Which of the following is an organ system?
A. Blood vessels
B. Epithelial tissue
C. Circulatory system
D. The heart
Answer: C
Biology & Microbiology
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Carbohydrates are composed of:
A. amino acids. B. fatty acids and glycerol. C. nucleotides. D. monosaccharides.
Biology & Microbiology
How do hydrophilic molecules interact with water?
a. They are attracted to water. b. They are absorbed by water. c. They are repelled by water. d. They absorb heat from water. e. They transfer heat to water.
Biology & Microbiology
A person with two X chromosomes is the homogametic sex
Indicate whether the statement is true or false
Biology & Microbiology
Environmental heterogeneity tends to be positively correlated with species diversity
Indicate whether the statement is true or false
Biology & Microbiology