Answer:
They protect the body from infectious agents.
And
They signal the immune system to destroy pathogens.
Explanation:
I HOPE THIS HELPS
1.cell membrane
2.Cell startation
3.cell fusion
4.cell reconstruction
5.tissue replacement
6.red blood cells
Answer:
20, Im not completely sure tho
Explanation:
Both dna and rna have four nitrogenous bases each three of which they share (cytosine adenine and guanine )
Answer:
There are 2 alleles, a recessive allele and a dominant allele. The weaker allele is the recessive allele.