Progressive changes in the fossil record are evidence for evolution because
A. they show descent with modification.
B. they show inheritance of acquired characteristics.
C. they show evolutionary change at the level of the individual.
D. they show gaps in the fossil record.
A. they show descent with modification.
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Which of the following represents the product of beta-oxidation?
a. amino groups b. acetaldehyde groups c. acetyl groups d. fatty acid chains
Strictly speaking, mitosis
a. divides the nucleus and doubles the chromosomal number. b. divides the cytoplasm and doubles the chromosomal number. c. divides the chromosomes within the nucleus. d. divides the nucleus and maintains the chromosomal number. e. maintains the structure of the nucleus, cytoplasm, and chromosomes.
The Pr ? Pfr conversion cycle is known to control various growth functions in plants. Which of the following functions does the cycle NOT control?
A. inhibit shoot elongation B. promote seed germination C. decrease water transport D. affect accumulation of chlorophyll in plant tissue E. promote flowering
Which of the following represents size relationships from smallest to largest?
A. rhinovirus, Ebola virus, Staphylococcus cell, red blood cell, yeast cell, squamous epithelial cell B. rhinovirus, Ebola virus, Staphylococcus cell, yeast cell, red blood cell, squamous epithelial cell C. Ebola virus, yeast cell, Rhinovirus, red blood cell, Staphylococcus cell, squamous epithelial cell D. Ebola virus, Rhinovirus, yeast cell, Staphylococcus cell, red blood cell, squamous epithelial cell