Examlex
The geologic time scale was devised before numerical dating using radioactivity was invented.
Somatic Cell
A cell in a living being that is not involved in reproduction.
Kidney Cell
A type of cell found in the kidney that performs functions such as filtration, reabsorption, secretion, and excretion to regulate body fluids and electrolytes.
Sister Chromatids
The two identical DNA molecules of a duplicated eukaryotic chromosome, attached at the centromere.
Chromosome
A structure that consists of DNA together with associated proteins; carries part or all of a cell’s genetic information.
Q3: What organic compounds are essential for DNA
Q13: Wind is included along with gravity,water,and ice
Q33: A _ is a near surface,intrusive igneous
Q34: oceanic spreading center
Q37: Which of the following is not a
Q44: The ocean ridge systems that make up
Q48: The main mechanism for melting at spreading
Q60: Powerful,explosive,volcanic eruptions can result in climatic cooling
Q80: One important reason we do not know
Q84: What would have happened to the earth