Tingling of the extremities and muscle spasms can be linked
to low blood calcium levels.

What hormones could be responsible for irregular blood
calcium?

Overactivity of what gland might contribute to this
situation?

Underactivity of what gland might contribute to this
situation?

When organisms are classified ,they are given a two part name

The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy