All of the following are plant adaptations to life on land except
A) tracheids and vessels.
B) root hairs.
C) cuticle.
D) the Calvin cycle of photosynthesis.
E) collenchyma.
Ans: D) the Calvin cycle of photosynthesis.
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The membrane-enclosed compartments that contain digestive enzymes in eukaryotic cells are called
A) cristae. B) mitosomes. C) lysosomes. D) stromas.
Assume that a trait is caused by the homozygous state of a gene that is recessive and autosomal. Nine percent of the individuals in a given population express the phenotype caused by this gene
What percentage of the individuals would be heterozygous for the gene? Assume that the population is in Hardy-Weinberg equilibrium.
The protists include photosynthetic, parasitic, and pathogenic species
Indicate whether the statement is true or false
Which feature of a 15q deletion is present in both Angelman syndrome and Prader-Willi syndrome?
A. Light skin, eye, and hair coloring B. Continuous smiling and jerky gait C. Excessive appetite and weight gain D. Progressive tremors and seizure activity