June 2023 Living Environment Regents Questions 21-30 Question Preview (ID: 62093)

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This is an example of

a) asexual reproduction of male frogs

b) an abiotic factor affecting gene expression

c) the normal expression of a gene for female frogs

d) loss of genetic information for male frogs

Which substances usually stimulate an immune response?

a) antibodies

b) antigens

c) carbon dioxide molecules

d) biological catalysts

Which statement best explains the resistance of garter snakes to the newt toxin?

a) 1

b) 2

c) 3

d) 4

The specialized function of this cell is most dependent on

a) mutations that produce cells that have a specific shape for filtering the blood

b) the differentiation of the cell membrane and the functioning of vacuoles

c) the DNA codes in the cell and the activity of ribosomes

d) mitochondria in the cell that produce filtering organelles for the kidney

Maintaining stability in an ecosystem most likely depends on

a) a high level of diversity and few resources

b) little diversity and rapid ecological succession

c) a high level of diversity and multiple ecological niches

d) little diversity and multiple extinctions

Photosynthesis and cellular respiration both involve the gases carbon dioxide and oxygen. Which statement best identifies how these gases are involved in the two processes?

a) Photosynthesis and cellular respiration both use carbon dioxide and release oxygen.

b) Cellular respiration uses oxygen and releases carbon dioxide, while photosynthesis uses carbon dioxide and releases oxygen.

c) Cellular respiration uses carbon dioxide and releases oxygen, while photosynthesis uses oxygen and releases carbon dioxide.

d) Photosynthesis and cellular respiration both use oxygen and release carbon dioxide.

Antibodies produced against one pathogen infecting the human body may not work against a different pathogen because antibodies are

a) only produced once in the body so they can’t work on any other infection

b) unable to produce effective antibiotics against the infection

c) made of DNA the second pathogen doesn’t contain

d) specific for the shape of the proteins present on a particular pathogen

A multicellular organism has cells that perform various roles in that organism. This is most likely due to the

a) differentiation of cells during embryonic development

b) specialization of gametes

c) cloning of cells during embryonic development

d) specialization of zygotes

The changes in the guard cells' activity illustrate

a) an immune response intended to limit water use

b) passive transport in response to the Sun shining

c) a feedback mechanism to control water loss

d) genetic manipulation caused by the presence or absence of water

This similarity between whales and alligators supports the idea that

a) whales evolved from alligators

b) alligators evolved from whales

c) alligators and whales share a common ancestor

d) alligators and whales share the same genetic mutations

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