Ionizing radiation is emitted at low levels by many natural objects, including some rocks and gases

Indicate whether the statement is true or false


TRUE

Biology & Microbiology

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The G + C content of a DNA sample can be estimated from its melting temperature.

Answer the following statement true (T) or false (F)

Biology & Microbiology

__________ produce memory cells when activated.

A. B lymphocytes B. T lymphocytes C. macrophages D. two of the above

Biology & Microbiology

All scientific names of organisms must be

A.) unique and have two Latin words B.) different and repeat the phylum name C.) similar and include the common name D.) general and use the species name

Biology & Microbiology

The human body requires about ____ of fat

each day to stay healthy.

a. 1 teaspoon b. 4 teaspoons c. 1 tablespoon d. 4 tablespoons e. 1 cup

Biology & Microbiology