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mart [117]
3 years ago
11

Explain the relationship between the E.R. and the Cell Membrane

Biology
1 answer:
lesya [120]3 years ago
7 0
Ribosomes are attached to the membrane of the ER, making it “rough.” The RER is also attached to the nuclear envelope that surrounds the nucleus. This direct connection between the perinuclear space and the lumen of the ER allows for the movement of molecules through both membranes.
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5 points
inna [77]

Answer:

Ethylene

Explanation:

Ethylene is a hormone required to trigger fruit ripening, and it can be blocked by using synthetic compounds, such as 1-methyl-cyclo-propene (1-MCP).

5 0
3 years ago
What is not true concerning the flow of energy through an ecosystem
Tema [17]

A lot of the energy from photosynthesis flows out as heat.

^answer

When energy is being transported or flowed through the ecosystem most of the heat is lost.

Hope this helps!

4 0
3 years ago
What is bitumen? a type of clay a handle for a knife an engraved plaque a tar-like substance?
LenKa [72]
It is a tar like substance
7 0
3 years ago
Match the givin changes in the ecosystem to their causes
poizon [28]

Answer:

The correct answers are:

1. Greenhouse gases: Earth's heat is kept from going away.

Greenhouse gases, particularly CO2 and methane, have properties that allow them to trap heat in the atmosphere. This means that the more of these gases there are in the air, it will be hotter on Earth.

2. Chemicals released into the river—unfit for human consumption.

The chemicals released into rivers pollute the water, making it unfit for human consumption. There are only a few places in the world where there is enough freshwater to go around, so the fact that so many rivers have been poisoned is very worrying.

3. Excessive agricultural land use—forest fragmentation.

People cut down the trees so that there is more land that can be used for farming, As a result of this process, forests are being destroyed to the point of total devastation, and it is likely that this percentage will rise in the coming years as things continue.

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<em>I hope this helps you</em>

<em>:)</em>

4 0
2 years ago
Which statement about positive feedback regulation is accurate?
GenaCL600 [577]

Answer:

Answer is B. Positive feedback regulation can generate an abrupt, all-or-none response in which the cell moves from ignoring a signal to responding to it very strongly.

Explanation:

Positive feedback can be described as an example of feedback, which is a natural mechanism that amplifies the action of a system.

It can be better be explained further, as a situation whereby the blood pressure decreases and the response of the body also makes or causes the blood pressure to decrease the more.

Other examples of a positive feedback also include blood clotting, ripening of fruits , uterus muscle contraction, resulting to the stretching of the uterus during pregnancy.

6 0
3 years ago
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