An example (or examples) of potential energy is/are
A. light and chemical bonds.
B. concentration gradients.
C. chemical bonds.
D. chemical bonds and concentration gradients.
E. light.
D. chemical bonds and concentration gradients.
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Flooding, landslides, soil nutrient loss, and global climate change all result from:
a. the introduction of exotic plants b. desertification c. deforestation d. ozone depletion e. biological magnification
When both dominant and recessive alleles are present within a single nucleus, the organism is for the trait
a. diploid b. haploid c. homozygous d. heterozygous
Biochemicals produced in a gland that travel through the blood stream and alter the metabolism of specific target cells are
A. enzymes. B. pheromones. C. neurotransmitters. D. hormones. E. pectines.
Sticky-end fragments generated by EcoRI will hydrogen bond to any other sticky-end sequence
Indicate whether the statement is true or false