Biology T2:C3: Cells & Energy
Terms
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- The process by which an organism keeps its internal conditions relatively stable.
- What is Homeostasis?
- The first cells with internal compartments evolved >1.5 million yrs. ago having a nucleolus, organelles & cilia.
- What are Eukaryotes?
- German physician who discovered all cells come from preexisting cells.
- Who was Rudolph Virchow?
- German zoologist who claimed that all animals are made from preexisting cells.
- Who was Theodore Schwann?
- German Botanist who discovered all plant parts are made of cells.
- Who was Mattia Schleiden?
- A form of chemical energy that is used by a cell to carry out life processes.
- What is ATP (adenosine triphosphate)?
- The first cells on Earth evolved > 3.5 billion yrs. ago but couldn't make their own food or use oxygen.
- What were Prokaryotes?
- The movement of a substance from a crowded area to an area less crowded.
- What is Diffusion?
- A substance in chloroplasts that absorbs energy.
- What is Chlorophyll?
- The process by which plant cells use Carbon Dioxide, water, and light energy to make food.
- What is Photosynthesis?
- Having tiny pores/holes that let some nutrients into cell while wastes are expelled.
- What is Semipermeable?
- The process by which cells release energy from food.
- What is Cellular Respiration?
- The movement of water across a cell membrane.
- What is Osmosis?
- The movement of materials through the cell membrane by using energy.
- What is Active Transport?
- the movement of materials through the cell membrane without using energy.
- What is Passive Transport?