A neurotransmitter in the central and peripheral nervous systems, playing key roles in muscle activation, memory formation, and many other physiological functions.

Neurotransmitter

Chemical messengers that transmit signals across a chemical synapse from one neuron to another target neuron, muscle cell, or gland cell.