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steps to the scientific method (6)
1. identify the problem
2. make a hypothesis
3. create experiment
4. perform experiment
5. analyze data
6. publish lab
an organism that obtains energy and nutrients by feeding on other organisms or their remains.
organisms that break down wastes and dead organisms and return raw materials to the environment
a group of interdependent organisms inhabiting the same region and interacting with each other
all the living and nonliving things in an environment including their interactions with each other
A shared pair of electrons., a chemical bond that involves sharing a pair of electrons between atoms in a molecule
A range of numbers used to describe how acidic or basic a solution is; ranges from 0 (most acidic) to 14 (most basic). 7 is neutral
That portion of the endoplasmic reticulum that is free of ribosomes. (lipid synthesis occurs here)
structure of membrane, two sheets of lipid molcules with tails pointed inward, proteins embedded in bilayer (serve as channels) along with carbohydrate molecules (id markers - recognition)
a process in which a membrane allows some molecules to pass through while keeping others out
process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentrated
process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
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