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olga55 [171]
3 years ago
14

Where do the semen cells come from

Biology
1 answer:
Aliun [14]3 years ago
4 0
Umm is this school related but anyways it comes from the prostate and produses something caleed alkaline
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Describe what is happening in each stage and what each stage looks like: Prophase Prometaphase Metaphase Anaphase Telophase Cyto
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Prophase is the first phase is when the two sister chromatids pair up and the nucleoli disappears. Prometaphase is the second phase where the microtubules begin to separate from each other, each pair of microtubules attach to the kinetochores and some nonkinetohore microtubules interact with those from the opposite pole of the spindle. Metaphase is the third phase where the chromosomes are lined up on the invisible line of the metaphase plate. Anaphase is the fourth phase where the two daughter chromosomes begin to separate from each other to opposite poles. Telophase is the last phase where the two daughter nuclei form creating two identical nuclei.
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3 years ago
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What substances can get through the membrane? What type of transport is this?
Serga [27]

Answer:Small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly. Small polar molecules, such as water and ethanol, can also pass through membranes, but they do so more slowly.Semipermeable membranes, also termed selectively permeable membranes or partially permeable membranes, allow certain molecules or ions to pass through by diffusion.

Explanation: hope that helps

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Describe The Phenomenon ​
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an observable fact or event. 2 plural phenomena. a : an object or aspect known through the senses rather than by thought or intuition. b : a temporal or spatiotemporal object of sensory experience as distinguished from a noumenon.

Explanation:

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The mass number of an atom is the same as?
Darina [25.2K]

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