Some plants are not photosynthetic and must depend upon bacteria in their root nodules for nutrients.
Answer the following statement true (T) or false (F)
False
The bacteria in root nodules fix nitrogen from the atmosphere to build organic compounds. Photosynthesis is occurring as well, to build carbohydrates.
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Which of the following DNA repair mechanisms is most prone to error?
A) mismatch repair B) base excision repair C) SOS repair D) nucleotide excision repair E) All DNA repair systems are equally prone to error.
The mixture of food and digestive juices that leaves the stomach is called:
A) trypsin. B) cud. C) chyme. D) pepsin.
Paracellular transport is associated with which of the following?
A) adherens junctions B) integrins C) desmosomes D) tight junctions E) hemidesmosomes
Which of the following statements regarding DNA replication is true?
A) Bacterial replication is faster than eukaryotic replication. B) DNA replication during embryonic development occurs at a slower rate than in the early stages of neonatal life. C) Early-replicating genes are those that are not actively transcribed. D) The rate of DNA replication is constant at all stages of development in eukaryotes. E) Cyclin-dependent kinases (Cdk) are not involved in the DNA replication process.