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science

Terms in this set (27)

What are the reactants and products of photosynthesis ?
Reactants: water and carbon dioxide
Products: oxygen and glucose
What is required for photosynthesis to take place?
What organelle is involved?
The sun.
Chloroplasts are involved.
What is the chemical equation for photosynthesis?
carbon dioxide + water = oxygen + glucose
What are the reactants and products of respiration?
Reactants: oxygen and glucose
Products: water and carbon dioxide
What is the chemical equation of respiration?
Oxygen + glucose = water and carbon dioxide
What organelle is involved in respiration?
Mitochondria
What is turgor pressure?
Pressure created by the amount of water in the Plant cell's vacuole.
Describe a cell with high and low turgor pressure.
A cell with high turgor pressure would be rigid and a cell with lower pressure would be flexible.
How is wilting related to turgor pressure?
It's related because if a plant cell's vacuole had less pressure it will be flexible and will cause the plant to wilt, but if the Plant cell's vacuole has more pressure from being watered enough it won't wilt.
How is seed germination related to Turgor pressure?
Well, seed Germination is the response to Turgor pressure .
What causes water to move in and out of the cell?
The cell membrane because it regulates what goes IN AND OUT of the cell.
What organelles are found in only plant cells?
Cell wall, Chloroplasts, and the Central vacuole.
What is the function of the Mitochondrion?
It produces ATP energy.
What is the function of ribosomes?
They produce proteins.
What is the function of Golgi bodies?
They recive, package, and sort proteins from the rough e.r and send them to other parts of the cell.
What is the function of the endoplasmic reticulum?
It transports proteins from one part of the cell to another.
What is the function of the vacuole?
It stores food, water and waste materials.
What is the function of the cytoplasm?
Supports internal structures of cell.
What is the function the cell membrane?
It regulates what goes in and out of the cell.
What is the function cell wall?
It protects the plant cell.
What is the cell theory?
1. All organisms are made up of cells. 2. cells are the basic units of structure and function in all organisms 3. Cells arise from cells.
What is photo tropism?
A plant's responce to light by growing towards it.
What is geotropism?
A plant's response to gravity by the stem going in the opposite direction of gravity, (negative geotropism), and the roots growing with gravity, (positive geotropism).
Where in the cell is the DNA located?
What organelle is made up of DNA?
Nucleolus.
Nucleus.
What are the genes of DNA responsible for?
Genes carry the traits of the parents to be passed on to the offspring.
They are the directions for building all the proteins that make our bodies function. Children have similar characteristics from their parents because they have the same genes.
Why do children have similar characteristics to their parents?
The answer is the parents have two different sets of genes, and when paired together each parent passes half a gene to their child.
If straight hair is a dominant gene trait and curly hair is a recessive gene trait, then what kind of hair will a child express if she receives a straight gene and a curly gene from her parents?
She will receive straight hair because its more powerful than the recessive.
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