Examlex
Which organelle does not contain DNA?
Mammals
Warm-blooded vertebrate animals characterized by the presence of mammary glands, which females use to feed their young.
Chronic Sleep Deprivation
A condition characterized by consistently not achieving enough sleep, leading to significant negative health and cognitive effects.
Stress Hormone
Biochemical substances, such as cortisol, released into the body in response to stress, affecting various bodily functions.
Cortisol
A steroid hormone produced by the adrenal glands, often released in response to stress and low blood-glucose concentration; it plays a key role in the body's stress response.
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