Answer:
Phospholipids are molecules that compose the main structure of a cell membrane in eukaryotes. The role of phospholipids in a cell membrane is to determine which chemicals can enter and exit a cell.
Explanation:
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Answer:
In Eukaryotes, The DNA is so long that it needs to be super coiled to get fit inside the cell.
This process is required in both Eukaryotes and prokayotes. The super coiling and packaging using the DNA binding proteins allows the lengthy molecules to fit inside the cell.
The DNA in the bacterial cell is arranged in several super coiled forms. The over winding of DNA is prevented in bacterial cell by the help of an enzyme known as DNA gyrase which is a type of topoisomerase.
Answer:
Advantages:
Low Level Irradiation kills bacteria and parasites.
The Nutrition value of of irradiated food is the same as regular food with less bacteria.
Irradiation makes fruits and vegetables riper and spoil slower.
Disadvantages:
Irradiation will increase cost of food.
The percentage of radiation as always being negative will also make
Irradiated food are not widely available yet.
The food chain will mess up
Unit 3 Lesson 6: chordate evolution and diversity quick check answers.
1. B
2. D
3. B
4. B
5. B
