Bricklayers Occasionally Need to Carry Stacks of Bricks from Their

question 45

Multiple Choice

Bricklayers occasionally need to carry stacks of bricks from their truck to the work site;this is a heavy load,but it is only carried a short distance.An examination of the muscles used to perform this work would show that they

• A) have substantial reserves of fuel.
• B) have low levels of ATPase activity.
• C) are well-supplied with blood vessels.
• D) have relatively few mitochondria.
• E) develop tension slowly.

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Definitions:

Y Chromosome

A sex chromosome found in males, typically paired with an X chromosome, determining male biological characteristics.

Dominant

Referring to a trait, gene, or allele that suppresses the expression of another trait, gene, or allele when both are present in an individual.

Recessive

Describing a gene that only expresses its trait when paired with an identical gene on the partner chromosome, often overshadowed by dominant genes.

Phenotype

The observable traits or characteristics of an organism, resulting from the interaction of its genotype with the environment.