The germinal period ends approximately two weeks after conception. <span> This </span>stage<span> occurs during the first 2 weeks of development (or the 2nd - 4th weeks of pregnancy). The union of the sperm and egg cell forms a single cell called a zygote. </span>
<span>Active transport involves the mitochondria. </span>
They absorb photons from sunlight
The protein could become denature at extreme temperatures. When this happens its functionality could be incredibly reduced
Answer:
Hint**
Endocrine glands are the major glands of the endocrine system are the hypothalamus, pituitary, thyroid, parathyroids, adrenals, pineal body, and the reproductive organs( testes)
