Anormal sequence of dna bases in a single
human skin cell is catggc. if this sequence
replicates in this cell and becomes gatggc,
this alteration will most likely be passed to
(1) every cell that develops from it
(2) all human body cells
(3) offspring of the human
(4) all skin cells of this person

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one

Which of these is a provisioning service people get from the ocean