Intermediate Between E7 and Sa Galaxies, _ Have a Disk

question 12

Short Answer

Intermediate between E7 and Sa galaxies, _ have a disk but no gas or dust.

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Definitions:

Antiviral Medications

Drugs used to prevent or treat viral infections by inhibiting the development of the virus responsible for the disease.

Urethra

The tube through which urine (and, in men, semen) passes.

Tuskegee Study

A notorious and unethical study conducted by the U.S. Public Health Service to track the progression of untreated syphilis in African American men without their informed consent.

Syphilis

A bacterial infection usually spread by sexual contact that starts as a painless sore and can cause serious health issues if not treated.