An Animal's Capacity to Conserve Water and to Concentrate Solutes

question 34

Multiple Choice

An animal's capacity to conserve water and to concentrate solutes for excretion in the urine is greater in a kidney with longer

• A)Bowman's capsules
• B)loops of Henle
• C)proximal tubules
• D)ureters
• E)afferent arterioles

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Definitions:

Polygenically Determined

Traits that are influenced by multiple genes, often resulting in a continuum of possible phenotypes.

Double Helix

The structure formed by double-stranded molecules of nucleic acids such as DNA. It is often described as a twisted ladder shape.

Conception

The process in which a sperm fertilizes an egg, leading to the start of a pregnancy.

Union of Ovum and Sperm

The process of fertilization where a sperm cell combines with an ovum (egg) to form a zygote, the first stage in the development of a new organism.