Answer:
Some viruses are hard to treat because sometimes it’s not the virus that makes us sick; it’s our immune system.
Explanation:
Answer:
Cells are the basic units of structure and makeup of tissues.
Explanation:
Definition: "...a collection of ideas and conclusions from many different scientists over time that describes cells and how cells operate." - Study.com
Answer:
it involves a physical exchange of chromosome segments in the tetrad (3)
Explanation:
def of crossing over
Crossing over is the swapping of genetic material that occurs in the germline
