Biological clock - the subject matter of the science of chronobiology as a temporary organization of biological systems and processes.
Basic concepts and indicators
• biological rhythm - a chain of repeating a sequence of changes of a biological indicator
• the period of the cycle - the cycle time or the time interval between two repeating rhythmic starting points of the curve
• frequency - the number of cycles per unit time,
Maths and Geometry
Описание:
When solving the roots of polynomials, the goal is to make the expression equal to zero. Practice examples of math problems with polynomials with help from a standardized test prep instructor in this free video on math and education.
Expert: Brian Leaf
Contact: www.brianleaf.com
Bio: Brian Leaf, MA, is the author of McGraw-Hill's Top 50 Skills for SAT/ACT Success series and has instructed SAT, ACT, GED and SSAT preparation to thousands of students.
Filmmaker: David Pakman
When solving the roots of polynomials, the goal is to make the expression equal to zero. Practice examples of math problems with polynomials with help from a standardized test prep instructor in this free video on math and education.
Expert: Brian Leaf
Contact: www.brianleaf.com
Bio: Brian Leaf, MA, is the author of McGraw-Hill's Top 50 Skills for SAT/ACT Success series and has instructed SAT, ACT, GED and SSAT preparation to thousands of students.
Filmmaker: David Pakman
