Question

4) Development of the cell occurs in 4 steps. In fruit flies, a mutation in the cytoskeleton occurs which prevents the zygote from organizing certain proteins on one side of the embryo, so it is evenly distributed throughout the cell. After undergoing cleavage, the cells do not develop normally, and the embryos die. Which step in the process of cell development was disrupted here?

a. Cell determination        b. Cell differentiation                   c. Morphogenesis            d. Growth

5) Hair is largely made up of a protein called keratin. Given what you know about how the body acquires nutrients, which of the following would be the best way to promote hair growth?

A. Using a shampoo with keratin proteins in it                     B. Eating more meat-based items in your diet

C. Eating more plant-based items in your diet                      D. Taking a pill that contains active amylase enzyme

E. There is not enough information to know which is the best option

6) Which of the following represent reasons why some species expend energy to transform ammonia to uric acid:

a. Uric acid is less toxic than ammonia to cells     b. It is a very simple process to convert ammonia to uric acid

c. Water loss is reduced by making uric acid          d. A and B only

e. A and C only                                                                  f. A, B, and C

Answer 1

5) answer is B.

Because meat or flesh contains more protein and it is natural. And taking pills it can cause side effects.

6) answers is E.

A and c both

Most of animals are urecotlic. By this way the reduce the water loss in their body. It is also less toxic.

Ammonia is realesed by water animals because they have not facing the deficiency of water.