Find the Foci of the Ellipse $$9 x ^ { 2 } + 25 y ^ { 2 } = 225$$

question 328

Multiple Choice

Find the foci of the ellipse.
- $$9 x ^ { 2 } + 25 y ^ { 2 } = 225$$

• A) \(( 0 , \pm 4 )\)
• B) \(( \pm 5,0 )\)
• C) \(( \pm 9,0 )\)
• D) \(( \pm 4,0 )\)

Grasp the principles of complementary base pairing in DNA and RNA synthesis.

Comprehend the historical context and refutations of spontaneous generation, including contributions from key figures like Redi and Pasteur.

Understand the structural stability of DNA and the significance of hydrogen bonding between specific base pairs.

Recognize the biological roles and importance of ATP in cellular processes.

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Definitions:

Endoderm

The deepest layer of cells or tissues in an embryo during initial development stages, which eventually forms the lining of both the digestive and respiratory tracts.

Facial Bones

The bones that structure the human face, including the mandible, maxilla, nasal, zygomatic, and others.

Mesoderm

The middle layer of an embryo from which muscles, bones, and circulatory systems develop.

Apical Ectodermal Ridges

Raised areas of ectodermal cells at the tips of developing limbs in embryos, crucial for the regulation of limb formation.