Answer: Telomeres, Helicases, Okazaki, DNA polymerase, Topoisomerase
Explanation:
1. Telomeres these are set of repetitive nucleotide sequence found at the end of a linear chromosomes they help preventing the DNA chromosome frrom sticking to other DNA chromosomes.
2. Helicases are proteins that uses energy (ATP) to unwind DNA strands during replication.
3. Okazaki fragments the small DNA nucleotide sequence synthesized separately on the lagging strand.
4. DNA polymerase are enzymes that catalyzes the addition of deoxyribonucleotides to DNA during replication.
5. Topoisomerase are enzymes that prevent single stranded DNA from supercoil, rumple and winding back during replication.
Answer:
Well The answer you choose was wrong I think because every living being that has cells need a Nulceus in their cells or the cells won’t work. Fungi have cells and Protista also have a nucleus since it has a cell or cells.
The answer here I would think would be (c) ”many could be found in fresh water”. Fungi don’t usually appear near seas or fresh sources which in this case is a pond and protistia do.
Answer:
External factors include physical and chemical signals. Growth factors are proteins that stimulate cell division. – Most mammal cells form a single layer in a culture dish and stop dividing once they touch other cells. Two of the most important internal factors are kinases and cyclins.
I could come up with multiple examples!
•Coal
•Natural gas
•Nuclear energy
•Petroleum
Hope this helped!
A tooth pick found in a pizza is an example of PHYSICAL CONTAMINATION.
When it comes to food preparation, there are three types of food contamination, these are physical, chemical and biological contamination.
A physical contaminant is anything that is seen in food and is not part of that food. Example of this if hair or toothpick found in food. Chemical contaminants refer to chemicals which are mistakenly added to food while biological contaminants refers to microbes which are introduced into food.
