Why are the leading causes of death in high-income countries heart disease, stroke, and cancer, while in low-income countries infectious diseases are the leading causes of death?

A. There are genetic differences between populations.
B. The population density in high-income countries is clustered.
C. Access to sanitation, vaccines, and antibiotics is greater in high-income countries.
D. The population density in high-income countries is larger.
E. The ecological footprint in high-income countries is larger.


C. Access to sanitation, vaccines, and antibiotics is greater in high-income countries.

Biology & Microbiology

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In a population of Mendel's garden peas, the frequency of green flowered plants (genotype aa) is 49%. The population is in Hardy-Weinberg equilibrium. What are the frequencies of the AA and Aa genotypes?

A. 49% AA, 2% Aa B. 9% AA, 42% Aa C. 42% AA, 9% Aa D. 33% AA, 18% Aa E. Can't determine from this information.

Biology & Microbiology

Most of those affected with an autosomal dominant genetic disorder are homozygous for that trait

a. True b. False Indicate whether the statement is true or false

Biology & Microbiology

Tetracyclines interfere with ____

a. DNA replication b. initiation of transcription c. initiation of translation d. the process of protein folding e. transport of proteins to the Golgi complex

Biology & Microbiology

Four of the five answers are lipids. Select the exception

a. steroids b. triglycerides c. oils d. waxes e. oligosaccharides

Biology & Microbiology