Cell Theory and Stem Cells in Biology

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Treating severe burns by generating new tissues (D) Signup and view all the answers

Striated muscle fibers with multiple nuclei (A) Signup and view all the answers

To support themselves and maintain homeostasis (C) Signup and view all the answers

They can turn into multiple specialized cells through gene expression (B) Signup and view all the answers

Metabolism and reproduction (C) Signup and view all the answers

Their source, such as human embryos (B) Signup and view all the answers

It creates specific cells with specific functions (A) Signup and view all the answers

To study the physical and chemical interactions in living things (B) Signup and view all the answers

They would not be able to support themselves and maintain homeostasis (C) Signup and view all the answers

Reproduction, metabolism, responsiveness, homeostasis, growth, excretion, and nutrition. Signup and view all the answers

Stem cell-derived photoreceptors can be used to treat vision loss caused by Stargardt's disease. Signup and view all the answers

Larger cells undergo cell division to maintain a stable surface area to volume ratio. Signup and view all the answers

Biology is founded on principles from physics and chemistry. Signup and view all the answers

Cell differentiation creates specific cells with specific functions within multicellular organisms. Signup and view all the answers

Striated muscle fibers with multiple nuclei, and large algae considered as single cells. Signup and view all the answers

Stem cells are precursor cells that can turn into multiple specialized cells through gene expression. Signup and view all the answers

Ethical debates exist regarding the use of human embryos as a source of stem cells. Signup and view all the answers

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Biology is the study of living things, founded on principles from physics and chemistry.
Life is composed of cells, which are the smallest unit of life.
Cells have specific parts, and all living things are made up of cells or cell-like products.
Cell theory states that all cells come from pre-existing cells via cell division.
Exceptions to this rule include striated muscle fibers with multiple nuclei, and large algae considered as single cells.
Functions of life include reproduction, metabolism, responsiveness, homeostasis, growth, excretion, and nutrition.
Paramecium, a single-celled organism, can meet all the requirements of life.
Cells cannot get too large, as they would not be able to support themselves and maintain homeostasis.
Larger cells undergo cell division to maintain a stable surface area to volume ratio.
Stem cells are precursor cells that can turn into multiple specialized cells through gene expression.
Cell differentiation creates specific cells with specific functions within multicellular organisms.
Stem cells can be used for various therapies, such as generating new tissues for severe burns.
Ethical debates exist regarding the sources of stem cells, specifically human embryos.
Stargardt's disease, an inherited condition causing vision loss, can be treated with stem cell-derived photoreceptors.