Cell/Plasma Membrane
Every cell is surrounded by a cell membrane, sometimes called ????
Plasma Membrane
What is the most important organelle within a cell?
Nucleus
____ is a sticky semifluid material found between the nucleus and the cell membrane.
Cytoplasm
What is the powerhouse of the cell?
Mitochondria
What is another term for Golgi apparatus?
Golgi bodies or Golgi Complex.
The phospholipid looks like a ????
balloon with tails.
When a cell reaches a certain size, it divides to form ??? new cells.
Two
What percent of water is found in the chemical analysis of Cytoplasm?
70%-90%
FALSE! They vary in shape and number.
a stack of pancakes
The proteins embedded in the double phospholipid layer allows for the passage of _____ and _____ across the cell membrane.
molecules and ions
The number of chromosomes for the human being is
46.
Molecules are transported about the cell by the ____ motion of the cytoplasm.
Cells that need the most energy have the greatest of _______.
Mitochondria
The Golgi apparatus stores and ____ secretions for discharge from the cell.
packages
What does the cell membrane regulate?
the passage or transport of certain molecules into and out of the cell, while preventing the passage of others.
What are the small round projections on the outer layer of the nuclear membrane called?
Ribosomes
Name all 6 substances that cytoplasm consists of.
proteins, lipids, carbohydrates, minerals, salts, and water.
The mitochondria have a double membrane structure that contains enzymes. These enzymes help break down what??
Carbohydrates, fats, and protein molecules.
Finish the sentence- These organelles are abundant in the cells of gastric glands, salivary glands, and ____
Pancreatic glands.
What does hydrophobic mean?
Repels water.
The nucleus divides first by a process called mitosis. it is only during the process of mitosis that chromosomes can be seen. Chromosomes store what?
the hereditary material DNA.
Cytoplasm is the background for all chemical reactions that take place in a cell, such as
protein synthesis.
the energy stored in the cell is called what?
Adenosine Triphosphate (ATP)
What do scientists believe this organelle does?
Synthesizes carbohydrates and combines them with protein molecules as they pass through the Golgi apparatus.