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5-1 biology

QuestionAnswer
What forms the basic framework in which biologists have tried to understand living things? cell theory
cell theory states three things. a. all living things are composed of...? b. _____ are the basic units of structure and function in living things c. all _____ come from preexisting _____ CELLS
the cells of animals, plants, and related organisms have three basic structures? membrane, nucleus, and cytoplasm
the outer boundary of the cell is the the? cell membrane
the control center of the cell is the? nucleus
the material between the cell membrane and the nucleus is the? cytoplasm
all cells are separted from their surroundings by a ? cell membrane
in organisms such as plants, algae, and some bacteria, the cell membrane is surrounded by a ? cell wall
in many cells we can see a dark structure, called the ? nucleus
organisms whose cells lack nuclei are called? prokaryotes
Organisms whose cells contain nuclei are called? Eukaryotes
surrounding the nucleus are two membranes that form the ? nuclear envelope
most nuclei contain a small region called the ________ that is made up of RNA and proteins Nucleolus
the DNA in the nucleus of eukaryotic cells is attached to special proteins and forms large structures called ? chromosomes
We can divide the space within a cells into two compartments which are ... the nucleus and the cytoplasm
what is the area between the nucleus and the cell membrane called? cytoplasm
the structures in the cytoplasm are generally called? organelles
__________ is a tiny structure that performs a specialized function in the cell an organelle
the _______ and _______ are key organelles that change energy from one form to another Mitochondrion and Chloroplast
_______ is an organelle that changes the chemical energy stored in food into compounds that are more convenient for the cell to use. Mitochondria
________is an organelle that traps the energy of sunlight and convert it into chemical energy Chloroplast
the structures in which proteins are made are called? Ribosomes
many cells are filled with a complex network of sacs known as the ? endoplasmic reticulum
the proteins that are moved into special compartments known as the ? Golgi apparatus
when a cell encircles a particle, the cell emmbrane forms a pocket around foreign material. the foreign material must now be digested, or broken down. that is the job of the? lymosomes
_____ are plant organelles that may take many forms Plastids
many cells contain saclike structures called? vacuoles
composed of a variety of filaments and fibers that support cell structure an ddrive out cell movement cytoskeleton
Created by: haleybrown
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