In differentiating fungi from plants and animals, which of the following statements is NOT true?
A. The energy reserve of fungi is starch while the energy reserve of animals is glycogen.
B. Plants have cell walls of cellulose; fungi have cell walls of chitin.
C. Animals are heterotrophic by ingestion while fungi are heterotrophic by absorption.
D. Fungal spores develop into haploid hyphae; in animals, haploid gametes combine to form a diploid organism.
Answer: A
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Consider the following figure (Figure 24.5): From the data you can infer that:
A. Braincase volume is correlated with body size in the Homo lineage, but not in the extant great apes lineage. B. Species in the Homo lineage have larger body size than species in the extant great apes lineage. C. The extant great ape lineage shows the greatest amount of range in body size D. The Homo lineage shows the greatest amount of change in body size. E. Extant great apes are smarter than Australopithecines.
Carbon dioxide concentrations fluctuate in predictable seasonal patterns on the surface of the planet largely as a result of
A) the influence of vegetation patterns in tropical systems. B) weathering of rock surfaces following seasonal rain events. C) vegetation growth and flux patterns in aquatic systems. D) large-scale patterns of terrestrial plant uptake and dormancy.
What causes a membrane potential to return to the normal negative value after an action potential has occurred?
a) opening of a voltage-gated K+ channel b) opening of a voltage-gated Na+ channel c) opening of a ligand-gated Na+ channel d) opening of a voltage-gated K+ facilitated transporter e) closing of a voltage-gated K+ channel
During transcription
a. double-stranded RNA chains are produced. b. the entire DNA molecule is used. c. primase creates an RNA primer to start the RNA strand. d. only one of the two DNA strands acts as a template. e. protein is made from RNA.