Isoforms Are

question 9

Multiple Choice

Isoforms are

• A) technologies that sequence DNA at very low temperatures.
• B) different types of RNA molecules.
• C) different versions of proteins that reflect different exon combinations.
• D) the patterns of acetyls, phosphates, and methyl groups that bind to a particular gene.
• E) the patterns of microRNAs that bind to a particular mRNA molecule.

---

Definitions:

Variable Overhead Spending Variance

The difference between actual variable overhead costs and the budgeted costs for the actual level of activity, indicating overspending or underspending.

Labour Efficiency Variance

The difference between the budgeted labor hours or costs and the actual labor hours or costs incurred.

Variable Overhead Efficiency Variance

The difference between the actual variable overhead based on hours worked and the standard cost of variable overhead for those hours.