Genes code for all of the following EXCEPT
A) structural components
B) regulatory components
C) RNA
D) DNA
Ans: D) DNA
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Evolutionary biologists find the deep sea interesting because
a. of the unusual environmental conditions. b. of the abundance of organisms. c. the environment has remained stable for 100 million years. d. the environment is constantly changing due to continental drift.
All of the following occur during the latent period of muscle contraction EXCEPT which one?
A) Myofibrils shorten. B) Calcium is released from the sarcoplasmic reticulum. C) Muscle cell membrane initiates an electrical impulse, which travels into the muscle cell. D) Myosin heads bind to actin filaments. E) Troponin-tropomyosin complex shifts, exposing myosin heads.
What are the four stages of food processing, ordered from beginning to end?
A) Ingestion, digestion, elimination, absorption B) Digestion, ingestion, absorption, elimination C) Digestion, absorption, ingestion, elimination D) Ingestion, digestion, absorption, elimination
What process releases urine from the bladder?
A) filtration B) excretion C) micturition D) nephronation