the cellular structure that transports materials within the cell
What is endoplasmic reticulum
100
the cellar structure that encloses and protects the nucleus
What is nuclear membrane
100
an organelle that contains the enzymes that help produce proteins
What is ribosome
100
which of the following is the most complex of the human body?
a.cell
b.organ
c.tissue
d.organ system
What is D. organ system
200
the structure around all cells that regulates movement of the substances into and out of cells
What is cell membrane
200
the ability to maintain a constant interval environment
What is homeostasis
200
the control center of a cell that contains the chromosomes
What is nucleus
200
a collection of plant or animal cells that does a specific job
What is tissue
200
juan was looking at plant and animal cells under the microscope. which cell component would juan see only in a plant cell?
a. nucelus
b. cell wall
c. mitochondrion
d. cell membrane
What is b. cell wall
300
the outer structure around plant cells
What is cell wall
300
a substance produced by an organism that stimulates a reponse with its cells
What is hormone
300
a group of tissues that work together to do a job in the body
What is organ
300
a cavity inside a cell's cytoplasm that contains pigment and often stores food and water
What is vacuole
300
what is an example of homeostasis
What is a bird breathes faster because of increased physical activity
400
a body inside a plant cell which converts sunlight into food energy
What is chloroplast
400
describes the change of forms that some animals must undergo to reach maturity
What is metamorphosis
400
a group of organs that work together to preform a set of functions
What is organ system
400
a substance produced by an organism that stimulates a reponse with its cells
What is hormone
400
what is the purpose of the endocrine system in the human body?
What is to regulate hormones
500
the clear, thick fluid that holds the internal components of a cell
What is cytoplasm
500
an organelle that releases energy to the rest of the cell
What is mitochondrion
500
a specialized structure within a cell, such as a mitochondrion or ribosome
What is organelle
500
the outer structure around plant cells
What is cell wall
500
amanda is investigating how oxygen moves through the body. what two organ systems will she find working together to move oxygen to all the cells in the body?