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vodomira [7]
2 years ago
14

What causes cirrhosis of the liver other than alcohol?.

Biology
1 answer:
Sloan [31]2 years ago
4 0

Answer:

Chronic hepatitis B and hepatitis D

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A group of cells is assayed for DNA content immediately following mitosis and is found to have an average of 4 picograms of DNA
damaskus [11]

Answer:

b: 8;8

Explanation:

Mitotic or meiotic cell division constitute the m phase of the cell cycle. At the end of the m phase, the new cells enter the interphase stage of the cell cycle. The interphase is further sub-divided into;

  • <em>the G_0 phase,</em>
  • <em>the G_1 phase,</em>
  • <em>the S phase; and</em>
  • <em>the G_2 phase</em>.

The G_0 phase is essentially a resting phase. Cells that do not need to divide except when necessary move into this phase after exiting the m phase.

Actively dividing cells enter the G_1 phase after exiting the m phase. Cell development and growth takes place. From there, the cells enter the S phase where DNA replication/synthesis takes place. The cells then enter the G_2 phase where proteins are synthesized in preparation for division or m phase.

At the S phase, the amount of DNA a cell carries is doubled but the chromosome number remains the same. For example, if a cell enters the S phase with 2 g of DNA containing 10 chromosomes, at the end of S phase, the amount of DNA would have come 4 g while the number of chromosomes will remain 10.

Hence, if the average amount of DNA in the assayed cells immediately after mitosis is 4 picograms, the amount would be 8 picograms at the end of S phase and will still remains 8 picograms at the end of G_2 phase.

The correct option is b.

8 0
3 years ago
Similarities between plasmolysis and haemolysis
Lena [83]

Answer:

The main similarity between plasmolysis and hemolysis is that they both involve the destruction of a cell.

Explanation:

8 0
3 years ago
Why do viruses not fit easily into the broadest taxonomic category, life? (Choose all that apply)
iragen [17]

Answer:

viruses are not fit into broadest taxanomic system because:

they are not cells

they do not reproduce their own

they do not respond to stimuli.

Explanation:

viruses have capsid and are not cells. to be a cell they must have a cell membrane while viruses lack cell wall. they replicate by using the host machinary in which they are causing infection. they are acellular and obligate intracellular parasites of anials plants fungi and bacteria.

8 0
3 years ago
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What is a joint? describe the function of movable joints in the body?
alukav5142 [94]
A Joint<span> is where two adjacent bones or cartilages or combinations thereof meet. They provide the mechanism that allows the </span>body<span> to move. They are classified according to their degree of movement as </span>movable<span>, partially </span>movable<span> and immovable </span>joints<span>.</span>
7 0
3 years ago
Match the layer of the earth with its best description.
anygoal [31]

The right matches are:

1. The inner core is matched with F) the solid iron.

The inner core, or seed, is the solid part in the center of the Earth. It is a ball of 1,220 kilometers in radius located in the center of the outer core (liquid). It is composed of an alloy of iron and nickel, as well as lighter elements. The boundary between the outer core and the inner core is called Lehmann's discontinuity, or ICB (for inner core boundary).


2. The outer core is matched with G) very dense liquid of iron and sulfur

The outer core is the liquid part of the Earth's core, an intermediate layer located above the solid seed (inner core) and below the Earth's mantle. Like the seed, the core is a metal alloy, consisting mainly of iron and nickel. The liquid of the outer core is animated by rapid convective movements that induce a dynamo effect at the origin of the Earth's magnetic field.


3. The lower mantle is matched with C) layer just outside of the outer core

The lower mantle is sometimes called the "mesosphere". It extends from 700 to 2900 km deep.


The lower mantle is responsible for a particular phenomenon: hot spots. Hot spots are volcanoes that are not born at the border of two tectonic plates, unlike ordinary volcanoes, but in the middle of these plates. They occur when the god chief and deceased is irregular. The lava from these volcanoes is more gaseous and comes from the depths of the mantle (hence the lower mantle), which allows to deduce the shape of the lava at this level.


4. The upper mantle is matched with B) made of large plates that move

The top of the mantle and the crust form the lithosphere, which can reach 300 km below the continents (since the oceanic crust is much thinner). The part of the lithosphere that is not the crust (hence the top of the upper mantle) is very brittle (which allows it to move). From 200 to 700 km deep, we find the "asthenosphere", which is the plastic part of the upper mantle.


5. The crust layer is matched with D) thin, rigid surface of Earth

The earth's crust is the superficial and solid part of the material from which the Earth is made. This is the upper part of the lithosphere (which constitutes the tectonic plates).


The boundary between the Earth's crust and the upper mantle is the Mohorovicic discontinuity.


The earth's crust exists in two radically different "varieties", the continental crust, of predominantly granitoidal petrological composition, and the oceanic crust of essentially basaltic nature.


6. The lithosphere is matched with E) layer that includes the asthenosphere

The lithosphere is the rigid terrestrial envelope of the Earth's surface. It includes the earth's crust and part of the upper mantle.


It is divided into a number of tectonic plates, also called lithospheric plates.


The lithosphere, relatively rigid on time scales of the order of 1 to 10 Ma, rests on the asthenosphere, solid but ductile, more easily deformable because it consists of rocks under physico-mechanical conditions (pressure, temperature, therefore speed increased deformation), leading to a relatively low viscosity.


7. The asthenosphere is matched with A) platic portion of the upper mantle of the Earth.

The asthenosphere (from the Greek asthenos, without resistance) is the ductile part of the upper terrestrial mantle. It extends from the lithosphere to the lower mantle for 700 kilometers.


This concept emerged in the late 1960s with the plate tectonics revolution and the mesosphere concept. The asthenosphere is between the lithosphere and the mesosphere.

7 0
3 years ago
Read 2 more answers
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