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Chapter 2 sections 1and 2 flascards

the smallest unit that can perform all life processes cell
anthing that causes a reaction or change in an organism or any part of an organism stimulus
the maintenance of a constant internal state in a changing enviroment homeostasis
reproduction i which sex cells from two different parent unite sexual reproduction
reproduction that does not involovethe union of sex cells asexual reproduction
the passing of genetic traits from parent to offspring heredity
the sum of all chemical processes that occur in an organism metabolism
an organism that can make its own food by using energy from its surroundings producer
an organismm that eats other organisms or organic matter consumer
an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming and absorbing the nutrients decomposer
a molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate processes on the body protein
a class of energy that gives nutrients csrbohydrate
a type of biochemical that does not disolve in water lipid
a lipid that contains phosphorous and that is a structural componet in cell membranes phospholipid
Adenosine TriPhosphere, a molecule that acts as the main energy source for cell processes ATP
a molecule made up of subunits called nucleotides Nucleic Acid
what are the four basic needs of every organism water, air, a place to live, and food
what percent of most living things are made of water 70%
How long can humans survive without water three days
air is a mixture of gases, including oxygen and...... carbon dioxide
what is a chemical process in which most living things use oxygen releasing energy from food
green organisms convert the energy in sunlight to the energy stored in food during what process photosynthesis
what are two things food gives organisms energy, and raw materials needed to carry on life processes
eats other living organisms or organic matter composer
a mushroom is a an example of this decomposer
uses energy from the sun or the chemicals in the environment to make food producer
what are nutrients made up of molecules
what are molecules made of differnt kinds of atoms compounds
what are the five chemical building blocks of cells Proteins, Carbohydrates, Lipids, ATP, and Nucleic Acids
compounds that make up proteins amino acids
proteins that speed up chemical reations a protein found in red blood cells that attaches to oxygen
a nutrient involved in almost all life processes protein
lipids mix with water, TRUE OR FALSE FALSE
molecules that form much of the cell membrane Phospholipids
what is the difference between fats and oils at room temperature most oils are liquid and most fats are solid
what is the major-carrying molecule in the cell ATP
what are molecules consisting of subunits called nucleotides Nucleic Acids
what are all living things composed of cells
what covers a cell cell membrane
what does a cell contain DNA and cytoplasm
in an organism containing many cells, how is the work of the cell performed different kinds of cellls perform specialized functions
what are three examples of stimuli chemicals. gravity, and light
what kind of reproduction do most single-celled organisms reproduce through asexual reproduction
what kind of reproduction do most animals and plants reproduce through sexual reproduction
what does DNA do DNA controls the structure and function of cells
what do organisms pass on to their offspring copies of their DNA
Created by: ashepherd8