Finding a poison in the GI tract definitely indicates that this poison was the cause of death.

a. true
b. false


a. true

Biology & Microbiology

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A seedling no longer needs its stored food sources once it develops

a. an embryo. b. cotyledons. c. leaves. d. roots.

Biology & Microbiology

Photosystems are mainly

a. light-trapping molecules. b. enzymes for splitting water. c. clusters of ATP molecules. d. sugar assembly sites. e. electron transport systems.

Biology & Microbiology

Which of the following best describes the relationship of insulin to glucagon?

A) They work together to prepare the body to deal with stress. B) Insulin stimulates the pancreas to secrete glucagon. C) High levels of insulin inhibit pancreatic secretion of glucagon. D) They are antagonistic hormones.

Biology & Microbiology

Which of the following conditions must be correct for transformation to occur?

A. Temperature B. Ionic conditions C. Correct nutrient balance D. All of the answers are correct

Biology & Microbiology