The idea that evolution proceeds in small, incremental changes over many generations is called
A. temporal equilibrium.
B. catastrophism.
C. punctuated equilibrium.
D. temporal isolation.
E. gradualism.
E. gradualism.
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What causes rigor mortis?
A) exhaustion of Ca2+ from the sarcoplasmic reticulum B) lack of ATP in dead tissue C) lack of acetylcholine (ACh) in dead tissue D) cessation of action potentials after death
Holding media, such as Stuart's medium and Amie's transport medium, are used to:
a. maintain the viability of microorganisms present in a specimen. b. support the growth and multiplication of any pathogenic organisms that are present. c. prevent clotting of specimens such as blood, bone marrow, and synovial fluid. d. allow pathogenic organisms to grow while nonpathogenic organisms die.
The inheritance of eye color indicates that
A) many different genes determine eye color, each contributing to different degrees. B) eye color is sensitive to what a pregnant woman eats. C) other characteristics, such as the texture at the back of the eye, can affect the phenotype. D) a person's sex influences inheritance of eye color.
The phospholipids, proteins, and cholesterol in the plasma membrane are firmly bonded to each other via covalent bonds, lending strength and appropriate rigidity to the membrane
Indicate whether the statement is true or false