B1: Quiz 6
1)
a) What is a stem cell?
2)
a)
i) Where is the only place that stem cells can be found in adult humans?
ii) Can the stem cells found in your answer to ai differentiate into any type of cell? If they can only differentiate into certain cells, which cells can they differentiate into?
b)
i) Where is another place that human stem cells can be obtained? Give a different answer to your answer to part ai.
i) Can the stem cells found in your answer to bi differentiate into any type of cell? If they can only differentiate into certain cells, which cells can they differentiate into?
3)
a) What are plant stem cells called?
b) Where in plants are plant stem cells found?
4)
a) What is cell differentiation?
b) Are human cells able to differentiate again and become another type of cell; for example, could a blood cell become a nerve cell?
c) Are plant cells able to differentiate again and become another type of cell?
5) We can clone plants from meristems. Give the three benefits of doing this.
6) A patient has sickle cell anaemia, which means that they produce abnormal red blood cells. A doctor tries to treat the patient with sickle anaemia by doing a bone marrow transplant.
a) Briefly discuss the steps involved in a bone marrow transplant.
b) Will the bone marrow transplant definitely be successful?
7)
a) How do scientists produce different cells from the stem cells that they obtain?
b) Give a condition that embryotic stem cells may be able to treat.
8)
a) Discuss the steps involved in therapeutic cloning.
b) Give an advantage of using stem cells produced from therapeutic cloning compared to stem cells from donated bone marrow? Explain your answer.
9)
a) Give 2 ethical issues/ disadvantages of using stem cells (can be embryotic stem cells or bone marrow stem cells).
a) What is a stem cell?
2)
a)
i) Where is the only place that stem cells can be found in adult humans?
ii) Can the stem cells found in your answer to ai differentiate into any type of cell? If they can only differentiate into certain cells, which cells can they differentiate into?
b)
i) Where is another place that human stem cells can be obtained? Give a different answer to your answer to part ai.
i) Can the stem cells found in your answer to bi differentiate into any type of cell? If they can only differentiate into certain cells, which cells can they differentiate into?
3)
a) What are plant stem cells called?
b) Where in plants are plant stem cells found?
4)
a) What is cell differentiation?
b) Are human cells able to differentiate again and become another type of cell; for example, could a blood cell become a nerve cell?
c) Are plant cells able to differentiate again and become another type of cell?
5) We can clone plants from meristems. Give the three benefits of doing this.
6) A patient has sickle cell anaemia, which means that they produce abnormal red blood cells. A doctor tries to treat the patient with sickle anaemia by doing a bone marrow transplant.
a) Briefly discuss the steps involved in a bone marrow transplant.
b) Will the bone marrow transplant definitely be successful?
7)
a) How do scientists produce different cells from the stem cells that they obtain?
b) Give a condition that embryotic stem cells may be able to treat.
8)
a) Discuss the steps involved in therapeutic cloning.
b) Give an advantage of using stem cells produced from therapeutic cloning compared to stem cells from donated bone marrow? Explain your answer.
9)
a) Give 2 ethical issues/ disadvantages of using stem cells (can be embryotic stem cells or bone marrow stem cells).