Exploring Life: Biology Fundamentals

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Questions and Answers

Which cellular component is primarily responsible for generating ATP through cellular respiration?

  • Endoplasmic reticulum
  • Lysosome
  • Golgi apparatus
  • Mitochondrion (correct)

In genetics, what is the likely outcome of a monohybrid cross between two heterozygous individuals for a dominant trait?

  • All offspring will display the dominant trait.
  • All offspring will display the recessive trait.
  • 50% of offspring will display the dominant trait, and 50% the recessive trait.
  • 75% of offspring will display the dominant trait, and 25% the recessive trait. (correct)

Which ecological interaction benefits one species while having no effect on the other?

  • Mutualism
  • Commensalism (correct)
  • Competition
  • Parasitism

What is the role of homeobox (Hox) genes in developmental biology?

<p>Controlling the arrangement of body structures during embryonic development. (D)</p> Signup and view all the answers

Which human body system is primarily responsible for the transport of nutrients, hormones, and waste products?

<p>Cardiovascular system (A)</p> Signup and view all the answers

In cell biology, what process describes the engulfing of large particles or cells by a cell?

<p>Phagocytosis (A)</p> Signup and view all the answers

If a plant species exhibits complete dominance for flower color, where red (R) is dominant over white (r), what would be the genotype of a plant with white flowers?

<p>rr (D)</p> Signup and view all the answers

Which of the following is an example of a density-dependent factor that can limit population growth in an ecosystem?

<p>Increased competition for resources. (B)</p> Signup and view all the answers

During embryonic development, what process is responsible for establishing the three primary germ layers (ectoderm, mesoderm, and endoderm)?

<p>Gastrulation (A)</p> Signup and view all the answers

Which of the following accurately describes the primary function of the human respiratory system?

<p>To facilitate gas exchange, taking in oxygen and releasing carbon dioxide. (D)</p> Signup and view all the answers

Flashcards

What is Biology?

The scientific study of life, including structure, function, growth, origin, evolution, and distribution of living organisms.

What is Cell Biology?

A field exploring the structure, function, and behavior of cells, the fundamental units of life.

What are Genes and Genetics?

Basic units of heredity; genetics is the study of inheritance and variation in organisms.

What is Ecology?

The study of interactions between organisms and their environment.

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What is Developmental Biology?

The branch of biology that studies the processes by which organisms grow and develop.

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What are Human Body Systems?

An area of study focused on the organ systems of the human body and their functions.

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Study Notes

  • Biology encompasses the scientific study of life
  • Cell biology explores cells' structure, function, and behavior
  • Genes are the basic units of heredity
  • Genetics studies inheritance and variation in organisms
  • Ecology investigates the interactions between organisms and their environment
  • Developmental biology examines the processes by which organisms grow and develop
  • Human body systems studies the organ systems of the human body and their functions

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