What does the R group on an amino acid represent? Carboxyl group Amine group A long hydrocarbon chain The functional group that gives an amino acid its’ unique properties

Which of the following functional groups is always found in an amino acid?

Convert the standard number to scientific notation 5,001,000 (the “^” indicates the following number is an exponent)

Which of the following statements best describes dynamic formulation?

A clinician is developing a new test to measure depression. If the test correlates highly with an established hopelessness measure, it suggests the test has good ______.

A clinician administers the same personality test twice to a client within a one-week period. If the client receives significantly different scores, this suggests the test has:

TRUE or FALSE: Clades Mollusca and Annelida, like Platyhelminthes, belong to clade Lophotrochozoa.

What are two defining characteristics of arthropods?

TRUE or FALSE: Arthropoda is nested within Clade Lophotrochozoa.

Molluscs have [blank1] circulatory systems, with the exception of Clade Cephalopoda, which has [blank2] circulatory systems.