Which pertains to DNA but not to RNA?

A. Contains adenine
B. Contains uracil
C. Contains nucleotides
D. Contains thymine
E. Contains ribose


Answer: D

Biology & Microbiology

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The pistil of a flower is best described as:

A. a structure to defend against insects B. a single carpel or group of fused carpels C. a place where pollen is produced D. a grouping of filaments E. a place for sperm to be produced

Biology & Microbiology

In animal skeletal muscles, red muscle fibers ____

a. have an abundance of myoglobin b. are mainly anaerobic c. have few mitochondria d. are good for short bursts of activity e. make ATP by lactate fermentation

Biology & Microbiology

What represents the most basic level of chemical organization?

a. cell b. atom c. tissue d. molecule e. organism

Biology & Microbiology

Innate immunity is a defense system that becomes fully functional after it has undergone a period of exposure to various pathogens.

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

Biology & Microbiology