Cancer Cells Require Many Nutrients Which Are Supplied by Blood

question 32

Multiple Choice

Cancer cells require many nutrients which are supplied by blood vessels.The growth of new blood vessels into cancerous tissue is called

• A)angiogenesis.
• B)metastasis.
• C)carcinogenesis.
• D)apoptosis.

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Definitions:

Cluster Sampling

A sampling technique where the population is divided into clusters, and a random sample of these clusters is then selected for analysis.

Simple Random Sampling

A sampling method where each member of a population has an equal chance of being selected.

Standard Deviation

An indicator of the degree of spread or divergence among values in a dataset.

Standard Error

A measure of the variability (spread) of sample means around the population mean.