Answer:
Explanation: Without gene duplication, mutation of genes would not exist. This would prevent organisms from adapting to their environment, making survival much more difficult if not impossible.
Answer:
to continually produce energy,your organs need oxygen and the oxygen is carried in your red blood cells.
Answer:
B
Explanation:
Heat moves from warm to cold so that means that C and D are eliminated. Conductors cause heat to move quickly thus melting the ice faster.
Answer:
The chromosomes move to a narrow central zone of the cell
Explanation:
Prophase: nuclear and cell membrane start to disappear
Metaphase: The chromosomes line up in the equator
Anaphase: Spindle fibres pull the chromosomes towards the poles
Telophase: Nuclear and cell membrane start to form
I hope it useful
Answer:
B. Both cells use the same molecules for energy
Explanation:
The mitochondrion is considered the powerhouse of the cell and it is the only place that makes energy in the cell