Condensation of chromosomes occurs during G1 phase
S phases
G2 phase
interphase
prophase

Explain why phospholipid molecules form a bilayer. (3 marks)

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.