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Blababa [14]
3 years ago
11

True or False? An immature B cell that readily binds to a bone marrow stromal cell will likely exit the bone marrow and migrate

to a secondary lymphoid organ for further maturation.
Biology
1 answer:
dmitriy555 [2]3 years ago
6 0

Answer:

TRUE

Stromal cells provide a microenvironment conducive to the growth of immature B cells. Immature B cells which readily bind to them will most likely continue to mature and exit the bone marrow into a secondary lymphoid organ where they will complete development.

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A 0.1-kg block of aluminum was heated to a temperature of 80°C. It was then placed into 0.5 kg of water with an initial temperat
Irina18 [472]

Answer:

The aluminum block will transfer heat to the water quickly, by conduction.

Explanation:

Aluminum is an excellent temperature conductor, which means that it can absorb heat very quickly, as well as transfer heat just as quickly. In this case, when the aluminum block is heated to 80ºC, the molecules in that block move quickly and start to collide with each other, releasing heat to the surrounding environment. When this aluminum bar comes in contact with water that has a temperature of 20ºC, the moving molecules of the aluminum bar release heat to the water that heats up, while the aluminum bar loses heat, decreasing its temperature. This temperature transmission will take place until the water and the aluminum bar have the same temperature

4 0
3 years ago
5. For a plant, sunlight is an example of
Lostsunrise [7]

photosynthesis

hope that helped XD

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8 0
4 years ago
Read 2 more answers
I need help!!! Calculating pH, pOH, [H+] and [OH-]
castortr0y [4]

Explanation:

Hi there!

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The process of converting pOH into [OH-] is: pOH= -log[OH-]

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6 0
3 years ago
Imagine there is a drought. You are a scientist and you need to find a way to get more water into the atmosphere. What would you
mariarad [96]

not gonna lie, this is more of an answer you'd have to answer yourself. It seems like an easy question just think about it. If you're a scientist in a drought, think about places where youd be able to get water. Some plants produce water as well. Soil holds water, Even under normal climatic conditions, about 90 per cent of the precipitation is said to be released back into the atmosphere.

4 0
3 years ago
Cell Length of one side Area of one side of the cube (l × w) Surface area (area of one side × 6 sides) Volume (l × w × h) Surfac
s2008m [1.1K]

The complete question is as follows:

1. What does a surface area/volume ratio of 6:1 mean for the cell’s ability to get the materials it needs that move across its surface?

2. What does a surface area/volume ratio of 3:1 mean for a cell’s ability to get materials across its membrane, compared to the cell with a ratio of 6:1?

Answer:

1 . Surface area to volume ratio =  3 : 1

surface area=   3 cm³ or (l = 1 cm) (1 cm x 1 cm x  3) (W = 3)

volume=  1 cm³  (1cm x 1cm x 1cm)

2. Surface area to volume ratio =  6 : 1

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volume=  1 cm³

Diffusion increases with the increase in surface area to volume ratio through the semi-permeable membrane of the cell membrane that allows substances to move into the cytoplasm

5 0
3 years ago
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