You Are Given a Sample of Plant Tissue and Asked

question 52

Multiple Choice

You are given a sample of plant tissue and asked to identify the type of tissue and its location in the plant.Using your microscope,you notice two distinct layers of cells.One layer contains cells that are tightly compacted together while the other layer has loosely arranged cells.The cells in both layers contain many chloroplasts.Based on this information,you determine the tissue is

• A)mesophyll tissue from a leaf.
• B)ground tissue from a stem.
• C)vascular tissue from a leaf.
• D)mesophyll tissue from a stem.
• E)vascular tissue from a root.

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Definitions:

Presynaptic Vesicles

Membrane-bound sacs located in the presynaptic terminal of a neuron containing neurotransmitters that are released into the synaptic cleft upon stimulation.

Axon Terminals

The endings of axons responsible for releasing neurotransmitters to send signals across synapses to other neurons.

Axon Hillocks

A specialized part of the cell body (or soma) of a neuron that connects to the axon, playing a critical role in the generation of action potentials.

Neurofibrils

Fine, filamentous structures within nerve cells that provide support and are involved in the transmission of impulses.