Optical Isomerism Occurs When

question 13

Multiple Choice

Optical isomerism occurs when

• A) a molecule's mirror image is superimposable.
• B) both cis and trans isomers exist in equal concentrations for a particular molecule.
• C) two or more structural isomers of a molecule exist.
• D) at least one carbon atom in a molecule is bonded to four different atoms or groups.
• E) both enantiomers are present in a racemic mixture.

Grasp the concept and applications of merging cells and editing cell content orientation.

Understand the types and purposes of various employee benefits and services.

Identify the variables that affect retirement income levels and benefit plan risks.

Recognize the implications of defined benefit and defined contribution plans for employers and employees.

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Definitions:

Karyotype

Image of a cell’s chromosomes arranged by size, length, shape, and centromere location.

Autosomes

Chromosomes that are not directly involved in determining the sex of an organism; humans have 22 pairs of autosomes.

X Chromosomes

One of two sex chromosomes, present as two copies in females (XX) and one in males (XY), carrying genes that determine sexual development and contribute to other traits.

Differentiation

Process by which cells become specialized during development; occurs as different cells in an embryo begin to use different subsets of their DNA.