Chromosome is a structure that contains DNA molecules packaged around histone proteins, therefore carries the heredity material. Chromosomes number determines whether a cell is haploid (n) or diploid (n). A diploid cell has both set of homologous chromosomes while the haploid cell has only one set. Nucleus is the cellular structure that is responsible for the localized storage of chromosomal DNA.
In an endothermic reaction, energy is absorbed which causes the object to heat up.
Answer:
B. method by which neurons communicate
Answer:
central
Explanation:
the space is filled as central nervous system
1. ribosome
2. false
3. true
4. 3
5. all eukaryotes
6. true
7. mitochondria