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Black_prince [1.1K]
2 years ago
13

Good short ANOLOGIES cell membrane

Biology
1 answer:
il63 [147K]2 years ago
6 0
Thin, flexible barrier around a cell; regulates what enters and leaves the cell
- contains the cytoplasm (all interior cell organelles and the cytosol) - allowing the chemical reactions in the cell to occur
<span>- semipermeable (or selectively permeable) - allows certain substances in, keeps others out </span>
<span>- offers limited protection</span>
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Some plants increase in height due to changes in specialized regions of cells in the tips of their branches. The processes that
Nookie1986 [14]

Answer:

mitosis, cell growth, and differentiation

Explanation:

There are several ways through which plants grow which may include the process of mitosis mainly that involves cell division. The increase in height in plants is attributed to not only cell division but also growth of the newly formed cell.

Mitosis involved division of cell and in cell growth, cells increase their size that ultimately cause growth of plant height. The highly active growth cells are meristem cells that are found at tips of the plants. They are actively dividing zones of plants and with their division and growth plant increases their heights.

Another mechanism, responsible for increase in height is cell differentiation. Differentiation is the process during which cells are specialized to perform specialized function. For example: Xylem are specialized for transport of water. Phloem are specialized for the transport of food. Similarly, some cells are specialized for growth and they are aimed at increasing in size and division that ultimately increase the plant height.

So, mitosis, cell growth, and differentiation are the mechanisms, that increase plant height due to changes in specialized regions of cells in the tips of their branches.

Hope it helps!

7 0
3 years ago
Describe how the structure of fats and oils differ from the structure of carbohydrates?
Neko [114]
Simple carbohydrates (sugar, glucose, fructose etc) are the main source of immediate energy.<span>However, lipids are good for storage. carbohydrates give energy and lipids store it 

</span><span> <span>

</span></span>
8 0
3 years ago
The most common form of hemophilia is a defect in blood clotting factor VIII, which is caused by a mutant form of a gene on the
Elden [556K]

Answer:

The correct answer is - B. Non-disjunction during sperm formation resulted in her receiving no sex chromosome from her father and an X chromosome from her mother; she is XO.

Explanation:

In this case, the mother was a carrier of hemophilia and she transfers that mutant allele to her daughter and as the daughter did not get any sex chromosome from her father.

Therefore, mutant X expresses itself and she is hemophilic. This X did not express in case, of her mother due to fact that it is a recessive allele and only expresses when both genes is the same state.

8 0
2 years ago
...... ........ ....... .......<br>?
andrey2020 [161]

Answer:

It’s dots

Explanation:

6 0
3 years ago
Which of the following statements about grey matter is true?
Vinvika [58]
The possible answers are : 
A. it makes up the outer layer of the brain 
B. it's composed of an axon. 
C. it transmits nerve signals from one area of the CNS to another. 
<span>D. it's composed of dendrites

The correct answers are A and D

The gray matter of the brain is made out of nerve cell bodies, dendrites, and unmyelinated axons. The outer layer of the brain's cortex is made out of the gray matter and the inner layers are made out of white matter.
The white matter is made out of </span>myelinated axons that transmit nerve signals throughout the nervous system. The white matter is white because the myelin that surrounds the axons is white.


8 0
3 years ago
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