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:

Water Stress

Water stress refers to the condition where the demand for water exceeds the available amount during a certain period or when poor quality restricts its use, impacting ecosystems, agriculture, and human populations.

Stomata

Microscopic pores found on the surface of leaves and stems of plants, facilitating gas exchange and water vapor release.

Axillary Buds

Buds located in the axil of a leaf that have the potential to develop into a branch, leaf, or flower.

Plant Hormone

Chemical substances produced within plants that regulate growth, development, and other physiological processes.