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Cloud [144]
4 years ago
6

the cell membrane of a red blood cell will allow water , carbon dioxide, oxygen and glucose to pass through. Because other subst

ances are blocked from entering, this membrane is called ______

Biology
1 answer:
frosja888 [35]4 years ago
3 0
Amino acids, sugars, and ions move<span> across </span><span>the cell membrane</span>
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The cell spends 90 percent of its time performing "everyday" functions, growing and preparing to divide during
Mrrafil [7]

Answer:

interphase

Explanation:

Interphase is the most important phase of cell life cycle where it spends 90 percent its time in regulating the metabolic activities of the cell. In this phase cell undergoes several metabolic activities to maintain the growth of the cell.

There are three phases in interphase G1, S and G2. During this phase cell undergoes several changes that include  cell grows, DNA replicates and prepare itself for mitosis.

Hence, the answer is "interphase".

8 0
3 years ago
Which of the following shows the levels of organization in a multi-cellular organism from the smallest level to the largest?
Inga [223]
The first one - (A)
3 0
3 years ago
The German physician Rudolf Virchow used a microscope
MA_775_DIABLO [31]

Answer:

D

Explanation:

Virchow's work is based off of that living things cannot exist without there being previous living things. Therefore, it has to be D because all new cells must come from currently living cells

8 0
3 years ago
What are some benefits of farming for the society/environment?
denpristay [2]

Answer:

Pasture and cropland occupy around 50 percent of the Earth's habitable land and provide habitat and food for a multitude of species. When agricultural operations are sustainably managed, they can preserve and restore critical habitats, help protect watersheds, and improve soil health and water quality. in addition to preserving the earth's natural resources, sustainable agriculture benefits the environment through helping maintain soil quality, reducing erosion, and preserving water. Plants and trees in agricultural systems help to retain and add water to underground aquifers. ... Together, they act as an important buffer in the landscape, preventing flooding, reducing water pollution from agricultural runoff and preventing erosion, while providing us with nutritious food at the same time. Farming creates opportunities to lift people out of poverty in developing nations. Over 60 percent of the world's working poor works in agriculture. Farming creates more jobs, beginning with farmers, and continuing with farm equipment makers, food processing plants, transportation, infrastructure and manufacturing.

3 0
2 years ago
Read 2 more answers
Upon examining a sample consisting of 100 cells, you find the following distribution of cell phases. If you know that the cell c
Firdavs [7]

Answer:

the time that cell spend in prophase is 30 minutes

Explanation:

The computation is shown below:

= Number of cell ÷ sample

= 25 ÷ 100

= 1 ÷ 4

Now it takes two hours

So,

= 1 ÷ 4 × 2 hours

= 0.5

This 0.5 represent the 30 minutes

Hence, the time that cell spend in prophase is 30 minutes

6 0
3 years ago
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