Neurotransmitters are chemical messengers that travel across the

1 answer:

4 0

Chemical messengers that cross the synaptic gaps between neurons. When released by the sending neurons, neurotransmitters travel across the synapse and bind to the receptor sites on the receiving neuron

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After chromosomes are formed, during which phase of mitosis do the chromosomes attach to the spindle fibers by their centromeres

lorasvet [3.4K]

4.Metaphase
All of the chromosomes are aligned midway between the spindle poles. A spindle is a dynamic network of microtubules that attaches to and moves chromosomes during nuclear division. Microtubules attach each chromatid to one of the spindle poles, and its sister to the opposite pole.

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All organisms must perform life-sustaining metabolic processes in order to survive.

Alik [6]

Explanation:

Unicellular organisms or single celled organisms that are made up only of one cell. Hence the name.
Unicellular organisms are further divided into Prokaryotic and Eukaryotic organisms
Examples of prokaryotic organisms are bacteria and Eukaryotic are protozoa and unicellular algae, however many eukaryotes are multi cellular as well.
These organisms have to carry out life sustaining metabolic processes for their survival.
These processes are metabolism, homeostasis and reproduction. Metabolism is important as it involves conversion of food into energy for cellular processes. Homeostasis for maintaining a constant internal physical and chemical conditions and reproduction is by cell division.
Multi cellular organisms as the name says unlike unicellular organisms consists of more than one cells.
Examples of multi cellular organisms are animals, land plants etc.,
Metabolic process in multi cellular organisms is a broad category of processes happening for these organisms which involves chemical reactions and pathways that happen at organismal state, transporting substances between the cells.

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Which type of traits are found on chromosomes that are unique to one sex, either male or female?

sp2606 [1]

The answer is Sex-Linked Traits

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Why does a plant wilt if it is not watered?

ExtremeBDS [4]

Answer:

When plants are not watered properly they wilt. This is because of something called turgor, which is water pressure inside the cells that make up the plant's skeleton.

Hope this helps!

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I believe the answer is A the definition of a non renewable resource is “A non-renewable resource is a resource that does not renew itself at a sufficient rate” A is the only option to fit the definition

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