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Everyday Energy
Cells
Chemistry
Find your niche
Genetics
100
These organic compound is the main source of energy for living things.
What are carbohydrates?
100
An organelle in plant cells that contains chlorophyll.
What is chloroplast?
100
A substance formed from two or more elements.
What is a compound?
100
The way an organism uses the range of physical and biological conditions in which it lives...it's role to play.
What is niche?
100
The central-most region of a chromosome
What is centromere?
200
10% of energy is passed on between trophic levels, the rest is eliminated as this
What is heat?
200
Deoxyribose is a sugar found in nucleotides along with a phosphate group. These are the third component.
What are nitrogenous bases?
200
One cause of muscle cramps is the buildup of this acid in the body.
What is lactic acid?
200
The combined portions of earth in which all things live.
What is biosphere?
200
Each half of the "X" shaped chromosome.
What are sister chromatid?
300
Photosynthesis is to chloroplast, as cellular rspiration is to...
What is mitochondria?
300
This organelle in eukaryotes makes proteins from the DNA found in the nucleus.
What is ribosome?
300
The atomic nucleus is made up of these with their respective charges.
What are protons +, and neutrons "0"
300
DDT was used to kill insects, but ecologists found that it directly and indirectly effected organism populations in these.
What are food chains, or even the food webs?
300
During mitosis, the chromosomes become visible during this stage.
What is prophase?
400
A monosaccharide is an example of this organic compound
What is a carbohydrate?
400
This organelle converts chemical energy stored in food, into compounds that are easier for the cell to use.
What is mitichondria?
400
Water is considered slightly polar because the oxygen side is slightly _____ and the hydrogen side is slightly ______.
What is slightly negative, slightly positive?
400
This is the symbiotic relationship between flowers and bees
What is mutualism?
400
Unlike mitosis, meiosis results in the formation of this chromosome number.
What is haploid (n)?
500
The total amount of living tissue within a given trophic level.
What is biomass?
500
The movement of particles from an area of high to low concentration is called this.
What is diffusion?
500
Alcoholic and lactic acid are the two main types of this chemical process...beer and wine makers agree.
What is fermentation?
500
Any factor in the environment that causes a decrease in population growth.
What is limiting factor?
500
These thin structures, coming from centrioles, separate the chromosomes during mitosis.
What are spindle fibers?