January 2024 Living Environment Regents Questions 41-52 Question Preview (ID: 62951)

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Which species would least likely have a protein similar to species H?

a) A

b) B

c) C

d) D

This finding best supports the claim that

a) most proteins are composed of only one type of amino acid

b) the amino acid proline is composed only of the molecular base cytosine

c) a mutation occurred in the test tube during this experiment

d) CCC codes for the amino acid proline

Students in a biology class wanted to determine the effect of exercise on heart rate. In order to reach a more reliable conclusion, the students should collect data from a

a) small number of students, then multiply the heart rates together

b) small number of students, then average the heart rates

c) large number of students, then average the heart rates

d) large number of students, then add the heart rates together

The adaptations shown by each species of bat will most likely cause the total number of bats to

a) increase due to decreased competition

b) decrease due to increased breeding

c) increase due to a greater chance of mutation

d) decrease due to a decrease in pathogens

According to the information in the chart, which finch species is best adapted to feed on insects that live under the bark of trees?

a) large ground finch

b) small ground finch

c) warbler finch

d) cactus finch

According to the graph, what is the minimum amount of folate needed to reduce the risk of neural tube defects to 10 or less per 10,000 births?

a) 800 nmol/L

b) 890 nmol/L

c) 1000 nmol/L

d) 1400 nmol/L

Five students measured their pulse rates, then exercised by running up and down the stairs five times, then measured their pulse rates again. In the investigation, the independent variable is the

a) time to run up and down the stairs

b) pulse rate

c) five students who participated

d) exercise that was done

A person refuses to get the measles vaccine because they claim that the vaccination will cause them to develop the measles. This claim is unsupported because the measles vaccination contains only

a) antibodies to fight the flu, not the actual flu virus

b) the chicken pox virus, not the measles virus

c) the active measles virus that stimulates the immune system to make measles antigens

d) parts of the measles virus that triggers the immune system to fight the measles

Based on the data, students noticed that there was a large increase in the number of measles cases in 2014. Which statement best explains the research the students might do to state a claim about the cause of this increase?

a) Determine if the outbreak that occurred in 2014 occurred in unvaccinated people.

b) Check if the virus mutated, resulting in a decrease in the number of people infected with measles.

c) Investigate the vaccine that children received in 2014 to see if it mutated.

d) Test the measles virus to determine if it developed resistance to antibiotics.

Even though these plants grow in different environments, they most likely control water loss through

a) the synthesis of proteins in their roots

b) the functioning of the cell membranes in their flowers

c) the actions of the guard cells in their leaves

d) the storage of glucose in the vacuoles in their stems

One reason that the population of deer is greater during Year B than during Year A could be that, during Year B, there were fewer

a) resources available

b) decomposers adding nutrients to the soil

c) white-tail deer predators present

d) white-tail deer born

Based on this and other similar studies involving newborns, medical professionals recommend that pregnant women avoid secondhand smoke because chemicals in the smoke

a) cause mutations in the cells of the ovaries

b) affect the growth of the fetus

c) are unable to pass through the placenta

d) decrease digestion in the stomach of the fetus

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