BIO 24 - Chapter 3
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BIO 24 - Chapter 3
The cell organelles most directly associated with cell division are the?
Centrioles - help organize spindle fibers during cell divisions
The hereditary material of cells is?
The DNA is found in the ______ of the cell
The major structural parts of a cell are the?
1) Cell Membrane
The cell organelle most directly associated with the production of cellular proteins is?
The cellular transport mechanism that depends upon transporters or carrier enyzmes in the cell membrane is?
The cellular transport mechanism that deponds upon blood pressure is?
A water-salt solution with the same salt concentration as in cells is called?
Mitosis produces cells that have?
Diploid number chromosomes, 46 for people
Meiosis produces cells that have...
Haploid number of chromosomes, 23 for people
The organic molecules in the cell membrane that form pores and receptor sites for hormones are?
Meiosis is necessary to produce
Egg or sperm cells
Mitosis is necessary for..
Growth and repair of tissues
The function of cilia is to...?
Sweep material across a surface
The nucleus of a cell does what?
Regulates the activities of a cell by means of genetic material it contains.
The function of the Golgi apparatus of a cell is to synthesize what?
A gene is the genetic code for one what?
Human cells that usually do not undergo mitosis in an adult are?
Nerve cells and Muscle cells
The cell organelle most directly associated with the destruction of damaged cellular protein is the?
what is the function of the microvilli of a cell?
Increase the surface area of the cell membrane
In the body, the process of diffusion is responsible for the movement of what?
Oxygen and Co2
A cell that has the potential to develop into several different kinds of cells is a?
The cells lining the small intestine absorb glucose and amino acids by the process of?
Organelles in which cell respiration takes place in is?
Intracellular structures with specific roles in cellular functions are called?
Meiosis is a cell division that results in the formation of _______ that produce egg and sprem cells...
Movement of molecules from an area of greater concentration to an area of lesser concentration is called?
The diffusion of water is called?
Transporters (carrier enzymes) that are part of the cell membrane permit cells to take in materials that would not diffuse by themselves is called what?
A cell uses ATP to move substances from an area of lesser concentration to an area of greater concentration is called?
Pressure forces water and dissolved materials through a membrane from an area of higher pressure to an area of lower pressure is called?
A stationary cell engulfs small molecules is called?
Moving cell engulfs something is called?