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Kryger [21]
2 years ago
14

Oswald Avery helped build our understanding of genetics by showing that:

Biology
1 answer:
ivanzaharov [21]2 years ago
3 0
B is the correct answer
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“If cells reproduce by copying themselves, how do we get all of the different cell types in the body?
Dennis_Churaev [7]

Answer:

The cells inside our bodies are “specialized.” This means that each type of cell performs a unique and special function. For this reason, each of the 200 different types of cells in the body has a different structure, size, shape, and function, and contains different organelles.

We are multicellular organisms, different types of cells are required to do different function.

Explanation:

Actually cells in our body won't reproduce, LOL.

It get divided ( see the attached image )

8 0
2 years ago
Read 2 more answers
How could we make a model of the Milky Way galaxy that shows Earth's location?
iren2701 [21]

Answer:

example

Explanation:

take 1/8 in wire make 8 rings and connect them

print a picture of the milky way and tape it on the wire

then create small planets paint and label

hang from ceiling by clear fishing wire

6 0
2 years ago
______ is the process by which nerve cells are coated with far cells that enhances the speed and efficiency of the information t
givi [52]

Answer:

Myelination

Explanation:

The covering of myelin around the axons is called the myelin sheath. This myelin sheath helps in transfer of information faster and also in complex  processes of the brain. The process of myelination begins in the PNS (peripheral nervous system).

The myelinated section are seperated from each other with a gap called nodes of ranvier. Glial cells (oligodendrocytes) forms the myelin sheath in the central nervous system and schwann cells (glial cells) forms the myelin sheath in peripheral nervous system. The propagation of electrical impulse in the myelinated fibers is by saltatory conduction that is from one node to another.

5 0
3 years ago
Read 2 more answers
Contracts Slowly Striated Voluntary
hoa [83]

Answer:

student 1

Explanation:

The smooth muscles contract and fatigue slowly but are not striated and are innervated by involuntary nervous system. The cardiac muscles are uninucleate and striated. The skeletal muscles are innervated by the voluntary nervous system hence concerned with voluntary movement.

4 0
2 years ago
From which of the following does the right atrium receive blood?
olga2289 [7]

The right atrium receives blood returning from others parts of the body through the superior vena cava and the inferior vena cava.  

Explanation:

The pathway of circulation begins in the right atrium which receives the carbon dioxide-rich deoxygenated blood returning through the systemic circulation.  

The deoxygenated blood from regions superior to the heart, i.e., the head, neck, shoulder areas are collected through the superior vena cava and that from the parts inferior or lower to the heart like visceral organs, extremities, trunk, hip etc are brought through the inferior vena cava.

Both these venous systems (superior and inferior) fill the right atrium.

The right atrium then pumps the deoxygenated blood to the right ventricle via the tricuspid valve.

The right atrium is filled with blood during diastole.

3 0
3 years ago
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