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organs
Groups of different kinds of tissues that work together to accomplish a particular function.
A group of cells that performs a particular function
tissue
Division of labor
means that the functions of an organism are performed by different parts of its body
Do the cells of a wilted plant have turgor pressure that is too high or too low?
too low
cellular respiration
The breakdown of an energy source by cells to obtain usable energy.
enzymes
Catalysts substances that help change other substances without being permanently changed themselves.
Aerobic cellular respiration processes
sugar + oxygen TURNS INTO carbon dioxide + water + energy
aerobic cellular respiration
The process by which cells use oxygen to obtain useable energy from an energy source.
anaerobic cellular respiration
The process by which cells obtain energy from an energy source WITHOUT using oxygen.
alcoholic fermentation
Anaerobic cellular respiration that produces alcohol and carbon dioxide from glucose.
lactic acid fermentation
A type of anaerobic cellular respiration that produces lactic acid from sugar.
What is the most common energy source in cellular respiration?
sugar
What organelle is associated with recharging certain molecules during cellular respiration?
mitochondria
Which generates more energy from sugar, aerobic or anaerobic cellular respiration?
aerobic
Photosynthesis
The process that most producer organisms use to change light energy into chemical energy.
Photosynthesis formula
carbon dioxide + water +light energy TURNED INTO sugar + oxygen
chlorophyll
The green pigment that aids in capturing light energy necessary for photosynthesis.
3 substances photosynthesis uses to form sugar and oxygen
carbon dioxide, water, and light energy
What are substances that absorb light energy called?
chlorophyll pigments
Where is the energy captured by photosynthesis stored?
in sugar (the chemical bonds in sugar molecules)
What basic molecule makes up the structural part of the cell?
cellulose
How are lipids, proteins, and nucleic acids related to photosynthesis?
The energy required to make lipids, proteins, and nucleic acids come from photosynthesis.
Tissues are organized into ___ that work together to perform a particular function.
organs
True/False. If a plant has high turgor pressure, its leaves will be wilted.
False. High pressure it was keeps them stiff and not wilted looking.
What is the plant cell organelle that regulates turgor pressure?
central vacuole
Which of the following is NOT a PRODUCT of cellular respiration: carbon dioxide, oxygen, water, energy
oxygen
Cellular respiration occurs in which of the following organelles?
mitochondria
Cellular respiration that does not require oxygen is called ___.
anaerobic respiration
The products of photosynthesis include:
oxygen and sugar
Photosynthesis converts light energy into…
chemical energy
Where does photosynthesis take place?
In chloroplasts
In multicellular organisms, each group of cells that work together to perform a particular function is called a(n)
tissue
A leaf is considered an ___ of a plant.
organ
True/False. Division of labor occurs when different groups of cells perform specialized tasks to keep the organism alive.
True
True/False. Any cell in a multicellular organism has the ability to person any task needed by the organism.
False. They each have specific abilities and jobs. They can’t do everything needed.
Turgor pressure results from the buildup of water in what cytoplasmic organelle?
the central vacuole
The process that provides the energy that organisms need is called ___.
cellular respiration
What serve as tools to control an energy-releasing process?
enzymes
True/False. Cellular respiration releases carbon dioxide.
True
The term anaerobic means the process is performed without ___.
oxygen
The smell of baking bread and the air spaces in bread are caused by ___ organisms as they carry on alcholic fermentation.
yeast
Photosynthesis changes ___ energy into chemical energy.
light
Photosynthesis requires what gas?
carbon dioxide
True/False. The green pigment necessary for photosynthesis is called cholorplasm.
False. It’s chlorophyll.
In what cell organelles does photosynthesis occur?
chloroplasts
True/False. Some of the sugar formed during photosynthesis is used for making the structural parts of the cell.
True
Note
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