The correct answer is T helper cells. <span>T helper cells are important because they have the ability to stimulate other cells to kill the foreign particles (viruses, bacteria, fungi, parasites).T helper cells help other cells in the immune response by recognizing foreign antigens and by secreting cytokines that then activate T and B cells.</span>
Answer:
Each part of the mixture has the same appearance.
Explanation:
Homogeneous mixture consists of substances that mix evenly. Therefore has same appearance.
Observation is the answer
hope this helps
When you rub a ballon in your hair.
<span>Missense mutation
</span>Mutation can be defined as the permanent alteration
in the nucleotide sequence of the genome of a virus, organisms or other genetic
materials. However, a change in single nucleotide that result to a codon that
code for different amino acid can be refers to as Missense mutation.
