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Biology Midterm Crossword

a simple compound whose molecules can join together to form polymers
a unicellular organism having cells lacking membrane-bound nuclei
a chemical substance that is present at the start of a chemical reaction
the outcome factor; the variable that may change in response to manipulations of the independent variable
an explanation that is based on prior scientific research or observations and that can be tested
Basic units of DNA molecule, composed of a sugar, a phosphate, and one of 4 DNA bases
the organelles in which nutrients are converted to energy
macromolecule made mainly from carbon and hydrogen atoms; includes fats, oils, and waxes
single sugar molecule
a jellylike fluid inside the cell in which the organelles are suspended
a substance that initiates or accelerates a chemical reaction without itself being affected
strong layer around the cell membrane in plants, algae, and some bacteria
information gathered from observations
group of organs that work together to perform a specific function
the basic structural and functional unit of all organisms
the organelles in which nutrients are converted to energy
a part of the cell containing DNA and RNA and responsible for growth and reproduction
having the same or equal osmotic pressure
The organelle where ribosomes are made, synthesized and partially assembled, located in the nucleus
needed by the body for growth and repair and to make up enzymes
having a higher osmotic pressure than a comparison solution
an organic compound, either RNA or DNA, whose molecules are made up of one or two chains of nucleotides and carry genetic information
group of similar cells that perform a particular function
a chemical process in which a compound is broken down and changed into other compounds by taking up the elements of water
the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell
condensed threads of genetic material formed from chromatin as a cell prepares to divide
a variable whose values are independent of changes in the values of other variables
compound made up of carbon, hydrogen, and oxygen atoms
monomer that makes up proteins
compound made up of carbon, hydrogen, and oxygen atoms
protein that acts as a biological catalyst
process by which a single parent reproduces by itself
diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal