If all eukaryotes suddenly died off, the Earth's carbon cycle would immediately collapse and cease to exist

A. true
B. false


B

Biology & Microbiology

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Production of sperm in males by the process of meiosis and maturation.

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A polypeptide is ________.

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In the disease myasthenia gravis, there is a deficiency of acetylcholine receptors at the neuromuscular junction. This blocks contraction by preventing muscle activation at which point?

A. generation of action potentials in the motor neuron B. opening of the T-tubule system C. release of Ca2+ from the sarcoplasmic reticulum D. altering the interaction of troponin with tropomyosin E. generation of action potentials in the muscle fiber

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What is the source of the envelope in enveloped-viruses?

What will be an ideal response?

Biology & Microbiology