The Nematode Caenorhabditis Elegans ________

question 66

Multiple Choice

The nematode Caenorhabditis elegans ________.

• A) is composed of about 1,000 cells, in which the developmental origin of each cell has been mapped
• B) has only a single chromosome, which has been fully sequenced
• C) has about 1,000 genes, each of which has been fully sequenced
• D) uniquely, among animals, utilises programmed cell death during normal development

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Definitions:

Retina

The light-sensitive layer at the back of the eye that contains photoreceptor cells.

Color-Deficient Vision

A condition that affects the ability to perceive colors correctly, often referred to as color blindness.

Receptor Cells

Specialized cells designed to respond to specific stimuli like light, sound, or chemicals, converting them into signals that can be processed by the body or brain.

Wavelengths

The distance between consecutive points of the same phase in a wave, such as in sound waves, light waves, or other electromagnetic radiation.