August 2017 Living Environment Regents Questions 21-30 Question Preview (ID: 56813)

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Some states require shoppers to pay a deposit on certain beverage containers made of plastic and glass. When shoppers return the containers, their deposits are returned to them. How is this system intended to help the environment?

a) It encourages people to buy products that do not have a deposit.

b) It reduces the amount of money shoppers actually spend.

c) It reduces the amount of plastics and glass put into landfills.

d) It forces manufacturers to reduce air pollution when they are making the containers.

Which level contains organisms that carry out autotrophic nutrition?

a) 1

b) 2

c) 3

d) 4

Which statement best describes the characteristics a protein must have to function correctly?

a) A protein is a long chain of amino acids folded into a specific shape.

b) A protein is a long chain of simple sugars folded into a specific shape.

c) A protein is made of amino acids synthesized into a short, circular chain.

d) A protein is made of simple sugars synthesized into a short, circular chain.

The movement of molecules from side A to side B is an example of the process of

a) active transport

b) chromatography

c) cellular respiration

d) diffusion

Which statement best explains why the replacement pets that are produced in this way might not look or act like the original?

a) The new animal must get the DNA from two different parents, not just one cell.

b) Mutations could occur that change the cloned animal into a completely different species.

c) Recombination of the cells as they are cloned will make the resulting pet act differently.

d) The environment could influence how genes are expressed, changing how the animal looks and acts.

It is recommended that people avoid excessive use of tanning beds. Exposure to the radiation emitted by tanning beds can cause skin cancer. This cancer is the direct result of a

a) change in a starch molecule

b) mutation in the genetic material

c) mutation in a protein

d) change in a fat molecule

What would most likely happen if structure X were damaged in the early stages of pregnancy?

a) The genes from the mother would not be turned on in the fetus.

b) The nutrients necessary for development would not be able to reach the fetus.

c) The fertilized egg would not be able to travel from the ovary to the uterus.

d) Development would take longer since the fetus would have to synthesize nutrients.

The reproductive structure in a female mammal that produces sex cells is the

a) ovary

b) testes

c) uterus

d) placenta

Fungi are decomposers that play an important role in the maintenance of an ecosystem. The role of fungi is important because they

a) synthesize energy-rich compounds that are directly used by producers

b) break down materials that can then be used by other organisms

c) limit the number of plants that can perform photosynthesis in an area

d) are competitors of other consumers such as herbivores

This is an example of

a) a natural cycle in an ecosystem

b) the effect of increased biodiversity on an ecosystem

c) direct harvesting in an ecosystem

d) human actions altering ecosystems with serious consequences

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