Opportunistic infections are infections that occur more frequently and are more severe in people with weakened immune systems, including people with HIV.
Answer: hopefully this helps? :)
Explanation:The base pairs are stabilized by hydrogen bonds; adenine and thymine form two hydrogen bonds between them, whereas cytosine and guanine form three hydrogen bonds between them. Figure 7. Hydrogen bonds form between complementary nitrogenous bases on the interior of DNA
Cell wall
Chloroplasts
Everything else, I believe, are in both animal and plant cells.
I hope this helps!
