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saw5 [17]
3 years ago
5

Extracts of the rosy periwinkle, catharus roseus, have provided medicine with vincristine and vinblastine, drugs now available f

or treating cancer. the ability to find this species of plant and discover these drugs is a strong argument for
Biology
1 answer:
viva [34]3 years ago
5 0
The answer is preserving biodiversity. It can be well-defined as the biological changeability among all living plants and animals of the earth as an outcome of the evolution procedures and contains of three levels of biological diversity which are genetic diversity, species diversity and ecosystem diversity.
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All the things that we can sense (sights, sounds, smells, temperature, taste, and pressure) have their origins in the ________ n
Eva8 [605]
All the things that we can sense have their origins in the PERIPHERAL NERVOUS SYSTEM.
The peripheral nervous system is made up of all the nerves that are located outside the spinal cord. These nerves transport information to and from the central nervous system. The sensory cells are involved in carrying information from the peripheral nervous system to the central nervous system. The sensory cells include the cells that are responsible for sight, sound, smell, taste and pressure.<span />
5 0
3 years ago
Which process most likely enabled the formation of the early protists?
sergejj [24]

Answer:

endosymbiosis.

Explanation:

By the beginning of the 20th century, researchers thought that plastids and mitochondria could come from bacteria. These would have been ingested by primitive cells and live within them in symbiosis.

5 0
3 years ago
All of these examples show evidence for evolution because they show<br> and
Natali5045456 [20]

Answer:

All of these examples show evidence for evolution because they show change over time and descent from a common ancestor

3 0
2 years ago
Read 2 more answers
A neuromuscular junction is a junction between a_________ and a ___________. A neuromuscular junction is a junction between a___
garri49 [273]

Answer:

myofibril bulbous end of axon and skeletal muscles fibres.

Explanation:o

It represents the  chemical synapse  of the axon bulbous ends  of the motor neuron ( motor end plate) and the skeletal Muscle fibres.

The influx of calcium ions into the bulbous ends leads to the fusion  and empty of the vesicles containing neurotransmitters into the synaptic cleft.

The Neurotransmitters binds to the receptors on the muscles membrane to allow the transmission of action potential ( PSIP or  PSEP)across the synaptic gap  to the muscles fibers  to initiate  their  contraction or relaxation.

5 0
3 years ago
Which type of microscope produced the image of cilia?
Sholpan [36]

Answer:Scanning electron microscopy

Explanation: Scanning electron microscopy (SEM) image of oviduct cilia. The central cell shows a primary cilium. Surrounding cells are multiciliated with motile cilia

Hope that helps!

6 0
2 years ago
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