Answer: (B) Ribosomes make proteins
Explanation: Ribosomes are just the sites where proteins are made and has nothing to do with communication.
They help break down food particles to get energy and provide nutrients for the cells
A. The decrease in growth rate of some human populations
All the conditions are in the pic i attached.
If u still need help send the choices in the comments and I’ll answer:)
The sugar in DNA is deoxyribose. ... Nucleotides in DNA contain four different nitrogenous bases: Thymine, Cytosine, Adenine, or Guanine. There are two groups of bases: Pyrimidines: Cytosine and Thymine each have a single six-member ring.