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Mid-Term Mrs. Hacker

study stack for science mid term

QuestionAnswer
what is the smallest unit of life cell
anything that causes a reaction or change in an organism stimulus
the maintenance of a constant internal state homeostasis
reproduction that requires two parents sexual reproduction
reproduction that doesn't invlove two parents 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 producer
an organism that eats other organism or organic matter consumer
an organism that gets energy from breaking down the remains of dead organisms decomposer
a molecule that is made of amino acids protein
class of energy giving nutrients that includes sugars starches and fiber; contains carbon hydrogen and oxygen carbohydrate
a type of biochemical that doesnt dissolve in water lipid
lipid that contains phosphorus phospholipid
adenosine triphosphate ATP
a molecule made up of subunits called nucleotides nucleic acid
a phospholipid layer that covers the cell surface/ acts as a barrier between the cell and its environment cell membrane
one of the small bodies in the cytoplasm that are specialized to perform a specific function organelle
in a eukaryotic cell, a membrane bound organelle that contains the cells DNA nucleus
an organism that consists of a single cell that doesnt have a nucleus prokaryote
an organism that has a nucleus eukaryote
a rigid structure that surrounds the cell membrane and provides support to the cell cell wall
a cell organelle composed of RNA and protein ribosome
system of membranes that is found in a cells cytoplasm and that assists in the production, processing and transport of proteins endoplasmic reticulum
in eukaryotic cells the cell organelle that is the site of cellular respiration mitochondtia
cell organelle that helpes make and package materials to be transported out of the cell golgi complex
a small cavity or sac that contains materials in a eukaryotic cell vesicle
a cell organelle that contains digesttive enzymes lysosome
a group of similar cells that perform a common function tissue
a collection of tissues that carry out a specialized function of the body organ
a group of organs that work together to perform body functions organ system
a living thing organism
the arrangement of parts in an organism structure
the special normal or proper activity of an organ or part function
the movement of particles from regions of higher density to regions of lower density diffusion
the diffusion of water through a semipermeable membrane osmosis
the movement of substances across a membrane without energy passive transport
the movement of substances across a membrane that requires energy active transport
the process by which a cell membrane surrounds a particle and encloses it in a vesicle to bring it into the cell endocytosis
the process in which the cell releases the particle by enclosing the particle in a vesicle that brings it t the surface exocytosis
the process of using sunlight and water to get energy photosynthesis
the process of using oxygen to obtain energy cellular respiration
process that uses food when no oxygen is available and produces lactic acid fermentation
the life cycle of a cell cell cycle
chromosomes that are similar to each other homologous chromosomes
the process of dividing a cells chromosome and organelles; has 4 phases mitosis
the division of cytoplasm cytokinesis
phase 1 of mitosis prophase
phase 2 of mitosis metaphase
phase 3 of mitosis anaphase
last phase of mitosis telophase
Created by: sciencey
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