In Flowering Plants, Fertilization Occurs

question 115

Multiple Choice

In flowering plants, fertilization occurs

• A) where pollen lands on the stigma.
• B) where the pollen tube germinates.
• C) inside the pollen tube.
• D) at the base of the embryo sac.
• E) inside the seed.

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Definitions:

Thyroglobulin

A glycoprotein produced by the thyroid gland, serving as a precursor for thyroid hormones and important for thyroid function.

Thyroid Follicles

Microscopic, spherical sacs found in the thyroid gland, responsible for the production and storage of thyroid hormones.

Thyroxine-binding Protein

A plasma protein that transports thyroxine, a hormone responsible for regulating metabolism, throughout the bloodstream.

Parathyroid Hormone

A hormone secreted by the parathyroid glands that regulates calcium levels in the blood.