Answer:
Cells do not generally allow such materials to go in because they are having a cell membrane outside. The cell membrane only allows the materials which are required for the growth of the cell such as water and minerals.
Answer:
Radical is an atom or a group of atoms of different elements that act as a single unit during chemical reaction.
Explanation:
For example: Hydrogen, Nitrogen,Nitride,Nitrate,Ammonium, etc.
Answer:
No
Explanation:
I think No. because matter can neither be created nor destroyed...chemical change cannot alter the number of atoms in a given reaction. The atoms can only rearrange so that it can yield a new molecule/compound but the number of atoms should stay the same.
Answer:
1 I think, read the explanation.
Explanation:
Offspring need to carry just one dominant allele from their parents to inherit the polydactyl condition. The probability of the offspring having polydactyly is 50% (2 of the 4) and 50% not having it (normal). This can be expressed as a ratio, 2:2 which can be simplified to 1:1. - found on the internet
The first question is the first option (4 haploid cells; 2 diploid cells).
The second question is the first option also (nitrogen).
If wrong I’m sorry but good luck! Have an amazing day!
