Answer:
1. Nucleus
2. Nuclear DNA
3. Chromosomes. They contain the DNA.
4. This is DNA. DNA contains the instructions needed for an organism to develop, survive and reproduce.
Answer:
Explanation:
The digestive tract and process of digestion actually begin with the mouth. Teeth help break the food up into smaller pieces that are simpler to absorb and digest. <u>Saliva</u> helps moisten the food so it is easier to swallow, but it also contains an enzyme called <em>amylase. </em>This enzyme helps break down carbohydrates into simple sugars and begins the digestion of carbohydrates.
Therefore, the best answer choice is C. saliva.
Meiosis I is the reduction division, where the pairing of homologous chromosomes, crossing over and genetic recombination takes place, resulting in two daughter cells with half the number of chromosomes. Meiosis II is like mitosis, where sister chromatids get separated leading to 4 genetically diverse haploid cells from a diploid parent cell.
I am not sure but I think it is c