Which of the Following Statements Is FALSE

question 25

Multiple Choice

Which of the following statements is FALSE?

• A) Synaptic input onto skeletal muscle cells is always excitatory, whereas inputs to smooth muscle cells may be either excitatory or inhibitory.
• B) A single smooth muscle cell may be innervated by both a sympathetic neuron and a parasympathetic neuron.
• C) Contractile activity of smooth muscle cells does not normally require Ca²⁺.
• D) In the absence of any neural input, skeletal muscle cannot generate tension.
• E) Ca²⁺ that activates contraction of smooth muscles can come from either the ECF or from the sarcoplasmic reticulum.

Understand the concept of evolutionary relationships and divergence times among species.

Grasp the structure and interpretation of phylogenetic trees, including the significance of nodes, roots, and sister species.

Identify examples of convergent evolution, evolutionary reversals, homoplasies, and synapomorphies.

Differentiate between ancestral and derived traits within a phylogeny.

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Definitions:

Oligopoly

A market structure characterized by a small number of firms dominating the market, leading to limited competition.

Secondary Labour Market

Refers to jobs characterized by low pay, job insecurity, limited career prospects, and minimal benefits, often contrasted with the 'primary' market which offers better employment conditions.

Interlocking Directorates

Are formed when an individual sits on the board of directors of two or more non-competing companies.

Conglomerates

Are large corporations that operate in several industries at the same time.