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50 Cards in this Set
- Front
- Back
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During cell division ..... strands coil and condense into thick structures called ........
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DNA
chromosomes |
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The nucleus is surrounded by a double layer membrane called the ................
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nuclear envelope
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The organelle that stores DNA and synthesizes RNA
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The nucleus
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Plasma membranes are ...... and have the consistency of vegetable oil.
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fluid
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Some ribosomes are free in the cytoplasm, while others line the membrane of the ...... ......
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rough er
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Everything between the plasma membrane and the nucleus, is the cell's ......
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cytoplasm
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A lipid is simple form of .....
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fat
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There are many kinds of ..... in cell membranes; they help to move material into and out of the cell.
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proteins
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Scientist call the modern view of the plasma membrane structure the ..... ...... ......
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fluid mosaic model
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The organelle that processes and packages substances produced by the cell ...... ......
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Golgi body
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The FIRST person to describe microscopic organisms and living cells was .......
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Robert Hooke (1665)
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Bacteria are an example of a primitive cell called .........
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Prokaryotes
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The nucleoi make ......., which in turn build proteins.
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ribosomes
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Plasma membranes are made mostly of ....... and ........
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protein
phosolipids |
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The maximum size to which a cell may grow is limited mainly by the cell's ...... .........
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surface area
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Cytosol is a jelylike mixture that consists mostly of .....
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water
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....... are structures that carry out specific functions in the cell.
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Organelles
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Most cells have a single .....; some cells have more than one.
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nucleus
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Organisms whose cells always or usually contain a nucleus or nuclei are called .......
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Eurkaryotic
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Suspended in the cell's cytosol are tiny ........
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organelles
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The 'Blueprints' in a Cell that controls all its activity are the ........
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chromosomes
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The Mitochondria of a cell contain an inner membrane called .........
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cristae
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Unlike animal cells, plant cells have ....... ....... ......
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cell wall
vacuole chlroplasts |
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What are Flagella?
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Tail like structures for movement
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A Chlroplast can convert ....., ......., and ..... into ........
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water
light CO(2) sugars |
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The organelle that prepares proteins for export and synthesizes steroids is ....... .........
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endoplasmic retulium
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Ribosomes differ from most organelles because they have no ..........
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membrane
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The "Powerhouse" of the cell ........
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Mitrochondria
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Short, hairlike organelles that can move and may cover a unicellural organism or line the respiratory tract are called ........
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cilia
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A pigment that absorbs energy in sunlight .........
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chlorphil
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Microfilaments and microtubules function in cell ....... and .......
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division
movement |
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What is the correct order of structures in living things, from simplest to the most complex? (4 items)
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cells
tissues organs systems |
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The organelle that transfers energy in ATP ........
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Mitrochondria
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What word means 'water fearing'?
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Hydrophobic
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What word means 'water loving'?
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Hydrophilic
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The outer boundary of the cell is called .........
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cell membrane
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The internal compartment that houses the DNA is called the .......
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nucleus
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Cilia and ...... are structures that enable cell movement and sometimes move substances across the cell's surface.
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flagella
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The system of microscopic protein fibres that support the shape of the cell is called the ...........
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cytoskeleton
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Newly made ...... are transported to the smooth endoplasmic reticulum processing.
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lipids
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Matthias Schleiden worked with ...... cells, and Theodor Schwann worked with ..... cells.
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plant
animal |
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The ratio of surface area to ..... puts limitations on a cell's size.
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volume
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....... have 'heads' and 'tails' and are found in the plasma membrane.
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Phospholipids
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Scientists have discovered that cells contain smaller specialized structures known as ..........
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organelles
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The spherical organelles that are the sie of protein synthesis in a cell are the ......
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ribosomes
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Teh meshlike network of protein fibers that supports the shape of the cell is called the ............
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cytoskeleton
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Photosynthesis takes place in the .............
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chlroplasts
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Both plant and animal cells have plasma membranes. In addition plant cells are surrounded by a ...........
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cell wall.
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Human cells are an example of a highly developed cell called ..........
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eurkaryotes
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The plasma membrane functions like a ......, controlling what ...... and ...... the cell.
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gate
enters leaves |
