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Chemical Compounds in Cells
The Cell in Its Environment
Photosynthesis
Respiration
Cell Division
100
a substance that cannot be broken down into a simpler substance.
What is an element?
100
the process by which molecules move from areas of high concentration to low concentration.
What is diffusion?
100
Grass receiving energy from the sun is an example of receiving energy ______________.
What is directly?
100
the process during which a cell breaks down food to release energy.
What is respiration?
100
the three stage of cell division
What is Interphase, Mitosis & Cytokinesis?
200
a compound that doesn't contain carbon.
What is an inorganic compound?
200
the ability of a membrane to allow certain substances through while blocking others.
What is selective permeability?
200
During photosynthesis the plant takes in energy and what other gas?
What is carbon dioxide?
200
the opposite process of respiration.
What is photosynthesis?
200
the process in which the nucleus splits with both nuclei receiving a copy of the DNA.
What is Mitosis?
300
a compound that does contain carbon.
What is an organic compound?
300
the diffusion of water through a membrane.
What is osmosis?
300
the main photosynthetic pigment that absorbs light.
What is chlorophyll?
300
the part of the cell where respiration occurs.
What is the mitochondria?
300
during the first stage of mitosis, the DNA strands are wrapped together to form ___________________.
What is chromosomes?
400
the four chemicals of life that make up the parts of the cell.
What is carbohydrates, lipids, proteins and nucleic acids?
400
an example of active transport that involves pushing or pulling a molecule through a membrane.
What is transport proteins?
400
an opening on the bottom side of a leaf that inhales carbon dioxide and exhales oxygen.
What is a stoma?
400
The products of respiration.
What is carbon dioxide and water?
400
the compounds that make up the side strands of the DNA double helix.
What is phosphate and sugar?
500
a molecule that makes up most of the structure of a cell and performs certain jobs.
What is a protein
500
the process of a cell surrounding its food and absorbing it.
What is engulfing?
500
the products of photosynthesis.
What is sugar and oxygen?
500
the body's back up plan when there is not enough oxygen for respiration to occur.
What is fermentation?
500
the combinations of the Nitrogen bases that make up the "rungs" of DNA ladder.
What is A&T and C&G?