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8th Science Midterms

SRB *th grade science midterms

The molecule that provides energy for cellular processes is... ATP
What is the passing of traits from parent to offspring called? heredity
An organism that makes its own food. producer
The maintenance of a stable internal condition. homeostasis
3 benefits of being multicellular are... longer life, larger size, and cell specialization
What is the smallest unit that can perform all processes necessary for life? THE cell
What molecules form most of the cell membrane? phospholipids
What are the 3 parts of the cell theory? all organisms are made up of 1 or more cells, the cell is the basic unit of all living things, and all cells come from existing cells
What part of the cell forms a barrier between the cell and its enviroment? cell membrane
Most of a cell's ATP is made and stored in the inner membane of the... mitochondria
What is a cell without a nucleus? prokaryote
What is a cell with a nucleus? eukaryote
What does the Golgi complex do in a cell? packages and distributes proteins
What are the two types of carbohydrates? simple and complex
What are ribosomes? tiny, round organelles made of protein and other material
Where is DNA stored in a cell? the nucleus
A group of cells with the same function make up what? a tissue
An organ consists of what? 2 or more tissues
What do most chemical reactions involved in metabolism require? water
What is the sum of all chemical activities a living thing performs called? metabolism
What is diffusion? the travel of particles from areas of high concentration to areas of low concentration?
What is osmosis? the diffusion of water through a semipermeable membrane
In a prokaryotic cell, the chromosomes are located where? the main ring of DNA
Most complex organisms obtain energy through... cellular respiration
What is the equation for photosynthesis? 6CO +6H O+light energy=C H O +6O 2 2 6 12 6 2
What is the equation for cellular respiration? C H O +6O =6CO +6H O+ ATP 6 12 6 2 2 2
What is the chemical equation for glucose? C H O 6 12 6
In what kind of tissue does photosynthesis take place? ground tissue
Protists are a group of organisms that include what? eukaryotes and prokaryotes
What is the job of lysosomes? digest food particles
What does ATP stand for? Adenosine Triphosphate
What is the process where a cell gets rid of large particles? exocytosis
What is the process where a cell brings in a large particle? endocytosis
Fermentation occurs when? when a cell can't get oxygen needede for cellular respiraion
What is the difference between active and passive transport? active transport requires energy
How many chromosomes do humans have? 46
What are the four stages of mitosis in order? prophase, metaphase, anaphase, telophase
What are pairs of similar chromosomes called? homologous chromosomes
What do all organisms need to get rid of in order to live? wastes
What are amino acids? small mlecules that make up proteins
What are the two types of reproduction? sexual and asexual
What are food water and a place to live? basic needs of most living things
Why do plants need to produce glucose? to pbtain energy
When wilted celery is soaked in water, it becomes crisp again due to... osmosis
What is the division of cytoplasm? cytokinesis
What is the first stage of the cell cycle of eukaryotic cell? interphase
How do prokaryotic cells make new cells? through binary fission
One type of fermentation produces what? lactic acid
A group of organs that work together is called what? organ system
Robert Hooke and Anton van Leeuwenhoek not only helped discover cells but also... helped develop the microscope
Created by: matt1