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Definitions
Definitions
Definitions
Definitions
NJ ASK Practice
100
what is a cell
the basic unit of all living things
100
what is an neoplastic reticulated
blah
100
what is a nuclear membrane
the cellular structure that encloses and protects the nucleus
100
what is a ribosome
an organelle that contains the enzymes that help produce proteins
100
Which process does the diagram illustrate
metamorphosis
200
What is a cell membrane
the structure around all cells that regulates movement of substances int and out of cells
200
what is homeostasis
the ability to maintain a constant internal environment
200
what is a nucleus
the control center of a cell that contains the chromosomes
200
what is tissue
a collection of plant or animal cells that do a specific job
200
The human body has levels of organization that scientists order from least complex to most complex. Which of the following is the most complex?
the organ system
300
what is a cell wall
the outer structure around plant cells
300
what is hormone
a substance produced by an organism that stimulates a response within a cell
300
what is an organ
a group of tissues that work together to do a job in the body
300
what is a vacuole
a cavity inside a cells cytoplasm that contains pigment and often stores food or water
300
Juan was looking at plant and animal cells under the microscope. Which cell component would juan see only in a plant cell?
cell wall
400
what is chloroplast
a body inside a plant cell which converts sunlight into food energy
400
what is a metamorphosis
describes the change of forms that an animal must undergo to reach maturity
400
what is the organ system
a group of organs that work together to do many functions
400
why dont animal cells need chloroplast
because they dont go through photosynthesis
400
Which is an example of homeostasis?
a bird breathes faster because of the increased physical activity
500
What is cytoplasm
the clear thick fluid that holds the internal components of a cell
500
what is mitochondrion
an organelle that releases energy to the rest of the cell
500
what is an organelle
a specialized structure within a cell
500
what does the excretory system do
gets rid of the waste in your body
500
What is the purpose of the endocrine system in the human body?
to regulate hormones