IB Biology Unit 6 Quiz

What is the definition of tissue?

• A group of cells that perform a specific function

• The process of cell differentiation

• The ability of stem cells to divide and differentiate

• The expression of certain genes in a cell

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What are the benefits of cell specialization in a multicellular organism?

• Increased genetic diversity

• Improved ability to reproduce

• Enhanced efficiency in performing specific functions

• Greater resistance to diseases

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What is the relationship between cell differentiation and gene expression?

• Cell differentiation leads to gene expression

• Gene expression leads to cell differentiation

• Cell differentiation and gene expression are unrelated processes

• Cell differentiation and gene expression occur simultaneously

What is the definition of a zygote?

• A specialized tissue in a multicellular organism

• A stem cell capable of dividing and differentiating

• A group of genetically identical organisms

• A fertilized egg cell

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James, Benjamin, and Oliver are discussing the potential of stem cells in medical research. What are two key properties of stem cells that make them areas of active research?

• Ability to perform specific functions

• Ability to divide and differentiate

• Ability to replicate DNA

• Ability to produce specialized tissues

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Why are stem cells most prevalent in the early embryonic development of a multicellular organism?

• They are needed for the formation of specialized tissues

• They are more easily accessible in the early stages

• They are less prone to genetic mutations

• They have a higher potency compared to adult stem cells

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What is the definition of totipotent stem cells?

• Stem cells capable of differentiating into any cell type

• Stem cells capable of differentiating into multiple cell types

• Stem cells capable of differentiating into a specific cell type

• Stem cells capable of dividing and differentiating

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What is the definition of multipotent stem cells?

• Stem cells capable of differentiating into any cell type

• Stem cells capable of differentiating into multiple cell types

• Stem cells capable of differentiating into a specific cell type

• Stem cells capable of dividing and differentiating

What is the definition of pluripotent stem cells?

• Stem cells capable of differentiating into any cell type

• Stem cells capable of differentiating into multiple cell types

• Stem cells capable of differentiating into a specific cell type

• Stem cells capable of dividing and differentiating

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What is the cause and symptoms of Stargardt's disease?

• Genetic mutation leading to vision loss

• Inflammation of the liver

• Abnormal cell division in the bone marrow

• Degeneration of muscle tissue

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