What is the basic structural unit of the body?
Which of the following are the smallest cells?
|B)||red blood cell|
|C)||white blood cell|
|D)||smooth muscle cell|
Two major parts of a cell are the nucleus and _____.
A ribosome is an example of a _____.
A cell membrane allows only needed substances to pass and is therefore called _____.
A human cell membrane is comprised of the following except which one?
The following terms belong together except which one?
The following molecules freely pass through a cell membrane except which one?
Hormones come in contact with the _____ molecules in a membrane.
The selective movement of ions through a membrane occurs through areas called _____.
|B)||peripheral protein regions|
The _____ proteins in a membrane function as enzymes.
The cells in heart muscle are often held together by areas called _____.
The inside lining of the digestive tract is lined with cells that are held together by _____.
The _____ contains enzymes that are associated with protein synthesis.
The _____ functions to package molecules into vesicles that can be transported out of a cell.
A combination of a sugar with a protein is a _____.
The _____ functions as a sac-like or tubular network of structures that provides transport.
The _____ is the source of most of the cellular energy.
The cristae are the inner portions of the _____.
The _____ contain enzymes that are used to degrade foreign particles as well as cell structures.
Catalase is an enzyme, which degrades _____.
The _____ is the organelle that plays a complex function in cell reproduction.
The structures that cause fluids and mucus to move across their surface are the _____.
Flagella can occur on the cells of the following except:
Membranous sacs that contain fluids or particles for transport are called the _____.
The protein actin is found in _____, which results in some type of movement or contraction.
The following belong together except which one?
|C)||aid in DNA movement|
|D)||comprise an internal skeleton|
What is the term for chemical particles in a cell which appear lifeless and have no obvious function?
The following are inclusions except which one?
The movement of particles from higher to lower concentration is termed _____.
The following will increase the rate of diffusion except which factor?
|C)||increased molecular weight|
Movement of particles from higher to lower concentrations through a membrane, such as in dialysis, occurs by _____.
Insulin usually increases the movement of glucose through a cell membrane by a process called _____.
Membranes that have a higher osmotic pressure on one side, tend to _____.
|B)||draw water towards that side|
|C)||repel water from that side|
|D)||stop the movement of water|
Hypertonic solutions tend to causes cells to _____.
|B)||increase in diameter|
Normal isotonic sodium chloride solution is _____%.
The movement of a salt through a membrane, such as in a kidney, because of pressure differences is _____.
Hydrostatic refers to pressure of _____.
Movement of molecules from low to high concentrations is _____.
The ability of leukocytes to engulf bacteria is due to the process of _____.
In receptor-mediated endocytosis, an LDL particle of cholesterol is attracted to cells that contain _____.
During mitosis, the number of chromosomes _____.
|A)||remains the same|
|C)||is cut in half|
|D)||changes to 46|
The process that divides the cytoplasm in half, is specifically termed _____.
The process that results in daughter cells with half of the original chromosome number is _____.
At which stages does the chromosome number double?
Chromosomes are aligned along the equatorial line during the _____ stage of division.
The _____ stages occurs when two daughter cells have completely formed.
Two chromatids are attached at the _____ region.
The centromeres divide during the _____ stage of mitosis.
The process of _____ explains how embryonic cells become specialized and diverse.
The main division process in the early embryo is _____.
Cancer cells can disseminate to other areas by a process called _____.
During hyperplasia, cells are dividing at a rapid rate and may progress towards a _____ state.
Which channel-blocker medication can be used to treat hypertension or angina pectoris?
What type of cell is a bacterium?