Which group of plants contains the tallest and oldest trees on Earth?
A. cycads
B. ginkos
C. conifers
D. gnetophytes
E. angiosperms
C
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Micro RNAs (miRNAs) are important in ____
a. alternative splicing b. transcriptional activation c. chromatin remodeling d. genomic imprinting e. RNA interference (RNAi)
Destruction of the motor areas in the right cerebral cortex results in the loss of ____
a. sensation on the right side of the body b. sensation on the left side of the body c. voluntary movement on the left side of the body d. voluntary movement on the right side of the body e. involuntary control of the right side of the body
Which group of plants responds to increased CO2 with the highest biomass enhancement ratio?
A) C3 B) C4 C) CAM D) all respond equally
Evolutionary fitness is measured by
a. physical strength b. reproductive success c. length of life d. resistance to disease e. competitiveness