Which of the following causes epigenetic modifications to DNA that affect gene expression without changing the DNA sequence? Base-pair substitution
DNA methylation
Mutation in regulatory sites
Gene knockout

When does dna replication(make a copy of itself)?

The function of the excretory system is to control homeostasis and

What would most likely happen if green plants were exposed to longer days of sunlight? a. the mitochondria would produce less energy . b. the chloroplasts would produce more energy. c. the cell wall would become thicker. d. the vacuoles would quickly shrink. b. the chloroplasts would produce more energy.