They have a cell wall and nucleus but they have no membrane-bound organelles like eukaryotic cells
Answer:
The polio strains cannot reproduce because they are weakened.
Zwitterion
Zwitterion also known as dipolar
ion refers to a substance that has at least one positive and one negative
electrical charge at different locations and the net charge of the entire
molecule is zero. Examples of zwitterions are amino acids.
Answer:
this is because they appear dead outside and alive inside beings
Answer:
B
Explanation:
Mass is constant. Weight varies due to gravity.
For example, On earth you weigh 75kg but on Jupiter you weigh 275kg (not accurate). Your weight has varied. However your mass is the same on both planets.
