Living Environment Regents Review

Front

What are mitochondria?

Back

Mitochondria are energy-releasing structures in cells, often referred to as the 'powerhouses' of the cell, where cellular respiration occurs.

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What is natural selection?

Back

Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is a mutation?

Back

A mutation is a change in the DNA sequence that can lead to variations in traits among organisms.

Front

What are starch molecules made of?

Back

Starch molecules are made of large chains of glucose units.

Front

What is a control group in an experiment?

Back

A control group is a standard of comparison in an experiment where the variable being tested is not applied.

Front

What is homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

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What is selective breeding?

Back

Selective breeding is the process of breeding plants and animals for specific genetic traits.

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What is variation in biology?

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Variation refers to the differences in traits among individuals in a population.

Front

What is the role of ribosomes in cells?

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Ribosomes are cellular structures that synthesize proteins by translating messenger RNA.

Front

What is genetic engineering?

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Genetic engineering is the direct manipulation of an organism's genes using biotechnology.