June 2024 Living Environment Regents Questions 11-20 Question Preview (ID: 63449)

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In order for some of the genetic information in the lioness to be present in the cub, the genetic information from the mother must have been

a) copied and present in the egg cell of the lioness

b) combined with genetic information from another lioness

c) contained in half of the DNA found in the sperm cells of the father

d) able to make enzymes to produce all of the carbohydrates found in the mother

Which statement best describes a critical function of the placenta?

a) Meiosis occurs in the placenta, allowing for the development and release of eggs.

b) Blood from the mother and fetus mixes at the placenta, providing nutrients and oxygen.

c) The placenta filters out all harmful toxins and chemicals from the mother’s blood, so that they cannot reach the fetus.

d) The exchange of oxygen and carbon dioxide occurs between the mother and developing fetus across the placenta.

Organisms maintain internal stability in a changing environment. To do this, they make a series of adjustments. The process of making these continual adjustments is referred to as

a) cellular respiration

b) active transport

c) natural selection

d) dynamic equilibrium

Which statement best explains the presence of these proteins in the octopuses living deep in the ocean?

a) 1

b) 2

c) 3

d) 4

Tissue engineering is being developed as a technology that would use laboratory-grown tissues to replace diseased or damaged human body parts, such as hearts and kidneys. In order to build these new body parts, scientists would start by

a) assembling molecules directly into tissues that can make body systems

b) making organelles and using the organelles to develop organs

c) engineering body systems in order to develop organelles for transplant

d) growing cells to develop tissues and then growing these tissues to form an organ

These enzymes are an important part of the digestive process because they

a) break down foods so that nutrients can be absorbed and used

b) contain vitamins and other nutrients necessary for a healthy diet

c) allow the person to synthesize large, inorganic nutrient molecules

d) are the building blocks of carbohydrates and other nutrient molecules

Which statement about this reproductive cycle is correct?

a) Mutations that occur during processes 1 and 2 will not be passed on to offspring.

b) Exact copies of the parents are produced, which leads to a stable population.

c) Sorting and recombining of genes occurs, which leads to new genetic combinations.

d) The three processes result in offspring with half as much genetic information as the adults.

The system most directly involved in attacking the transplanted kidney is the

a) excretory system

b) nervous system

c) circulatory system

d) immune system

Which numbered column in the chart below contains four terms that correctly identify the most likely types of organisms that could be found at each of the four levels in the pyramid?

a) 1

b) 2

c) 3

d) 4

These events can be best described as an example of

a) a feedback mechanism that maintains homeostasis

b) a cycle that regulates cellular communication

c) an immune system response to increasing heart rate

d) a body system regulating hormone production

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