________ is a term used to describe dead organic matter
A) Humus
B) Loam
C) Pyrite
D) Xenocompost
Answer: A
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Glucose, sucrose, and cellulose are examples of:
A) carbohydrates. B) disaccharides. C) monosaccharides. D) polysaccharides.
Evidence of a direct relationship between genes and enzymes, including development of the one geneone
enzyme hypothesis, came from studies conducted by ____ of arginine biosynthesis in mutant stains of Neurospora.
a. Beadle and Tatum b. Griffith c. Watson and Crick d. Garrod e. Nirenberg and Leder
The part of the eye that may be colored (e.g., brown,
blue, green, or gray) is the a. retina. b. sclera. c. choroid. d. cornea. e. iris.
Specialized cells regulate the expression of genes because they
a. do not want genes to become worn out b. do not need the proteins that are specified by certain genes c. cannot control the translation of proteins