Answer:
D
Explanation:
It's kind of hard to explain, if it's hot, it's the temperature.
The Answer was in your question. :)
Answer:
Blood taken from an artery in the leg is oxygenated while blood taken from a vein in the leg is deoxygenated.
Answer:
An inversion
Explanation:
An inversion occurs when a chromosome breaks in two places; the resulting piece of DNA is reversed and re-inserted into the chromosome. Genetic material may or may not be lost as a result of the chromosome breaks.
You may be referring to the nucleus. The nucleus controls the cell, and it contains chromosomes (DNA) genetic makeup. Hope I could help|!