If the Isoelectric Point (PI)for an Amino Acid Is at Point

question 93

Multiple Choice

If the isoelectric point (pI) for an amino acid is at point A,what is the charge on the amino acid at point B?

• A) 0
• B) -2
• C) +2
• D) -1

---

Definitions:

DNA

Deoxyribonucleic acid, the molecule that carries genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.

Amniocentesis

A medical procedure used in prenatal diagnosis, where a small amount of amniotic fluid is sampled from the amniotic sac surrounding a developing fetus.

Nonstress Test

A prenatal test used to monitor a fetus's heart rate and check for signs of distress, typically performed in the third trimester of pregnancy.

Baby's Heart Rate

The number of heartbeats per minute of a fetus or newborn, often monitored to assess health during pregnancy and after birth.