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Which list describes the organization within multicellular organisms from least complex to most complex?
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The diffusion of water is also called...
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Lindell Midterm

QuestionAnswer
Which list describes the organization within multicellular organisms from least complex to most complex? Organelles, cells, organs, organism
The diffusion of water is also called... osmosis
What element is present in all organic compounds? Carbon
Which organic compound has a two to one ratio of hydrogen to oxygen? carbohydrates
The cell membrane consists mainly of... phospholipids and proteins
The exchange of oxygen and carbon dioxide between the body and the air occurs in the cells of the alveoli in the lungs. What part of the cell is the location of this exchange? cell membrane
Which best describes carbons ability to form covalent bonds in straight chains, branched chains, or rings? Carbon has 4 valence electrons
What is the major function of the cell membrane? To control what substances move in and out
What are the 3 types of polysaccharides? starch, cellulose, glycogen
A student examines a cell under the microscope and observes that the cell contains many mitochondria. This is evidence that the cell uses a lot of... energy
Diffusion is best described as... The movement of molecules from an area of high concentration to an area of low concentration
What would happen to a saltwater protozoan it it is removed from it's normal habitat and placed in a freshwater pool? Gain water through osmosis
What organelles are found only in plants? cell wall, chloroplast
The process by which digestive enzymes breakdown large molecules into smaller molecules with the addition of water. Hydrolysis
Which of the following is a primary function of carbohydrates? provide the body with energy
A cell with 1% salt concentration is placed in a beaker with a 5% salt concentration. What will happen to the cell over time? The cell will lose water and shrink.
Which plant organelle is the site of photosynthesis? chloroplast
A student observed an animal cell under a microscope. After adding a drop of solution, the student observed that the cell burst, as shown below on the right. Which of the following statements explains the student's observation? The concentration of solute in the cell was HIGHER than in the solution so water left the cell.
What process moves gases such as oxygen through the cell membrane? diffusion
The characteristic of cell membranes that allows only some materials to move in and out of the cell is that the cell membrane is said to be... selectively permeable
What factors effect the rate of diffusion? temperature, size, type of molecule
Which substane is an inorganic compound that is necessary for most of the chemical reactions in living cells to take place? Water
What are the three parts of the cell theory? 1. Cells come from pre-existing cells. 2. All living things are made of cells. 3. Cells are the smallest unit of life.
Both active transport and facilitated diffusion involve... the use of proteins
As a result of diffusion, the concentration of many substances... eventually becomes balanced on both sides of the membrane
One difference between prokaryotes and eukaryotes is that... prokaryotes do not have a nucleus
Which types of cells would you expect to find the most mitochodria? muscle
What is the function of the cell membrane? to allow substances in and out of a cell
What is the funstion of the chloroplast? the site of photosynthesis
What is the function of the mitochondria? powerhouse - provides energy
Created by: lindelljennifer
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