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german
2 years ago
11

• On which power should one first view a specimen

Biology
1 answer:
Step2247 [10]2 years ago
7 0

Answer:

The lens with 4x magnification or the lowest power objective

Explanation:

When you use the low power objective, you have a wider field of view. This would make locating the specimen a lot easier than it would be if you used one with a higher magnification. Once you focus the microscope using the low power objective, you can switch to the higher magnification lenses.

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Which is considered a chemical mutagen
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Examples of chemical mutagens would be nicotine and other compounds in cigarette smoke that cause mutations involved in lung cancer.
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2 years ago
Choose the best explanation of the difference between evolution and natural selection.
eduard

Answer:

The Answer is A.

Explanation:

This is correct because evolution is a change in the inherited traits of a population over many generations. While natural selection is a mechanism where the members of a population best suited to their environment have the best chance of surviving to pass on their genes.

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2 years ago
Whats the oceans climate
igor_vitrenko [27]
An oceanic climate<span> (also known as marine, west coast and maritime) is the </span>climate<span> typical of west coasts in higher middle latitudes of continents, and generally features cool summers and cool (but not cold) winters, with a relatively narrow annual </span>temperature<span> range and few extremes of </span>temperature<span>.

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3 years ago
The cell bodies of sensory neurons that are in clusters of neurons outside the spinal cord are called ____.
Nonamiya [84]

Answer:

The cell bodies of sensory neurons that are in clusters of neurons outside the spinal cord are called  ____

The answer is "dorsal root ganglia"

Explanation:

Explanations of some terms

Sensory neurons:

Sensory neurons, also known as afferent neurons, have cell bodies that are located in the dorsal ganglia (also known as  spinal ganglia) of the spinal cord. Most sensory neurons have one axon which is split into two branches, they transmit impulses toward the spinal cord.

Spinal cord:

The spinal cord is a tubular structure composed of nervous tissue housed within the vertebral column, runs from the base of the brain to the lower spine. Spinal cord is a component of the Central Nervous System that serves as information highway the between brain and the body which Integrates and processes information. It can function with the brain and can also function independently of the brain.

Dorsal root ganglia:

Dorsal root ganglia also known as dorsal ganglia originated as bipolar cells. They exists within the peripheral nervous system and they have special nerve cell clusters that aid in transmitting the sensory messages of pain and touch. The dorsal root ganglia receive information from sensory receptor organs and transmitting the information to the central nervous system.

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A drug decreases heart rate by blocking a receptor on cardiac muscle cells. this drug probably binds to:
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