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exis [7]
3 years ago
12

What is a cell culture and how can it be useful to biologists?

Biology
1 answer:
Karolina [17]3 years ago
5 0
Cell culture useful biohisby and tissue culture testing
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Complete the sentences by matching the names of trees to the appropriate blanks.
raketka [301]

Answer: A: Pine, Cedar and Mango.

B: Pine and Cedar

C: Mango, Cedar and Elm

D: Pine and Cedar

Explanation: Evergreens plants always have there leaves on regardless of the season, because their roots go very deep into the soil getting water and nutrients far below the levels other tap roots can go, they are mainly found in the rain forest region that have abundance of water. Example, Mango

Deciduous trees are usually found at desert places that dont always have water, so they lose their leaves during etreme weather to reduce the rate of evaporation of water on its surface. Example, Maple.

Hardwood: These are flowering plants. they usually have broad leaves and nuts. example, Mahogany.

Conifers: These are cone bearing seed plants. they are perennial and woody plants. Example Pine.

5 0
3 years ago
which type of cell division (mitosis v meiosis) increases the likelihood of variation with a species? explain how it happens?
kipiarov [429]
Meiosis Bc it is genetic variation and ends with 4 cells with a completely different genetic make up whole mitosis is the cell division of identical cells. It ends with two daughter cells.
5 0
3 years ago
The image shows a magnified view of a leaf's surface with the stomata visible. What’s the significance of these structures in th
laiz [17]

Answer:

The correct answer is option C. They absorb water vapor from the atmosphere, providing water to the plant for photosynthesis.

Explanation:

Stomata are small opening present on the lower side of leaf. Its main function is to exchange of gases that are required for the process of photosynthesis. During day time, stomata are open and carbondioxode which is a raw material used for the production of glucose is absorbed from air and oxygen is released in the atmosphere.

5 0
3 years ago
Read 2 more answers
Help with both of these please!!! 15 points
seraphim [82]
Shaba snakeskins sjzjz
3 0
3 years ago
A protein channel in a hydrogen ion pump is shown below. What would happen if the concentration of H+ ions were higher inside th
inessss [21]

Answer:

The H+ ions moves outside.

Explanation:

The H+ ions moves outside the mitochondria of the cell if the concentration of H ions were higher inside the mitochondrion than outside environment of the mitochondrion in order to equalize the pH or H+ ions concentration of both inner side of mitochondria and outer side environment. This movement of H+ ions from a region of higher concentration to the region of lower through a semi-permeable membrane is known as osmosis which has a positive effect on the cell as well as organelles of the cell.

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3 years ago
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