22 notecards = 6 pages (4 cards per page)
In general, which of the following can human cells do?
1, 2, and 3
Inorganic materials are compounds that __________ carbon.
do not contain
Antibodies are protein molecules produced by specialized cells in the bone marrow called:
The much smaller structures that make up nucleic acids are called:
The steps or rungs of the DNA ladder-like structure consists of complementary chemicals that are:
pairs of nitrogenous bases
Compounds called purines include adenine and:
Which of the following serves as a prototype for messenger RNA (mRNA)?
Deoxyribonucleic acid (DNA)
The cell components that contain the centrioles are the:
The number of mitochondria in cells varies from a few hundred to several thousand. The greatest number is found in cells exhibiting _____ activity.
During which of the following subphases of mitosis do the centrioles migrate to opposite sides of the cell and begin to regulate the formation of the mitotic spindle?
In the human body, mineral salts are necessary for:
1, 2, and 3
Which of the following causes an increase in cellular activity that in turn causes biochemical reactions to occur more rapidly to meet the needs of the cell?
How many different amino acids are involved in protein synthesis?
A nucleotide is formed from a nitrogen-containing organic base, a _____-carbon sugar molecule, and a phosphate molecule.
Cytosine bonds only with:
In a DNA macromolecule, the sequence of ________ determines the characteristics of every living thing.
Nitrogenous organic bases
Radiation-induced chromosome damage may be evaluated during which of the following processes?
If exposure to ionizing radiation damages the components involved in molecular synthesis beyond repair, cells do which of the following?
Function abnormally or die
Which of the following produces antibodies?
Water constitutes approximately ________ of the weight of the human body.
80% to 85%
What term is used to describe chemical secretions that are manufactured by various endocrine glands and carried by the bloodstream to influence the activities of other parts of the body?
Somatic cells divide through the process of: