Organisms that are dependent on oxygen for cellular respiration depend on which of the following processes to move oxygen into cells?
A. simple diffusion
B. active transport
C. pinocytosis
D. facilitated diffusion
A
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A high-pitched sound is characterized by which of the following?
A. a short wavelength and high frequency B. a short wavelength and low frequency C. a long wavelength and high frequency D. a long wavelength and low frequency E. a very long wavelength and very low frequency
Myotonic muscular dystrophy generally affects
a. the entire body. b. the hands and feet. c. the back muscles. d. the neck muscles. e. the abdominal muscles.
The physical appearance of an organism is called its _______ which is determined by _______.
A: genotype; its phenotype B: phenotype; its genotype C: phenotype; its environment D: phenotype; genotype and environment E: character state; its specific traits
Which of the following statements about the endoplasmic reticulum (ER) is CORRECT?
A) The rough ER is the site of lipid synthesis. B) The smooth ER has ribosomes associated with it. C) The ER is a lipid storage organelle. D) The ER is a transport system within the cytoplasm. E) The smooth ER is a site of ATP synthesis.